HBM MP85A - Connecting the Power Supply; External Supply Voltage for Control Outputs

Electrical connection
MP85A A0293_06_E00_03 HBM: public 25
In addition, screw terminals 3 and 4 and screw terminals 5 and 6 have different
contact spacing.
5.4.1 Connecting the power supply
Notice
Connect the MP85A process controller to an external supply voltage of
18 … 30 V
DC
(24 V
nom
).
Procedure
► Attach wire end ferrules to the wire ends of the power supply.
► Screw the wire ends to screw terminal 1.
► Insert the screw terminal in the uppermost socket.
► Switch on the power supply.
5.4.2 External supply voltage for control outputs
Example: PLC connection (p-switched)
OUT3
24 V*
0 V*
max. 0.5 A
MP85A process controller
PLC
Relay
0 V*
max. 0.5 A
OUT1
Screw terminal 3
24 V
Fig. 5.2 Connection to a PLC
*)
The control outputs must be supplied with an external voltage (0V and
24V) via screw terminal 3. This external voltage is electrically isolated from
the measurement ground.