Siemens SIMATIC HMI Mobile Panel 277 RO Operating Instructions Manual page 138

Technical specifications
10.4 Connection box PN Plus interface assignment
Terminal strip 1, for power supply, 3-pin
The figure below illustrates the assignment of terminal strip 1:
Pin
1
2
3
Terminal strip 2, 12-pin
The safety and additional functions are connected to this terminal strip. The terminal strip
has a mechanical coding to prevent it from being mixed up with terminal strip 1. The figure
below illustrates the assignment of terminal strip 2:
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Active if Emergency Stop pressed
1)
Active if Mobile Panel connected
2)
The "STOP button depressed" signal has no error detection and must therefore not be used
for safety-critical applications.
138
Connection box Plus
STOP13
STOP14
STOP23
STOP24
CTL31
1)
CTL32
1)
PRESENT31
2)
PRESENT32
ENABLE2+
ENABLE1–
ENABLE1+
ENABLE2–
Assignment
PE
M24
P24
STOP button
See also post connectors
PLC auxiliary signals
Enabling button
See also post connectors and connection
examples
Operating Instructions, 10/2015, A5E36824256-AA
Circuit
Mobile Panel 277 RO