Profibus
number
Screw compressors Reciprocating compressors
1 Compressor motor feedback Compressor motor feedback
2
External starting permission - Normal
stop
External starting permission - Normal
stop
3
External starting permission - Instant
stop
External starting permission - Instant
stop
4 Start request feedback (PMS) Start request feedback (PMS)
5 Regulator SP1/SP2 Regulator SP1/SP2
6 Motor current/power limiter SP1/SP2 Motor current/Power limiter SP1/SP2
7 Oil pump feedback Intermediate oil return
8 Oil pump 2/Fan motor feedback High pressure oil return
9 Oil level/Flow switch Oil filter differential switch
10 Capacity down blocked Capacity down blocked
11 Thermistor Thermistor
Table 46: Dig. Input 1-11 Profibus
Set-up
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Engineering manual - Unisab III 1.10
001930 en 2014.09