Allen Bradley 1756-DHRIO/C ControlLogix Communication Module

FAQ

Q1. What is the function of the 1756-DHRIO/C module?
It provides a DeviceNet and high-speed RIO interface for ControlLogix systems.

Q2. What does the “/C” version indicate?
It specifies a hardware revision of the DHRIO module with improved firmware compatibility.

Q3. Which communication protocols are supported?
DeviceNet and ControlLogix RIO.

Q4. What data rates are available on this module?
DeviceNet: 125, 250, 500 kbps; RIO: 5 Mbps.

Q5. Can this module be installed in any ControlLogix chassis?
Yes, it fits standard ControlLogix chassis slots.

Q6. Does it require configuration software?
Yes, configuration is done using Studio 5000 or RSLogix 5000.

Q7. Is the module hot-swappable?
Yes, it supports insertion or removal without powering down the system, under proper precautions.

Q8. Where is this module commonly used?
It is used in industrial automation systems that integrate DeviceNet devices and high-speed Remote I/O with ControlLogix controllers.

1756-DHRIO/C Allen Bradley

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