Diagnosing faults chapter 6 – Rockwell Automation 1775-MX_S4A,D17756.3.1 User Manual PLC-3 BACKUP CONC(OR.DU1 User Manual
Page 109
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Diagnosing Faults
Chapter 6
6-5
Figure 6.2
Indicator Locations for 1775ĆS4 and 1775ĆSR Scanner Modules
PASS and FAIL indicators
Thumbwheel switch
I/O channel
status indicators
1775 - S4A
Scanner
1775 - SR
Scanner
18750
Figure 6.3
Indicator Locations for 1775ĆS5 and 1775ĆSR5 Scanner Modules
PASS and FAIL indicators
Thumbwheel switch
I/O channel
status indicators
1775 - S5
Scanner
1775 - SR5
Scanner
18751
Forces enabled indicator
Data Highway / Data
Highway Plus status
indicators
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