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FAQs-HE697THM160
Q. The THM160 does not work correctly in a 90-70 remote rack.
A. The THM160 will work in local expansion racks but not in a remote rack that is connected via genius. There is not enough data available through the remote connection.
Q. With multiple modules in the same rack, all of the %AIs read the same as the first module.
A. When using the "External Supervisor Program Block" with multiple modules, the "External Supervisor Program Block" needs to have a different name for each module it supports. Names like THM1 and THM2 are a good idea to reference the slot in which the module resides.
Q. Module doesn't always initialize after a power cycle.
A. The watchdog circuit on the THM160 does not initialize as fast as the PLC CPU. (This problem was corrected with version F. Module should be sent in to be upgraded under warrantly.)
Q. Module logs "Unsupported Feature" in Fault table.
A. The THM160 requires a PLC CPU version of 5.0 to operate as a standard I/O module. (Upgrade the PLC CPU to version 5.0.)
Q. Module logs "Loss of/Addition of Module" in Fault table.
A. The configuration of the module in the PLC CPU must match the defined configuration for the module or the PLC CPU will not be able to communicate with it.
- Verify that the configuration in the PLC matches the configuration in the specification sheet.
- Verify that the configuration shown in logicmaster has actually been downloaded into the PLC.
- Clear all PLC memory and retry the download. The PLC CPU can be corrupted by noise and other environment factors.
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