Siemens SIMATIC HMI Mobile Panel 277 RO - 4.3 Electrical installation

Mounting and connecting
4.3 Electrical installation
Mobile Panel 277 RO
Operating Instructions, 10/2015, A5E36824256-AA
41
4.3
Electrical installation
Electrical connections
The electrical installation comprises the components:
● Connection box PN Plus
● Mobile Panel 277 RO
You can connect the following devices or operator controls to these components:
Device/Operator control
Mobile Panel 277 RO
Connection box
Panel PC
Yes
Yes
Supply voltage – Yes
Connection to Stop circuit
–
Yes
Monitoring signal of the STOP button
–
Yes
Connection to enable circuit
–
Yes
4.4
Connecting the connection box
4.4.1
Overview
Requirements
● The connection box PN Plus must be mounted in accordance with the specifications in
these operating instructions.
● Always use only shielded standard cables.
Note
The maximum length of the cable for connecting the Stop button and the enabling button
may not exceed 30 m.