TTC PCM30U - Inputs (Units with Serial Number F01, F02

PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.1.7.3 Inputs (units with serial number F01, F02)
Inputs 10+1, optocouplers with galvanic decoupling
Electrical resilience of optocouplers > 4 kV DC / 3,75 kV AC RMS
Electrical resistance against ground, between
different inputs and outputs
> 100 MΩ / 500 V DC
Overvoltage strength against surge 10/700 μs
ITU-T K.20
4 kV
Nominal DC voltage (Un) (selectable by jumpers) 24 V, 48 V, 110 V, 220 V
Command „active“ input voltage tolerance 0,85 ÷ 1,2 Un
Command „non-active“ input voltage tolerance 0 ÷ 0,2 Un
Inputs 1-4 Inputs 5-10, ACK input
Voltage increasing 0,6 ÷ 0,75 Un 0,6 ÷ 0,75 Un Threshold voltage Uth
Voltage declining 0,45 ÷ 0,6 Un 0,58 ÷ 0,73 Un
Hysteresis 0,08 ÷ 0,22 Un 0,008 ÷ 0,02 Un
Threshold level can be customized on demand.
Input current at nominal voltage (Ui=Un)
Selected nominal voltage Un Inputs 1-4 Inputs 5-10, ACK input
220 VDC
3,0 mA ±20% 2,5 mA ±20%
110 VDC 3,0 mA ±20% 2,5 mA ±20%
48 VDC 3,0 mA ±20% 2,5 mA ±20%
24 VDC 3,0 mA ±20% 2,5 mA ±20%
Input current before threshold (Ui = 0,995 ÷ 0,999 Uth )
Note increased noise immunity of inputs 1-4
Selected nominal voltage Un Inputs 1-4 Inputs 5-10, ACK input
220 VDC 12,5 mA ±20% 1,7 mA ±20%
110 VDC 6,9 mA ±20% 1,7 mA ±20%
48 VDC 3,7 mA ±20% 1,7 mA ±20%
24 VDC 2,4 mA ±20% 1,7 mA ±20%
Input current is electonically limmited at higher voltages and can be customized on demand.
Power Channel Modules E-17 446S037.914.14N00