Siemens SIMATIC S7-1200 - Page 1453

Technical specifications
A.9 Digital signal modules (SMs)
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1453
Model
SM 1223
DI 8 x 24 V DC,
DQ 8 x Relay
SM 1223
DI 16 x 24 V DC,
DQ 16 x Relay
SM 1223
DI 8 x 24 V DC,
DQ 8 x 24 V DC
SM 1223
DI 16 x 24 V DC,
DQ 16 x 24 V DC
Maximum relay switching frequency
1 Hz
1 Hz
--
1 Hz
Lifetime mechanical (no load) 10,000,000
open/close cycles
10,000,000
open/close cycles
-- --
Lifetime contacts at rated load (N.O.
contact)
100,000
open/close cycles
100,000
open/close cycles
-- --
Behavior on RUN to STOP Last value or sub-
stitute value (de-
fault value 0)
Last value or sub-
stitute value (de-
fault value 0)
Last value or sub-
stitute value (de-
fault value 0)
Last value or substi-
tute value (default
value 0)
Number of outputs on simultaneously 8
• 8 (no adjacent
points) at 60 °C
horizontal or
50 °C vertical
• 16 at 55 °C
horizontal or
45 °C vertical
8 16
Cable length (meters) 500 m shielded,
150 m unshielded
500 m shielded,
150 m unshielded
500 m shielded,
150 m unshielded
500 m shielded, 150
m unshielded