Cerabar PMP23 IO-Link
Electrical connection
Hauser
17
6
Electrical connection
6.1
Connecting the measuring unit
6.1.1
Terminal assignment
L
WARNING
Risk of injury from the uncontrolled activation of processes!
‣
Switch off the supply voltage before connecting the device.
‣
Make sure that downstream processes are not started unintentionally.
L
WARNING
An incorrect connection compromises electrical safety!
‣
A suitable circuit breaker must be provided for the device in accordance with IEC/
EN61010.
‣
The device must be operated with a 500 mA fine-wire fuse (slow-blow).
‣
Protective circuits against reverse polarity are integrated.
Connect the device in the following order:
1. Check that the supply voltage corresponds to the supply voltage indicated on the
nameplate.
2. Connect the device in accordance with the following diagram.
Switch on the supply voltage.
Device
M12 plug
PMP23
C/Q
L–
L+
2
1
3
4
SIO
IO-Link
A0034006
1
Supply v
2
4-20 mA
3
Supply voltage -
4
C/Q (IO-Link communication or SIO mode)
6.1.2
Supply voltage
Electronic version Device Supply voltage
IO-Link
PMP23 10 to 30 V DC
The IO-Link communication is guaranteed only if the supply voltage is at least 18
V.
6.1.3
Current consumption and alarm signal
Number of wires
Device
Normal operation
Alarm signal
1)
3 or 4
PMP23
Maximum current consumption: ≤ 300 mA
1)
For MAX alarm (factory setting)