
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 M
Ω
/ 500 V DC
Overvoltage strength against surge 10/700
μ
s
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