Siemens S7-1200 - Page 901

Technical specifications
A.7 Digital signal modules (SMs)
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
901
Table A- 125 Digital outputs
Model
SM 1223
DI 8 x 24 VDC,
DQ 8 x Relay
SM 1223
DI 16 x 24 VDC,
DQ 16 x Relay
SM 1223
DI 8 x 24 VDC,
DQ 8 x 24 VDC
SM 1223
DI 16 x 24 VDC,
DQ 16 x 24 VDC
Number of outputs
8
16
8
16
Type
Relay, dry contact
Solid state - MOSFET (sourcing)
Voltage range
5 to 30 VDC or 5 to 250 VAC
20.4 to 28.8 VDC
Logic 1 signal at max. current
--
20 VDC, min.
Logic 0 signal with 10 KΩ load
--
0.1 VDC, max.
Current (max.)
2.0 A
0.5 A
Lamp load
30 W DC / 200 W AC
5 W
ON state contact resistance
0.2 Ω max. when new
0.6 Ω max.
Leakage current per point
--
10 μA max.
Surge current
7 A with contacts closed
8 A for 100 ms max.
Overload protection
No
Isolation (field side to logic) 1500 VAC for 1 minute (coil to contact)
None (coil to logic)
500 VAC for 1 minute
Isolation resistance
100 MΩ min. when new
--
Isolation between open contacts
750 VAC for 1 minute
--
Isolation groups
2
4
1
1
Current per common
10A
8 A
4 A
8 A
Inductive clamp voltage
--
L+ minus 48 V, 1 W dissipation
Switching delay 10 ms max. 50 μs max. off to on
200 μs max. on to off
Maximum relay switching frequency
1 Hz
--
Lifetime mechanical (no load)
10,000,000 open/close cycles
--
Lifetime contacts at rated load (N.O.
contact)
100,000 open/close cycles --
Behavior on RUN to STOP
Last value or substitute 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