Siemens FDUL221 Technical Manual page 65

Building Technologies
Fire Safety
Internal HW
– 'Test Hardware'
Linedriver
– 'Test Linedriver A(+)'
Cablin/Fuse A(+)
– 'Connect EARTH to A(+)'
Cablin/Fuse A(-)
– 'Connect EARTH to A(-)'
Cablin/Fuse B(+)
– 'Connect EARTH to B(+)'
Cablin/Fuse B(-)
– 'Connect EARTH to B(-)'
'Selftest COMPLETE'
'Exit
Measurement connections
1 Line B (sockets B+ and B-)
2 Line A (sockets A+ and A-)
3 Earth (socket)
See also
Power supply [
Maintenance / Repair
Testing the line tester
37]
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2013-08-15