138 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix A Specifications
Working Voltage
Expansion I/O Specifications
Working Voltage for 1766-L32AWA/A
Description Recommendation
Power Supply Input to Backplane Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (IEC Class 2 reinforced insulation)
Input Group to Backplane Isolation
Verified by one of the following dielectric tests:1517V AC for 1 second or 2145V DC for 1 second
132V AC Working Voltage (IEC Class 2 reinforced insulation)
Input Group to Input Group Isolation
Verified by one of the following dielectric tests:1517V AC for 1 second or 2145V DC for 1 second
132V AC Working Voltage (basic insulation)
Output Group to Backplane Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (IEC Class 2 reinforced insulation)
Output Group to Output Group Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1second
265V AC Working Voltage (basic insulation), 150V AC Working Voltage (IEC Class 2 reinforced insulation)
Working Voltage for 1766-L32BWA/A
Description Recommendation
Power Supply Input to Backplane Isolation
Verified by one of the following dielectric tests:1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (IEC Class 2 reinforced insulation)
Input Group to Backplane Isolation and Input
Group to Input Group Isolation
Verified by one of the following dielectric tests: 1100V AC for 1 second or 1697V DC for 1 second
75V DC Working Voltage (IEC Class 2 reinforced insulation)
Output Group to Backplane Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (IEC Class 2 reinforced insulation).
Output Group to Output Group Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (basic insulation) 150V Working Voltage (IEC Class 2 reinforced insulation)
Working Voltage for 1766-L32BXB/A
Description Recommendation
Input Group to Backplane Isolation and Input
Group to Input Group Isolation
Verified by one of the following dielectric tests: 1100V AC for 1 second or 1697V DC for 1 second
75V DC Working Voltage (IEC Class 2 reinforced insulation)
FET Output Group to Backplane Isolation
Verified by one of the following dielectric tests: 1100V AC for 1 second or 1697V DC for 1 second
75V DC Working Voltage (IEC Class 2 reinforced insulation)
Relay Output Group to Backplane Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (IEC Class 2 reinforced insulation)
Relay Output Group to Relay Output Group and
FET Output Group Isolation
Verified by one of the following dielectric tests: 1836V AC for 1 second or 2596V DC for 1 second
265V AC Working Voltage (basic insulation), 150V Working Voltage
(IEC Class 2 reinforced insulation)
General Specifications – Digital I/O Modules
Specification Value
Dimensions
HxWxD
90 x 87 x 40.4 mm
height including mounting tabs is 110 mm
(3.54 x 3.43 x 1.59 in.)
height including mounting tabs is 4.33 in.
Temperature, storage -40 °C…85 °C (-40…185 °F)
Temperature, operating
-20…65 °C (-4…149 °F)
(1)
Temperature, surrounding air, max. 60 °C (140 °F)
Operating humidity 5…95% non-condensing
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