Rockwell Automation 931U-C9C7C-BC Configurator Software User Manual
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Min. / max. power supply 
(according VDE) 
18…264 V AC/DC
18…40 V AC / 18…56 V DC (ATEX Zone 2)
Rated power
< 3,5 W
Ambient operating range
‐40...+70 °C
Isolation test
1,5 kVrms / 1 min. between PE and power supply, as well as between PE 
and input or output 
2,5 kVrms / 1 min between input and output
Rated insulation voltage
300 V protective separation between power supply and input or output, 
as well as between Relay output and all other circuits 
100 V protective separation between input and output
300 V basic insulation between input and output
Performance
Accuracy
DC, RTD inputs <0.1% span.  
Thermocouple inputs: 0.2% span (or 1 °C) + CJ error 
Ambient temp effects
DC & RTD inputs < 0.01%/K  
Thermocouple inputs < 0.01% of full scale/K + CJ error 0.07 °C/K 
Step Response/ 
Cut‐off Frequency 
Settable within 60 ms ‐1880 ms / 1 Hz (3 dB)
Physical
Dimensions
92.4 x 112.5 x 45 mm
No. of connections
12
Connection types
screw
Housing material
UL 94 V0
Housing color
Gray
Ingress protection
IP20
Approvals
CE, cULus, GL
Approvals
CE, cULus, Class 1 Division 2 / Zone 2, ATEX Zone 2
Table 3
Specifications