HBM MP85 - External Supply Voltage for Control Outputs; Reference Potential for Control Inputs

29
PME-MP85
A0897−3.4 en HBM
5.3.1 External supply voltage for control outputs
Example: PLC connection
OUT3
24 V*
0 V*
max. 0.5 A
Module MP85/MP85DP
PLC
Relay
0 V*
max. 0.5 A
OUT1
Screw terminal 3
24 V
Fig. 5.2: Connection to a PLC
Control outputs are available at screw terminals 3 and 4 and are electrically
isolated from the internal supply voltage:
• at screw terminal 3: control outputs 1 − 4
• at screw terminal 4: control outputs 5 − 8 (MP85 only)
*
)
Control outputs must be supplied with an external voltage (ground and
24V) via screw terminal 3.
5.3.2 Reference potential for control inputs
Control inputs are available at screw terminals 3 and 4 and are electrically
isolated from the internal supply voltage and from the control outputs.
• at screw terminal 3: control input 1
• at screw terminal 4: control inputs 2 − 5 (MP85 only)
For control inputs, it is necessary to connect an external reference potential
(
IN ) to which the control input signals relate.