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Allen-Bradley 1785-L40C

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Manufacturer: Allen Bradley - PLC
Product Type: PLC/Programmable Logic Controller
Part Number: 1785-L40C
Series: PLC 5
UPC: 10612598139337

Description:

This 1785-L40C Programmable Controller Module offers connectivity to programming terminals through DH+ connection, serial channel, and ControlNet connection. It is a 25-Pin D Shell that supports standard EIA RS-232C and RS-423.



Automation Stop is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with Automation Stop's 1-year warranty.

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Rockwell Disclaimer: The product is used surplus. Automation Stop is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Automation Stop is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Automation Stop also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Automation Stop also makes no representations as to your right to install any such firmware on the product. Automation Stop will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

The 1785-L40C is a PLC-5/40 Processor and a Programmable Controller that provides connection to programming terminals through DH+ connection, serial channel, and ControlNet connection. The operator can connect programming devices to the ControlNet network through a ControlNet network access cable with a tap on a ControlNet device. This programmable control unit uses channel zero (0) for serial port. It is a 25-Pin D shell that supports standard EIA RS-232C and RS-423. You can use this port with ASCII or DF1 full duplex, half duplex master, and half duplex slave protocol. The port’s default configuration supports processor programming like DF-1 point-to-point with one stop bit, 2400 bps, BCC error check, no polarity, and no handshaking. The channel 0 is optically coupled through provision of high electrical noise immunity. It can be used with RS-422A equipment, so long as termination resistors are not used and distance with transmission rate is decreased to comply with the RS-423 requirements.

Channel 1A has 3 pins available with default DH+. It is configurable for remote I/O scanner, remote I/O adapter, DH+ communication, and unused. The channel 1B also has 3 pins with default remote I/O scanner. It is also configurable remote I/O scanner, remote I/O adapter, DH+ communication, and unused. You can select processor modes with available Key switch. The controller comes with a ControlNet I/O indicator and channel 2 ControlNet status indicators. A ControlNet network access port is also available with an RJ-45 connector. It also has redundant media ports with channel zero (0) for communication status indicator. A force status indicator is also present in the ControlNet PLC module.

Technical Specifications

Brand Allen-Bradley/Rockwell Automation
Series PLC-5/40
Bulletin 1785
Battery 1770-XYC
Communication Serial, DH+, DH using 1785-KA, Remote I/O, ControlNet
Keying Between 40 and 42, Between 54 and 56
No. of Serial Ports 1
No. of Coprocessor Ports 1
Maximum No. of MCP's 16
Maximum Backplane Current Load 3 Amperes
Backplane Current Load 2.7 Amperes
Remote I/O Racks 16
Remote I/O Devices 60
We offer UPS shipping. Including Ground, 2nd Day Air, Next Day Air and Early AM. Some of our products have a short lead time, so please contact us if you need any item faster than the lead time shown. If you need to order an item internationally please contact us prior to checking out so we can get you a shipping quote. We can ship UPS or DHL internationally. We can also ship on your UPS or FedEx account number.
If the item is found to be defective within 30 days of the invoice date, a full refund can be issued. If an item is found to be defective through normal use and wear after 30 days but within the 1 year period, the Automation Stop Warranty dictates the appropriate course of action. After the 30 day period, Automation Stop reserves the right to decide between refund, repair, or replacement with identical product. Because of the high volume of outgoing and incoming shipments on a day to day basis, we unfortunately cannot accept returns on items ordered mistakenly or part numbers ordered incorrectly. If a special exception is approved, a 20% restocking fee will be assessed. If you have any questions please contact us at sales@automationstop.com.

FAQ

Question: Does Automation Stop offer repairs on the 1785-L40C?

Answer: Yes. We offer repairs for the 1785-L40C and it comes with our 1 Year Automation Stop Warranty.


Question: What type of warranty comes with the Allen Bradley - PLC and 1785-L40C?

Answer: If you buy the 1785-L40C through Automationstop.com it comes with our 1 Year Warranty and no other warranties.


Question: Can I buy the 1785-L40C online?

Answer: Yes. Automation Stop sells the 1785-L40C online and you can check out for the quantity and condition listed available above.


Question: What is the manufacturer for the 1785-L40C?

Answer: The 1785-L40C is made by Allen Bradley - PLC.


Question: What type of product is the 1785-L40C?

Answer: The 1785-L40C is part of the PLC 5 series.


Question: What is the Backplane Current Load of the 1785-L40C?

Answer: The Backplane Current Load of the Rockwell Automation 1785-L40C is 2.7 Amperes.


Question: What is the Battery of the Allen Bradley/Rockwell Automation 1785-L40C?

Answer: The Battery of the 1785-L40C is 1770-XYC.


Question: What Brand does the 1785-L40C have?

Answer: The 1785-L40C has a AB/Rockwell Automation Brand.


Question: What Bulletin does the Allen Bradley/Rockwell Automation 1785-L40C have?

Answer: The 1785-L40C has a Bulletin of 1785.


Question: What Communication does the Rockwell Automation 1785-L40C have?

Answer: The Communication of the 1785-L40C is Serial, DH+, DH using 1785-KA, remote i/o, ControlNet.


Question: What is the Keying of the 1785-L40C?

Answer: The Keying of the 1785-L40C is Between 40 and 42, Between 54 and 56.


Question: What is the Maximum Backplane Current Load of the 1785-L40C?

Answer: The Allen Bradley 1785-L40C has a Maximum Backplane Current Load of 3 Amperes.


Question: What Maximum No. of MCP's does the 1785-L40C have?

Answer: The Maximum No. of MCP's of the Allen Bradley Automation 1785-L40C is 16.


Question: What No. of Coprocessor Ports does the 1785-L40C have?

Answer: The Rockwell Automation 1785-L40C has a No. of Coprocessor Ports of 1.


Question: What is the No. of Serial Ports of the 1785-L40C?

Answer: The No. of Serial Ports of the Allen-Bradley 1785-L40C is 1.


Question: What remote i/o Devices does the Allen Bradley 1785-L40C have?

Answer: The remote i/o Devices of the Allen Bradley 1785-L40C is 60.


Question: What remote i/o Racks does the 1785-L40C have?

Answer: The remote i/o Racks of the 1785-L40C is 16.


Series information for 1785-L40C

For additional information about 1785-L40C check the data sheet or manual. Also check the manual PDF for all wiring diagrams, compatibility, troubleshooting, specifications, installation instructions, and accessories (such as batteries, terminal blocks, or cables) regarding 1785-L40C.

Revision Part # Also Known As Availability
1785-L40C/A 1785-L40C Ser A, Series A, Rev A Request a Quote
1785-L40C/B 1785-L40C Ser B, Series B, Rev B Request a Quote
1785-L40C/C 1785-L40C Ser C, Series C, Rev C Request a Quote
1785-L40C/D 1785-L40C Ser D, Series D, Rev D Request a Quote
1785-L40C/E 1785-L40C Ser E, Series E, Rev E Request a Quote

Common Misspellings:

  • 1785-L4OC
  • 178S-L40C
  • 178S-L4OC
  • 17B5-L40C
  • 17B5-L4OC
  • 17BS-L40C
  • 17BS-L4OC
  • I785-L40C
  • I785-L4OC
  • I78S-L40C
  • I78S-L4OC
  • I7B5-L40C
  • I7B5-L4OC
  • I7BS-L40C
  • I7BS-L4OC

Automation Stop sells used surplus products. Automation Stop is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by Automation Stop come with Automation Stop’s 1-year warranty and do not come with the original manufacturer’s warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Rockwell Disclaimer: The product is used surplus. Automation Stop is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Automation Stop is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Automation Stop also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Automation Stop also makes no representations as to your right to install any such firmware on the product. Automation Stop will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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