Siemens SIMATIC HMI SICALIS PMC 7 Equipment Manual page 44

Interfaces and Terminals – Assignments
Table B-4 Assignment of the Terminal Strips, continued
No.
Terminal Strip X4
1 "EMERGENCY STOP" switch, Terminal 22
2 "EMERGENCY STOP" switch, Terminal 21
3 "EMERGENCY STOP" switch, Terminal 32
4 "EMERGENCY STOP" switch, Terminal 31
5 –
6 Terminal Strip XL/M, Terminal 15
7 Enabling switch, Pin 10
8 Enabling switch, Pin 11
9 Enabling switch, Pin 12
10 Enabling switch, Pin 13
11 Enabling switch, Pin 14
12 Enabling switch, Pin 15
13 –
14 –
15 –
16 –
17 –
18 –
19 –
20 –
Terminal Strip X2
L1 230 V AC external supply (hot) –> SIMATIC Box PC 820, mains connection
L2 230 V AC (hot)
N1 230 V AC external supply (neutral) –> SIMATIC Box PC 820, mains connection
N2 230 V AC (neutral)
PE1 Protective earth external supply –> SIMATIC Box PC 820, mains connection
PE2 Protective earth –> enabling switch, Pin 17 (1.5 mm
PE3 Protective earth –> ground for terminal strip rail (1.5 mm
PE4 Protective earth –> ground for the hinged plate (1.5 mm
PE5 Protective earth –> ground for front of housing (1.5 mm
PE6 External functional ground –> ground for SIMATIC Box PC 820 (6 mm
Caution
!
On the terminal strips XL/M and X4, connect only SELV voltages (safety
extra-low voltage).
To connect lines with a cross-section of up to 0.74 mm
B-4
Usage/Description
2
)
2
)
2
)
2
)
SICALIS PMC 7 Operator Panel Equipment Manual
2
)
2
, use wire end ferrules.
Release 09/00