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The purpose of this Resolution is to inform users of 170ANR12090 and 170ANR12091 Momentum I/O Bases of a problem with the discrete input data oscillating on and off, although no input signals are present.
Goals and Symptoms
The discrete input bits (lower byte of input word 2) will continuously oscillate on/off when at least one of the inputs is turned on from the field side. This occurs if the parameters for the analog outputs are set to either of the following two configurations:
Facts and Changes
Units affected are:
Causes and Fixes
A firmware solution has been implemented. Modules with an SV of 1.10 and a PV02 have this fix.