Intelligent Technologies (IT.) D77A I/O Module Products
Troubleshooting and Maintenance
Status LED
The status LED is located on the upper left of the D77A I/O module as pictured in Figure 1,
Module Component Location. The LED’s status changes depending on the state of the I/O module.
Table 26: Status LED
State | LED Behavior | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No Power | OFF | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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OFF – CRC corrupt | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Faulted (50%) |
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Identify device (burst) |
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Undiscovered |
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Fault Codes
Table 27: Analog 10 Fault Codes
0 x 41 (65) | Analog input over range. |
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0 x 42 (66) | Analog input under range. |
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0 x 44 (68) | Analog input open. |
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0 x 45 (69) | Analog input shorted. |
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MN05002001E | For more information visit: www.EatonElectrical.com | 45 |