Description
Technical Specifications for 1785-BCM
Manufacturer | Rockwell Automation |
Wiring Arm | 1785-BCM |
DH+/RIO Interface | 2 |
High Speed Serial Link Interface | 1 |
Module Type | Backup Communications Module |
Part Number/Catalog No. | 1785-BCM |
Brand | Allen-Bradley |
Compatible processors | PLC-5/15 series B, -5/20, -5/25, -5/30, -5/40, and -5/60 |
Module Location | 1771 I/O Chassis (local) |
Keying Locations | between 8 and 10 between 34 and 36 |
Customer Relay | .25A @ 24V dc (resistive) |
HSSL | communicates with 1.2 Megabaud |
Operational Temperature | 0 Deg. Celsius to 60 Deg. Celsius (32 Deg. Fahrenheit to 140 Degree Fahrenheit) |
The Allen-Bradley 1785-BCM is a legacy communication module that is used with the PLC5 controller platform. This module is a single-slot chassis that is used to provide communication redundancy and switchover capability from a primary PLC processor to a stand-by PLC5 processor. This module is able to provide high-speed Data Highway Plus (DH+) and Remote I/O (RIO) communication backup via the high-speed serial link (HSSL) with switchover speed up to 1.2 Megabaud.
The 1785-BCM manages data transfer from the primary to secondary controller using block transfer instructions configured in the user program developed using the RSLogix5 programming software.
The 1785-BCM also features an internal buffer amounting up to 4K Words and capable of initiating switchover in different events such as power failure, processor error including 1785-BCM partner module fault. Additionally, switchover may also happen during manual switchover from RUN to PROGRAM mode, REMOTE RUN to REMOTE PROGRAM transition and REM RUN and REMOTE TEST mode changed.
The 1785-BCM is compatible for use with a variety of PLC5 processors such as PLC-5/15 series B, -5/20, -5/25, -5/30, -5/40, and -5/60 processors. It is installed to a 1771 I/O chassis with keying locations between 8 and 10 or between 34 and 36. It requires use of a Wiring Arm with catalog number 1771-WG for fast termination of communication wires to the 1785-BCM.
When using the BCM, input and output modules are not permitted to be installed in the same chassis where the processor and the BCM is installed. The I/O modules must be installed remotely, acting as distributed I/O stations.
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Tel: 18059884797 (WeChat with the same number)
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Email: sales@xiongbagk.cn
Address: Unit 2009, Chuangxiang Center, No.1733, Lvling Road, Siming District, Xiamen
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+++Please read the Terms & Condition before purchase+++
ACCESSORIES – Accessories, manuals, cable and etc that are not in the picture listing or mention, it is NOT INCLUDED.
INTERNATIONAL BUYER – Import duties, taxes and brokerage charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding or buying
WARRANTY – Our warranty is valid for 30 days after initial receipt of item.
SHIPPING SERVICE – Item will be dispatch within a days after receipt payment confirmation, please provided a valid contact number in the shipping address to facilitate the shipping.
RETURN POLICY – For item condition not as described, defective. Please report to us for replacement or refund within 14 days of receipt. -All Returns must be in original condition and include all shipped accessories. All used programable items have program installed, We will not accept return if you cannot factory reset or format or delete the program.
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