OverviewAllen-Bradley 1747-DCM SLC500 Direct Communication Module, Ser A
Mfr. Part Number:

1747-DCM/A

Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1747-DCM SLC500 Direct Communication Module, Remote I/O, Series A
Full Description: Allen-Bradley 1747-DCM SLC500 Direct Communication Module, Remote I/O; Allows Supervisory Processors, such as PLC–5s, and distributed SLC–500 Processors residing on an Allen–Bradley RIO Communication Link to transfer data between each other, Series A
UPC / GTIN: 10662073601941
Status: Discontinued by manufacturer
Inventory & PricesPLCH is Not Authorized Distributor of this product
Condition:

UPP (Used PLCH Packaging)

Warranty:
Manufacturer's Warranty & Support DO NOT apply.
Availability:
31 available for pre-order  
Shipping Date:
Ships on Jul 10, 2026  
Estimated Value:
Your Price: $85.00
Quantity:
 
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1747-DCM/A
Disclaimer
PLC Hardware (PLCH) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens or any other Manufacturers. PLCH is NOT Authorized Dealer of this product. The product may be of older version, date codes or design than that available from authorized dealers. As PLCH is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. PLCH sells pre-owned SURPLUS and USED equipment ONLY and DOES NOT sell SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining a proper license from the manufacturer. PLCH makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. PLCH also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from Original Manufacturer, its distributors, or any other source. PLCH also makes no representations as to your right to install any such software or firmware on the product. PLCH will not obtain or supply software or 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 software or firmware. Customer acknowledges and agrees that PLCH DOES NOT provide any software, firmware, operating system or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance and upgrades are subject to applicable manufacturer's Licensing Agreement or similar document.
 
Similar Parts Mfr Cond Description Est Val Price Stock Qty
1747-DCM/A RA SOP Allen-Bradley 1747-DCM SLC500 Direct Communication Module, Remote I/O, Series A $418.00 3 days 3 buyit
1747-DCM/A RA SPP Allen-Bradley 1747-DCM SLC500 Direct Communication Module, Remote I/O, Series A $162.00 3 days 6 buyit
1747-DCM/A RA SSP Allen-Bradley 1747-DCM SLC500 Direct Communication Module, Remote I/O, Series A $904.00 3 days 1 buyit
Specs & Technical Data
Specifications: The 1747-DCM appears as an RIO adapter to a PLC processor with integral RIO scanner on the RIO Communication. The 1747-DCM appears as an RIO adapter to a RIO scanner (1771–SN or 1747–SN) on the RIO Communication Link. 
Miscellaneous: Allen-Bradley 1747-DCM connects SLC 500 Fixed Programmable Controller with Expansion Chassis or any SLC 500 Modular Programmable Controller to a supervisory Allen–Bradley Programmable Controller via the RIO Link, provides a distributed processing system. The DCM communicates with supervisory PLC or SLC controllers through RIO scanners, however, the DCM does not scan the I/O in its local I/O chassis, rather it passes the supervisory data to the distributed SLC processor. 
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