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Allen Bradley - PLC

PLC 5

The wide variety of controllers in the PLC-5 product lineup allows you to select the unit that works best with your application’s requirements. Controllers are available with user memory capacity ranging from 8K words up to 100K words. If you require a compact system, you can use the controller that best matches your requirements and is able to operate while only drawing minimal power from your system. The controllers are further offered with a variety of communication ports that you can select from depending if your system uses the Data Highway Plus or Ethernet network. The 1785-ENET module can be used to provide Ethernet capability to PLC-5 controllers that do not have it built in. The 1785-BCM module provides redundancy for any Programmable Controller module operating a critical function in your system. If your system requires high-speed I/O updates, the controllers support establishing an Extended-local I/O link that uses the 1771-ALX adapter module to provide fast scan and update times compared to remote I/O links. The PLC-5 series includes high-resolution isolated analog input and output modules in the N-series of PLC-5 controllers. You can use these modules to monitor your system’s parameters and have current, voltage, and temperature information available in a digital format that can be monitored on a computer or used as digital outputs for system control. Specialized modules are also available, including high-speed counter modules designed for industrial use, Thermocouple and RTD modules, and linear positioning modules for use in servo motor and hydraulic control systems. The power supply modules can be connected directly to the chassis and also support cable connections for applications with limited space. If your system involves multiple controllers and has a high current requirement, battery modules with parallel capability are also offered as part of this product line. Power supplies are available with AC and DC variants and include built-in fuses to protect your system from damage. The product lineup also includes adapters and PIC cards for connecting computers to PLC controllers with DH+ and DeviceNet networks. 1771 chassis are available in a range of sizes, allowing them to house as many modules as you require while still maintaining a small footprint. Chassis are also available with integrated power supplies and adapters for an even more compact package. If your system requires high-speed I/O updates, the controllers support establishing an Extended-local I/O link that uses the 1771-ALX adapter module to provide fast scan and update times compared to remote I/O links. The PLC-5 series includes high-resolution isolated analog input and output modules in the N-series of PLC-5 controllers. You can use these modules to monitor your system’s parameters and have current, voltage, and temperature information available in a digital format that can be monitored on a computer or used as digital outputs for system control. Specialized modules are also available, including high-speed counter modules designed for industrial use, Thermocouple and RTD modules, and linear positioning modules for use in servo motor and hydraulic control systems. The power supply modules can be connected directly to the chassis and also support cable connections for applications with limited space. If your system involves multiple controllers and has a high current requirement, battery modules with parallel capability are also offered as part of this product line. Power supplies are available with AC and DC variants and include built-in fuses to protect your system from damage. The product lineup also includes adapters and PIC cards for connecting computers to PLC-controllers with DH+ and DeviceNet networks.

PLC 5 Selection Guide

Industrialization brought about an increase in productivity and efficiency. Accordingly, many different types of programmable logic controllers (PLCs) were developed to suit every possible need. Each has its pros and cons; one well-known model from Allen Bradley is the PLC-5. The PLC-5 features are highlighted below.

PLC 5 Overview

A PLC-5 control system requires a minimum of one I/O module and Controller. The Controller requires specific communication ports. All controllers (regardless of model) come with interfaces for the included external remote I/O scanners. This makes it possible to monitor and control outlying locations without physically going there. 

Some models also come equipped with embedded internal remote I/O scanner connections. In contrast, others feature connection points through ControlNet or DeviceNet systems—giving one up to four options per type of connection when configuring one's personalized PLC-5 configuration. One needs either a 1771-SDN DeviceNet Scanner Module or 1771-ACN15 I/O Adapter Module installed on each side (remotely or locally). With either the SDN or ACN system, one can monitor and access up to sixteen separate devices simultaneously.

The PLC-5 Programmable Controller serves as the center for all Control Architectures. This powerful machine can connect systems to networks such as ControlNet, EtherNet/IP, or DeviceNet. These controllers have different inputs so that they can utilize whichever network they need for a specific application.

Features of a PLC 5 Controller

High-speed, single-slot PLC-5 controllers come equipped with many ways of processing and carrying out information. If one is looking for a controller that can handle large sequential or regulatory control apps along with unique I/O demands - the Standard PLC-5 controller can be a good option. However, if one wants to communicate using the same essential tools with other devices or interfaces, then use an Enhanced PLC-5 controller. No matter which one is chosen by the user, they all share the same impressive list of capabilities, making them all perfect!

Various PLC 5 Controllers

Enhanced PLC 5 Controllers

All Enhanced PLC-5 Controllers feature Data Highway Plus or Remote I/O ports, enabling them to communicate one-on-one with other devices. Real-time data exchange is possible, allowing operators to monitor and control all process aspects.

EtherNet PLC 5 Controllers

These controllers have been seamlessly integrated into an industry-standard EtherNet/IP system via the Ethernet PLC-5 controller, providing a versatile and open solution for every business. One can quickly do anything from production management to executive summaries of process information due to the Ethernet PLC-5 controllers' internet-friendly capabilities. These capabilities ensure that every corner of one's company is aware of what is always happening. With access to detailed diagnostics made possible by the Web server, there is no longer any need for speculation. This is supported by SNMP and DNS as well.

ControlNet PLC 5 Controllers

These controllers offer full ControlNet capabilities to control and manage automation devices. With a 5Mbps network connection, ControlNet provides reliable and consistent peer-to-peer communication and I/O access. One ControlNet Network can include many Controller units - each managing its hardware - which interact with one another for shared tasks. For example, one I/O node could provide input to multiple controllers simultaneously.

Protected PLC 5 Controllers

These controllers allow for selective guarding of controller memory and input, limiting access to critical points in programming codes and a program's accessibility. This type of protection is identifiable by its distinctive safety-yellow labeling. Use either System Administrator Rights or the appropriate Role (e.g., Plant Engineer) assigned through Programming Tools to control which users have access to which sets of areas on the system (including Communication Channels and Nodes connected via DH+, ControlNet Networks, Program Files, and Data Files, Remote Nodes). The Password Protection of other PLC-5 Controllers does not provide as high a level of security as the Protected variant; however, Extra Software explicitly designed for Clutch/Brake Applications is included with this Model from Rockwell Automation.

I/O Modules

Allen Bradley/Rockwell Automation has supplied over three million of its I/O modules to customers worldwide. There are many types of I/O module options, including block-based, modular-distributed, and chassis-based to select from. Selecting an appropriate module type might be difficult initially, but one can find guidance in the Allen Bradley I/O Module Brochure.

1771 I/O Modules

Digital, analog, and customized configurations are just a few options for the 1771 IO modules. With the help of these modules, sensors or actuators may be connected to power sources that use alternating current (AC) and direct current (DC). Up to 32 IO points per module are the maximum I/O density that users can choose. This covers all signals, from analog or output signals to direct thermocouple or RTD temperature input signals. PLC-5 controllers are compatible with the 1771 IO across local I/O, remote I/O, extended-local I/O, and ControlNet networks, so individuals may use them on whatever system they wish.

1746 I/O Modules

The 1746 I/O modules (SLC 500 I/O) provide a cost-effective remote I/O option. It is recommended to use an SLC 500 remote I/O module (1747-ASB) or ControlNet adapter module to link 1746 I/O modules directly to the PLC-5 system (1747-ACN15 or -ACNR15). Features of 1746 I/O modules include:

  • High-density point modules
  • 16-point modules
  • Removable terminal blocks

The industrial design includes Optical Isolation and Input Filtering. PLC-5 controllers support ControlNet and 1746 I/O via Remote IO.

Additional I/O Modules: Encompass Partners Program

Rockwell Automation's third-party product is referencing the program Encompass Partners. It has been created to improve the benefits of its products while also focusing on high-level technologies through new application development opportunities. These third parties can bring out features and functions not included in Rockwell Automation Products.

Network Communications

Network capability allows for quick and efficient data transmission to all devices. This includes Ethernet, control net, and device net connections - each used depending on the requirements needed.

  1. Ethernet/IP functions as a network connection if the system demands high-speed information transmission among multiple computers, an intranet connection, and program maintenance.
  2. Control Net connects to other controllers and I/O devices fast enough to handle high-speed transfers without latency or delay - whether one wants it for deterministic reliability or ease of use in maintaining programs over long distances.
  3. The DeviceNet network can be used if the system requires connections of low-level physical plant controllers instead of using other hardware bridges such as I/O modules. Additionally, the DeviceNet network is feasible when the application requires fault detection, improved data collection, reduced wiring, and less start-up time.
  4. If the system requires plant-wide and cell-level data interchange with program maintenance, use Data Highway Plus as the network connection.
  5. If the system needs connections between controllers and I/O adapters, Remote I/O as network communication is employed. A Remote I/O network connection can be used if the application requires distributed controllers, each of which has its own I/O and interacts with a supervisory controller.
  6. Use a Serial Network as a network connection if the system needs to send or receive messages with ASCII characters. When an application requires modems and SCADA, a serial network is employed as a method of network communication.

PLC 5 Ethernet Interface Module

To provide further Ethernet connection, any Enhanced PLC-5 series B or later Controller, Ethernet PLC-5 controller, or ControlNet PLC-5 controller can be fitted with the PLC-5 Ethernet Interface Module (1785-ENET), which is a single-slot module. Businesses can utilize standard Ethernet or Internet access to manage and monitor production using the Ethernet interface module's integrated communication features. Users seeking executive summaries of process information have quick access using a web browser.

ControlNet Network

ControlNet PLC-5 controllers have integrated ControlNet connection capabilities for processing information and controls. On a 5 Mbps network, the ControlNet network offers repeatable and deterministic peer-to-peer communications and I/O control. This makes it possible to have many ControlNet PLC-5 controllers on the same System Network, each of which can manage its own I/O. Even if configuration settings in the program did not previously state it, if one Controller is getting input data from an Input Device or Object Node, it would also be able to convey that data to another controller that requires this sort of data received.

DeviceNet Network

The 1771-SDN DeviceNet Scanner Module acts as an interface between DeviceNet devices and a PLC-5 Controller, allowing it to communicate with DeviceNet devices over the network to:

  • Read and write input/outputs
  • Download Configuration Data
  • Monitor the Operational Status

A single slot module can reside in either a 1771 I/O Chassis containing a PLC-5 controller, or one remotely connected via an extended local I/O link, remote I/O link, or Control Networked to said controller. The number of DeviceNet scanners is limited by the chassis size, available memory, and power supply capacity when residing in the same I/O chassis.

Serial Network

For RS-232, RS-423, or RS-422A compliant serial connection, the PLC-5 serial port may be set up. It may be used to link devices that transmit and receive ASCII characters using an ASCII terminal or printer, and/or utilize the DF1 protocol, such as communications modules, modems, programming workstations, and other serial devices.

The serial port employs the DF1 protocol when set for System mode. System Mode can be used to connect with other devices through the Serial Link.

Programs for SCADA systems can be launched on the serial port while in System Mode. Users may now monitor and control little chores via serial link connection between the locations of the master and enslaved individual. PLC BASIC modules take up a single slot in a 1771 I/O chassis, and they run via user-written BASIC and C applications. These programs enable communication between a PLC-5 Controller, 1771 Backplane, and Remote RS-232 Devices since they are not dependent on the system's PLC-5 Controller. The 1771-KE and 1771kf communication controller modules connect intelligent RS232 devices to Data Highway. Both modules provide users with the option between the Full Duplex and Half Duplex protocols for usage on the RS-232C Link. Through a Db-485 Port, the module may connect with a Remote SLC Controller or Device on the Db-485 Network.

Data Highway Plus

The Data Highway Plus (DH+) network is a robust way of connecting all company assets, whether they are located at headquarters or on the manufacturing floor. Not only does it allow one to update the machines remotely, but it also facilitates collaboration between programmers who are working with different models and locations. One of its most outstanding features is that it supports many topologies: daisy chain and trunkline dropline are two examples.

Remote I/O

The magnificence and durability of this technology are what make it such a staple in industrial automation. It provides 1771 input/output connections and supports many Rockwell Automation or 3rd-party compatible products - including simple I/O with controllers and interfaces, even complicated setups involving different types of machinery. This tool benefits businesses tremendously because they can save installation time, startup times, and maintenance costs when they use the remote data system rather than wire directly to a central I/O unit. Pass-Through enables devices on an external network like Ethernet, ControlNet, or DH+ to remotely adjust them from one location.

Browse our selection of PLC 5 units

AutomationStop.com's online catalog offers one of the largest selections of preowned PLC 5 units in the world.

1771-DMC4

Catalog number 1771-DMC4 is a control coprocessor module. It was produced by Allen Bradley / Rockwell Automation. This module has Ethernet connectivity and a transceiver. The 1771-DMC4 has a backplane current rating of 4.0 amperes at 5 volts DC. Additionally, the fault relay rating is 500 milliamperes at 30 volts AC/DC. This product has four communications ports and an Ethernet port. The 1771-DMC4 may be installed on a 1771 I/O chassis.

1771-KA

Part number 1771-KA is a communication adapter module from the PLC 5 series of products. This device was produced by Allen Bradley. The primary purpose of this product is to interface PLC 2 programmable controllers to the Data Highway network. The power supply requirement for the 1771-KA is +5 volts DC at 1.2 amperes max.

1771-AD

Part number 1771-AD is a PLC-5 I/O chassis assembly from Allen Bradley. This product has a total of sixteen (16) slots. It can be mounted via its back-panel.

1771-OJC

Catalog number 1771-OJC is a pulse output expander module that was produced by Allen Bradley. The backplane current requirement for this unit at 5 volts DC is 800 milliamperes. An external power source is required for the 1771-OJC. This power source should have a 5 to 30-volt DC voltage range, as well as a 340-milliampere maximum current rating. The typical input signal delay for 1 axis is 250 milliseconds while being 120 milliseconds for 3 axes.

1771-OZ

The 1771-OZ is a relay contact output module. The module features a high-speed dry-reed relay that is hermetically sealed. It offers 8 outputs divided into four groups of two channels. The module has a normally open (NO) contact configuration and supports a voltage ranging from 0 to 24 Volts AC/DC. The current rating per output is limited to 100 milliamperes.

1771-HSA

Product number 1771-HSA is a servo control module. This device is a product of Allen Bradley / Rockwell Automation. The 1771-HSA has a lithium-battery memory cartridge consisting of 96 kilobytes of RAM. A power supply module with a voltage range of 120 volts AC to 220 volts AC is used to power the 1771-HSA.

1771-OFC

Catalog number 1771-OFC is an Allen Bradley analog output module. This device is a 12-bit module. The input voltage required for this unit to operate properly ranges from 92 to 138 volts AC. The rated backplane current of the 1771-OFC at 5 volts DC is 1.4 amperes. Each output point of this unit has a continuous current rating of 2 amperes. Additionally, the maximum current rating of the 1771-OFC is 6 amperes.

1771-OYC

Product number 1771-OYC is an Allen Bradley contact output module. This device is part of Allen Bradley's PLC 5 series of products. This device has twelve (12) output points. The maximum power rating is 30 volt-amperes at 138 volts AC and 20 volt-amperes at 125 volts DC.

1771-OD16

The 1771-OD16 is an isolated AC output module. It has sixteen individually isolated output channels operating at 120 volts alternating current (AC) with each output rated at a maximum of 3 watts at 2 amperes. The 1771-OD16’s backplane current requirement is 300 milliamperes maximum and the rated power dissipation limit is 13.5 watts. The current rating per channel ranges from 5 milliamperes to 2 Amperes and the module supports a 20-ampere peak surge for up to 100 milliseconds.

1771-HR

Manufactured by Allen Bradley, part number 1771-HR is a resolver excitation module. This product belongs to the PLC 5 product line. This unit consumes 0.4 watts of backplane power, and it has a maximum signal delay of 2 seconds. The 1771-HR can be installed in a 1771 chassis I/O slot. Typically, a 1771-PS7 power supply is used to power this module. This resolver excitation module has a green LED indicator that shows the status of the power.

1771-IJC

Catalog number 1771-IJC is an Allen Bradley encoder/counter module. This device supports 5-volt TTL, single-ended, single-channel devices, as well as differential incremental encoders. The 1771-IJC has two (2) slots. It also has a maximum input frequency of 50 kilohertz (kHz). Additionally, the backplane current of this module is rated at 1.2 amperes. This unit has an update period of 1.3 milliseconds.

1771-AF

The 1771-AF fiber optic converter module is part of Allen-Bradley's PLC-5 line of products. The 1771-AF is a chassis-based unit that occupies just one I/O slot on a 1771 I/O chassis. The backplane current rating of the 1771-AF is 600 milliamperes at 5 volts direct current (DC). Additionally, this unit dissipates 3.0 watts of power.

1771-HS

Part number 1771-HS is an Allen Bradley motion controller. This device is part of an IMC 120 motion control system. This motion controller consists of a 32 KB memory cartridge (1771-HM), a maximum of three servo controllers, an encoder module, and a power supply module (1771-PS7). The 1771-HS has a fuse voltage rating of 120 volts.

1771-LIA

Product number 1771-LIA is an Allen-Bradley loop controller interface module. The output voltage range of this module is 0 to 5 volts, and the output load current is a maximum of 60 milliamperes. The 1771-LIA also has a maximum surge current rating of 1.2 amperes. In addition to that, the minimum load current of this loop controller interface module is 0.72 amperes.

1771-OF05

Catalog number 1771-OF05 is a PLC-5 analog output module, and it was manufactured by Allen Bradley. The 1771-OF05 has eight (8) output channels, as well as a current range of 4 - 20 milliamperes. This device has a backplane current rated at 350 milliamperes. Additionally, the continuous current of the 1771-OF05 is 2 amperes per output.

1771-OQC

Manufactured by Allen-Bradley, part number 1771-OQC is a digital output module belonging to the PLC-5 product line. This unit has eight outputs. The voltage category of this module is 24 volts DC sinking. The isolated voltage range of the 1771-OQC is 20.4 to 26.5 volts DC. The backplane current load of this digital output module is 225 milliamperes.

1771-BH

The 1771-BH battery housing is a product of Allen Bradley. This unit is part of the 1771-BB battery pack. The 1771-BH was manufactured with metal.

1771-WE

Product number 1771-WE is a PLC-5 field wiring arm. This product was designed and produced by Allen Bradley. The 1771-WE has eighteen (18) terminals, and it supports a maximum of eight (8) I/O. This field wiring arm has gold-plated contacts. The dimensions of this product measure approximately 115 mm x 317 mm x 160 mm.

1771-ARC

Product number 1771-ARC is an Allen Bradley remote I/O adapter module. This unit is part of the PLC-5 line of products. This module provides an interface between remote I/O distribution panels and I/O modules. The 1771-ARC, at 5 volts DC, has a 900-milliampere rated backplane current. This unit can be mounted via its back panel. The dimensions of the 1771-ARC measure approximately 130 mm x 187 mm x 298 mm.

1771-DLC

Catalog number 1771-DLC is a gray encoder input module. This device was designed and produced by Allen Bradley. The purpose of the 1771-DLC is to convert gray codes into binary numbers. This product operates via a voltage ranging from 12 to 24 volts DC, as well as with a maximum output current rated at 70 amperes. The dimensions of the 1771-DLC measure 89 mm x 165 mm x 51 mm.

1771-IDC

Catalog number 1771-IDC is an isolated input module that was produced by Allen Bradley. This unit, which belongs to the PLC-5 product series, has a 120-volt AC/DC voltage rating. the 1771-IDC has 6 input channels. The rated operating voltage of this device ranges from 92 to 138 volts AC/DC. Additionally, the 1771-IDC's backplane current rating is 74 milliamperes.

1771-IF01

Product number 1771-IF01 is an analog input module. This unit belongs to Allen Bradley's PLC-5 series of products. The 1771-IF01 has a total of eight (8) input channels. This module's voltage range is 1 to 5 volts DC. Additionally, the current ranges of the 1771-IF01 include 4 to 20 milliamperes, 0 to 20 milliamperes, and -20 to 20 milliamperes. The backplane current of the 1771-IF01 is 1.3 amperes at 5 volts DC.

1771-IF04

The 1771-IF04 analog input module was produced by Allen Bradley. This device belongs to the PLC-5 series of Allen Bradley products. It has eight (8) input channels, as well as a voltage range of 0 - 10 volts DC. Additionally, the current ranges of this module include 4 - 20 mA, 0 - 20 mA, and -20 - 20 mA. The backplane current load of the 1771-IF04 at 5 volts DC is 1.3 mA.

1771-IF05

Product number 1771-IF05 is an analog input module that was designed and produced by Allen Bradley. This unit belongs to the PLC-5 line of products. The 1771-IF05 has a total of eight input channels. Additionally, it has a current range of 4 milliamperes to 20 milliamperes. This device has a 1.3-milliampere backplane current load at a voltage of 5 volts DC. The 1771-IF05 is equipped with LED indicators.

1771-IF07

Part number 1771-IF07 is an Allen Bradley analog input module. This device belongs to the PLC-5 line of products. The 1771-IF07 has a total of eight (8) input channels. Additionally, the current rating of this module ranges from -20 milliamperes to 20 milliamperes. The 1771-IF07 analog input module may be installed on a 1771 I/O chassis. This unit utilizes a 1771-WB wiring arm.

1771-IKC

Catalog number 1771-IKC is an encoder/counter module from Allen Bradley. This device has a total of two (2) slots. Additionally, the 1771-IKC supports single-ended incremental encoder inputs, as well as single-channel device inputs. The power supply rating of this device ranges from 12 to 24 volts DC. The 1771-IKC has a maximum output rating of 30 volt-amperes. This module utilizes a 1771-WB wiring arm.

1771-IQC

Part number 1771-IQC is a selectable input module. This device was produced by Allen Bradley as part of the PLC-5 series of products. The 1771-IQC has eight (8) input channels. This unit's voltage rating ranges from 5 volts DC to 30 volts DC. The maximum backplane current rating of this module is 150 milliamperes. Additionally, the isolation voltage of the 1771-IQC is 1500 volts AC RMS.

1771-IX

Catalog number 1771-IX is a thermocouple input module manufactured by Allen Bradley. This unit has six (6) input channels. The 1771-IX can be installed on an I/O chassis. It has a 750-milliampere backplane current load at 5 volts DC. The rated thermal dissipation is 14.5 BTU/hr, and the rated power dissipation is 4.25 watts.

1771-IYC

The 1771-IYC thermocouple input expander module was designed and manufactured by Allen-Bradley/Rockwell Automation. This device has eight (8) floating, differential inputs. This module's backplane current is rated at 750 milliamperes at 5 volts. The 1771-IYC has a maximum power dissipation rating of 4.25 watts, and its maximum thermal dissipation rating is 14.5 BTU/hr. This device takes up a single slot when installed in a 1771 I/O chassis.

1771-KD

Produced by Allen Bradley, catalog number 1771-KD is a PLC 2 communication interface module. This unit is used to interface DH+ modules with RS-232-C compatible devices. At 1.2 amperes, the 1771-KD has a power supply rating of 5 volts DC maximum. This device has five (5) LED indicators to help diagnose and troubleshoot any potential faults.

1771-KH

Product number 1771-KH from Allen Bradley is a modem interface module. In long-distance applications, this product is used to interface PLC-2 processors with modems. This unit is RS-232-C compatible. The communication rates of the 1771-KH include 75, 110, 300, 600, 1200, or 2400 bits per second. The backplane power supply load of this modem interface module is 1.0 ampere.

1771-LC1

Catalog number 1771-LC1 is a loop controller that was designed and produced by Allen Bradley. This controller has a microprocessor that controls applications while also providing necessary monitoring functions. This device has a voltage rating of 120 volts alternating current (AC). The 1771-LC1 also has an RS-485 interface for networking and communication purposes.

1771-LC3

The Allen-Bradley 1771-LC3 is a loop controller for PLC-5 devices. It has an input voltage rating of 120 volts alternating current (AC). The 1771-LC3 is a microprocessor-based device used in a variety of application processes. On the front of the controller is an operator interface terminal. It supports bolt screws for mounting. Additionally, this product supports L1, L2, and GND terminals. 

1771-LC5B

The 1771-LC5B is a PLC-5 loop controller module. It has a 24 VDC input voltage, as well as a 250-milliampere contact rating. This product supports a DH-485 port for communication and Binary or BDC data formats.  It is a series A module with an RTD. The 1771-LC5B has an integrated microprocessor that controls its operation. Its AC and DC signal delays are generally 45 to 50 milliseconds.

1771-LIA2

The 1771-LIA2 from Allen Bradley is a PLC-5 high-speed counter module. In a PLC-5 system, this device can run up to 61 loop controllers at the same time. It can connect devices via an industrial network using the RS-422 communication interface. It has a 4.5-watt power rating and a max output current rating of 60 milliamperes.

1771-OF04

Catalog number 1771-OF04 is an analog output module from Allen Bradley. This module has a total of four (4) outputs, each with a current rating of 10 milliamperes. This product has a rated voltage ranging from 1 to 5 volts DC. Additionally, the 1771-OF04 has a digital resolution of 12 bits binary.

1771-OY

Product number 1771-OY is a contact output module belonging to the PLC-5 series of products produced by Allen Bradley. This device has four (4) selectable contact output channels. This module operates at a voltage rated at 0 to 250 volts AC or 0 to 175 volts DC. Additionally, the backplane current rating of the 1771-OY is 550 milliamperes.

1771-PD

Catalog number 1771-PD is an Allen Bradley PID control module. The input ranges of this product include 1 to 5 volts DC and 4 to 20 milliamperes. The 1771-PD allows users to perform proportional, integral, and derivative functions. The maximum current rating of this product is 250 milliamperes, and the maximum power is 3 volt-amperes. The 1771-PD has a 1.2-ampere backplane current rating at 5 volts DC.

1771-RIO

Product number 1771-RIO is a Remote I/O communication interface card. It is designed to work with RIO devices. It needs a 5-volt DC power supply provided by the I/O module. Additionally, this product has a 1-ampere input rating. It enables RIO communication between an I/O module and various pieces of equipment.

1771-ODD

Product number 1771-ODD is an AC isolated output module manufactured by Allen Bradley. This device has sixteen (16) isolated outputs. The voltage rating of this module ranges from 74 volts AC to 138 volts AC at a frequency range of 47 hertz to 63 hertz. The backplane current rating of the 1771-ODD is 300 milliamperes maximum at a voltage of 5 volts.

1772-DQ

Product number 1772-DQ is a spare part from Allen Bradley. This part contains a line driver and a receiver chassis. This product belongs to the Mini-PLC-5 line of products. This spare part is typically used to increase the distance a controller can communicate via connections that may be up to 5,000 cable feet apart. The input voltage rating of the 1772-DQ is 120 volts AC or 220/240 volts AC.

1772-LS

Catalog number 1772-LS is an Allen Bradley Mini-PLC-2/05 processor with a six (6) I/O module capacity and a 3K word memory capacity. The input voltage range of this unit is 120 volts AC. This processor is equipped with three (3) status indicators, which are labeled Proc, Run, and Fault. Additionally, the 1772-LS has three (3) operating modes, which include Run, Test, and Prog. This product may be installed in the leftmost slot of an I/O chassis.

1772-LSP

The 1772-LSP is a power supply-equipped Mini-PLC-2/05 processor. It has a CMOS RAM capacity of 3K words, 488 timers, and a data table that can support up to 2944 words. When the processor is turned off, the 1772-LSP has a digital voltage that ranges from 10 to 32 volts DC. It also has a typical signal delay of 29 +/- 8 milliseconds for AC operations and 30 +/- 7 milliseconds for DC operations.

1772-LW

The 1772-LW Mini-PLC-2/17 processor module was produced by Allen Bradley and does not have a power supply. This processor has 7.75K words of memory, 16-bit words, RAM, and data table sizes varying from 48 to 7808 floating words. Additionally, the 1772-LW can support up to a total I/O of 512, as well as 512 analog I/O. This processor's program scan times are 7.5 ms/K minimum and a max of 12 milliseconds for a typical application program.

1772-LWP

The 1772-LWP is a PLC-Mini-2/17 processor. It features a 7.75K word memory and a 120/220 volts AC power supply. It has a total I/O capacity of 512 and an analog I/O capacity of 512. This processor accepts input voltages ranging from 97 to 132 volts AC and 194 to 264 volts AC. This processor's nominal input power is rated at 96 volt-amperes. Additionally, the output current to the backplane is 4 amperes.

1772-LX

The 1772-LX is a mini-PLC-2/16 processor. It features 4K words of user memory and supports up to 256 I/O connections. This variant does not include a power supply for the I/O. It has a backup battery that maintains memory for one year without AC power.

1772-LXP

The 1772-LXP is an Allen Bradley Mini PLC-2/16 processor that operates on a switchable 120-220V AC power supply. It has an input voltage range of 97V AC to 132V AC and 194V AC to 264V AC. Additionally, the 1772-LXP has a nominal input power rating of 96 volt-amperes, a frequency range of 47 to 63 hertz, and a 4-ampere rated output current-to-backplane.

1772-LZP

Product number 1772-LZP is a Mini-PLC-2/02 processor with a power supply. The input voltage of this device is 120/220 volts AC, with an input voltage range of 97 to 132 volts AC and 194 to 264 volts AC. The nominal input power of the 1772-LZP is 96 volt-amperes. The output current to the backplane is rated at 4 amperes.

1772-M16

Product number 1772-M16 is a core memory module from Allen Bradley. This unit belongs to the PLC 5 line of products. This module has a memory capacity of 16K words. The 1772-M16 is equipped with two (2) diagnostic indicators, which are labeled STANDBY LOW and MEMORY FAULT. The approximate weight of this care memory module is 1.70 kilograms.

1772-MJ

The 1772-MJ is an EEPROM memory module that provides backup memory options for different processors, such as the 1772-LS and 1772-LSP. For digital applications, it requires 10 to 32 volts DC at a 50- to 60-hertz frequency. This module comes in a conformal coating, weighs 0.3 pounds (0.1 kilograms), and requires no external power.
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