Siemens SIMATIC S7 System Manual page 765

Table A- 135 Digital outputs
Technical data
Number of outputs
Output type
Voltage range
Logic 1 signal at max. current
Logic 0 signal at max. current
Rated current per point (max.)
Rated current per common
(max.)
Lamp load
On state contact resistance
Leakage current per point
Surge current
Overload protection
Isolation (field side to logic)
Isolation groups
Inductive clamp voltage
Switching delay
Output behavior in STOP
Number of outputs on simulta-
neously
Cable length (max.), in meters
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
SB Digital 2 x Inputs / 2 x Digital Outputs (DT04)
2
Solid state - MOSFET (sourcing)
20.4 to 28.8 V DC
20 V DC min.
0.1 V DC max.
0.5 A
1 A
5 W
0.6 Ω max.
10 μA max.
5 A for 100 ms max.
No
500 V AC for 1 minute
1
L+ minus 48 V, 1 W dissipation
2 μs max. off to on
10 μs max. on to off
Last value or substitute value (default value 0)
2
Shielded: 500 m normal inputs
Unshielded: 150 m normal inputs
Technical specifications
A.6 Digital signal boards
765