GE PACSystems RX7i, Cpu Programmer'S Reference Manual

Page: 443 / 469

Chapter 9. Diagnostics
428 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual GFK-2950C
9.5.4 Circuit Faults (Category 1)
Circuit faults apply to Genius I/O modules and the IC697VRD008 RTD/Strain Bridge modules. Fault
extra data is available for all faults in this category. More than one condition may be present in a
particular reporting of the fault.
Action: Diagnostic.
Fault Extra Data for Circuit Faults
Genius Bus Controller
Circuit fault entries use one or two bytes of the fault extra data area. If the GBC reports the fault, the
first byte is generated by the GBC and the second byte contains the circuit configuration and is
encoded as shown in the following table.
Value
(Byte 2) Description
1 Circuit is an input.
2 Circuit is an input.
3 Circuit is an output.
If the fault type is a GENA fault, the second byte contains the data that was reported from the GENA
module in Fault Byte 2 of its
Report Fault message.
VRD001 RTD/Strain Bridge
Circuit fault entries; 13 bytes of the fault extra data area. The fault extra data is encoded as shown in
the following table.
Bytes Description
1-10 Used by technical support.
11 Line number
12 Module number
13 Used by technical support.