Siemens SIMATIC S7-200 System Manual page 469

Wiring Diagrams
In the following schematic figures, the terminals are not in order. See Figure A-34 for terminal
arrangement.
Figure A-35 Internal Schematic for the Inputs and Outputs of the EM 253 Position Module
EM253 Motion Module
+24V
L+
24V_RTN
M
STOP
1M
RPS
2M
ZP
3M
LMT+
LMT-- 5.6K
1K
4M
Figure A-36 Connecting an EM 253 Position Module to a SIMATIC FM Step Drive
L+
P/S
M
5.6K
STOP
1K
1M
5.6K
RPS
1K
2M
ZP
3M
5.6K
LMT+
1K
5.6K
LMT- -
1K
4M
+5VDC
T1
P/S 3.3K
P0
3.3K
P1
3.3K
DIS
3.3K
CLR
P0+
P0--
P1+
P1--
M
M
Technical Specifications
+5VDC
T1
3.3K
P0
3.3K
P1
3.3K
DIS
3.3K
CLR
P0+
P0--
P1+
P1--
M
M
FM Step Drive
+24V
GATE_N
24V_RTN
GND
ENABLE
ENABLE_N
PULSE
PULSE_N
DIR
DIR_N
GND
GND
Appendix A
Terminals are not in
order. See Figure
A-34 for terminal
arrangement.
455