32 MicroLogix 1400 Programmable Controllers
Publication 1766-IN001D-EN-P - June 2015
Working Voltage for 1766-L32BWA, 1766-L32BWAA
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-L16BXB, 1766-L16BXBA
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)
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