Wiring Examples - Knick ProLine P22400 Mode D'emploi

Wiring Examples

1) Electrical Isolation (1 or 2 Channels)
4-wire transmitter
eg, °C,
bar,
etc.
Channel 1
eg, °C,
bar,
(Channel 2)
etc.
2a) Operation as Repeater Power Supply (1 or 2 Channels)
Power supply on the input (non-feeding PLC)
2-wire
transmitter
2a) Operation as Repeater Power Supply (1 or 2 Channels)
Input and output are connected "in reverse" (feeding PLC)
2-wire
transmitter
ProLine P2240x P1
Input
0/4 ... 20 mA
0/4 ... 20 mA
Power supply
ProLine P2240x P1
Input
V in
V in = V out + 2.9 V
ProLine P2240x P1
Output
V out
out = V in – 2.9 V
V
Output
0/4 ... 20 mA
eg, PLC,
PCS etc.
0/4 ... 20 mA
Output
V out
Input
V in
21
PLC
PLC