Siemens SIMATIC HMI Mobile Panel 277 RO - Page 138

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