GE IC694MDL660-EC RX3i PACSystems Positive/Negative Logic Input Module

Frequently Asked Questions (FAQ)

Q1: What type of input signals does the IC694MDL660-EC support?
A1: It supports 24 VDC discrete input signals with both positive and negative logic configurations.

Q2: Can this module be used with Series 90-30 PLCs?
A2: No, it is only compatible with RX3i PACSystems and requires CPU firmware version 2.90 or higher.

Q3: How many input channels does the module provide?
A3: The module provides 32 discrete inputs, divided into four groups of 8 channels, each group electrically isolated.

Q4: What are the selectable filter times available for input signal conditioning?
A4: The module supports filter times of 0.5 ms, 1.0 ms, 2.0 ms, 5 ms, 10 ms, 50 ms, and 100 ms.

Q5: Does the IC694MDL660-EC provide any built-in diagnostic functions?
A5: Yes, it detects the presence of the terminal block and reports this status to the RX3i CPU.

Q6: What happens if the firmware of the module becomes corrupted or is missing?
A6: All LEDs will be off, and while the CPU may still scan the module, it may not generate a fault. It’s recommended not to rely solely on diagnostic messages.

Q7: What is the significance of the TB LED color on the module?
A7: The TB LED is green when the terminal block is properly locked in place and red when it is not secured.

Q8: What kind of isolation does this module offer?
A8: It offers optical isolation between the field and backplane (250 VAC continuous), and between input groups (250 VAC continuous), withstanding up to 1500 VAC for one minute.

GE IC694MDL660-EC Positive/Negative Logic Input Module RX3i PACSystems

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