
PCM30U, PCM30U-OCH – User's, Operating and Maintenance Manual
E.1.7.2 Inputs (units with serial number F03 and higher)
And units F01, F02 marked with blue round mark described 03
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
03
Threshold voltage Uth
Nominal voltage
Inputs 1-4
Inputs 5-10, ACK input
Voltage increasing
0,6 ÷ 0,65 Un
0,6 ÷ 0,65 Un
Un = 220 V DC
Voltage declining
0,44 ÷ 0,5 Un
0,59 ÷ 0,64 Un
Voltage increasing
0,6 ÷ 0,65 Un
0,6 ÷ 0,65 Un
Un = 110 V DC
Voltage declining
0,45 ÷ 0,51 Un
0,59 ÷ 0,64 Un
Voltage increasing
0,6 ÷ 0,65 Un
0,6 ÷ 0,65 Un
Un = 48 V DC
Voltage declining
0,46 ÷ 0,52 Un
0,59 ÷ 0,64 Un
Voltage increasing
0,6 ÷ 0,65 Un
0,6 ÷ 0,65 Un
Un = 24 V DC
Voltage declining
0,48 ÷ 0,54 Un
0,59 ÷ 0,64 Un
Input hysteresis
Inputs 1-4
Inputs 5-10, ACK input
(For all nominal voltages)
0,08 ÷ 0,22 Un
0,005 ÷ 0,03 Un
Threshold level can be customized on demand.
Input current at nominal voltage
(Ui=Un)
Selected nominal voltage
Inputs 1-4
Inputs 5-10, ACK input
Un = 220 V DC
2,9 mA ±20%
2,6 mA ±20%
Un = 110 V DC
2,9 mA ±20%
2,6 mA ±20%
Un = 48 V DC
2,9 mA ±20%
2,6 mA ±20%
Un = 24 V DC
2,9 mA ±20%
2,6 mA ±20%
Input current before threshold
(Ui = 0,995 ÷ 0,999 Uth )
Note increased noise immunity of inputs 1-4
Selected nominal voltage
Inputs 1-4
Inputs 5-10, ACK input
Un = 220 V DC
11,8 mA ±20%
1,6 mA ±20%
Un = 110 V DC
6,4 mA ±20%
1,6 mA ±20%
Un = 48 V DC
3,4 mA ±20%
1,6 mA ±20%
Un = 24 V DC
2,3 mA ±20%
1,6 mA ±20%
Input current is electonically limmited at higher voltages and can be customized on demand.
Power Channel Modules
E-16
446S037.914.14N00