Allen Bradley 1747-DCM/A Direct Communication Module

FAQ

Q1: What is the primary function of the 1747-DCM/A module?
The module enables communication between SLC 500 controllers and supervisory PLC systems over a Remote I/O network.

Q2: What communication speeds are supported?
It supports 57.6 kbps, 115.2 kbps, and 230.4 kbps RIO communication rates.

Q3: What type of connector does the module use?
The module uses a 6-pin Phoenix connector with Belden 9463 communication cable.

Q4: How much backplane current does the module consume?
The module requires 360 mA from the 5V DC backplane supply.

Q5: Which controllers are compatible with the 1747-DCM/A?
It is compatible with Allen-Bradley SLC 500 fixed and modular PLC systems.

Q6: What status indicators are included on the module?
The module includes FAULT and COMM LED indicators for diagnostics and communication status.

Q7: What are the dimensions and weight of the unit?
The dimensions are 145 × 35 × 131 mm, and the weight is approximately 0.17 kg.

Q8: Is the 1747-DCM/A still available?
No, the product has been discontinued and is mainly available through surplus or refurbished inventory suppliers.

1747-DCM/A Allen Bradley

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