Siemens Simatic S7-200 System Manual page 351

N (-)
L (+)
RELAY
1L 0.0 0.1 0.2
OUTPUTS
DC 24V
1L 0.0 0.1 0.2
INPUTS
Figure A-12 Connector Terminal Identification for CPU 214 AC/Sourcing DC/Relay
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
Outputs (30 VDC/250 VAC)
N (-) N (-)
L (+) L (+)
0.3 2L 0.4
0.5 0.6
470 Ω
0.3 0.4 0.5 0.6 0.7 2L 1.0
Inputs (15 VDC to 30 VDC)
S7-200 Data Sheets
Power supply
N L1
3L 0.7 1.0 1.1
Note:
1. Actual component values may vary.
2. Connect AC line to the L terminal.
3. Input circuit ground is optional.
3.3 KΩ
1.1 1.2 1.3 1.4 M L+
1.5
24 VDC power for input
sensors or expansion
modules (280 mA)
VAC
85–264
DC
SENSOR
SUPPLY
A-27