Digital Outputs (Dq) - Siemens SIMATIC S7-1200 Manual

Technical specifications
A.4 Specifications for the digital inputs and outputs
A.4.3

Digital outputs (DQ)

Table A- 27 Specifications for the digital outputs (DQ)
Technical data
Type
Voltage range
Logic 1 signal at max. current
Logic 0 signal with 10 KΩ load N/A
Current (max.)
Lamp load
ON state resistance
OFF state resistance
Leakage current per point
Pulse Train Output rate
Surge current
Overload protection
Isolation (field side to logic)
Isolation groups
Isolation resistance
Isolation between open
contacts
252
Relay
(CPU and SM)
Relay, dry contact
5 to 30 VDC or
5 to 250 VAC
N/A
2.0 A
30 W DC / 200 W AC
0.2 Ω max. when new
N/A
N/A
CPU: N/A
3
7 A with contacts closed
No
Coil to contact: 1500 VAC
for 1 minute
Coil to logic: None
CPU 1211C: 1

CPU 1212C: 2

CPU 1214C: 2

SM DQ 8: 2

SM DQ 8 Changeover:8

SM DQ 16: 4

100 MΩ min. when new
750 VAC for 1 minute
24V DC
(CPU, SM, and SB)
Solid state - MOSFET
(Source)
20.4 to 28.8 VDC
20 VDC min.
CPU: 20 VDC min.,
0.1 VDC max.
SB: 0.1 VDC max.
SM DC: 0.1 VDC max.
0.5 A
SB: 5 W
0.6 Ω max.
N/A
10 μA max.
CPU: 100 KHz max.,2 Hz
min.
4
SB: 20 KHz max., 2 Hz min.
CPU: 8 A for 100 ms max.
SB: 5 A for 100 ms max.
SM: 8 A for 100 ms max.
No
500 VAC for 1 minute
CPU: 1

SB: 1

SM (DQ 8): 1

SM (DQ 16): 1

N/A
N/A
200 KHZ 24V DC
(SB)
Solid state - MOSFET
(Sink/Source)
20.4 to 28.8 VDC
1
4.25 to 6.0 VDC
2
L+ minus 1.5 V
1
L+ minus 0.7 V
2
1.0 VDC, max.
1
0.2 VDC, max.
2
0.1 A
N/A
11 Ω max. or 7 Ω max.
1
6 Ω max. or 0.2 Ω max.
1
N/A
200 kHz max., 2 Hz min.
5
0.11 A
No
500 VAC for 1 minute
1
6
N/A
N/A
Easy Book
Manual, 11/2011, A5E02486774-04
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