Siemens SIMATIC S7 System Manual page 733

Table A- 83 Digital inputs
Model
Number of inputs
Type
Rated voltage
Continuous permissible voltage
Surge voltage
Logic 1 signal (min.)
Logic 0 signal (max.)
Isolation (field side to logic)
Isolation groups
Filter times
Number of inputs on simultane-
ously
Cable length (max.), in meters
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
EM Digital EM Digital
8 x Inputs/ 8 x Inputs/
Digital 8 x Outputs 8 x Relay Outputs
(EM DT16) (EM DR16)
8 8
Sink/Source (IEC Sink/Source (IEC
Type 1 sink) Type 1 sink)
24 V DC at 4 mA, 24 V DC at 4 mA,
nominal nominal
30 V DC max. 30 V DC max.
35 V DC for 0.5 35 V DC for 0.5
sec. sec.
15 V DC 15 V DC
5 V DC 5 V DC
500 V AC for 1 500 V AC for 1
minute minute
2 2
0.2, 0.4, 0.8, 1.6, 0.2, 0.4, 0.8, 1.6,
3.2, 6.4, and 12.8 3.2, 6.4, and 12.8
ms, selectable in ms, selectable in
groups of 4 groups of 4
8 8
Shielded: Shielded:
500 m normal in- 500 m normal in-
puts puts
Unshielded: Unshielded:
300 m normal in- 300 m normal in-
puts puts
A.3 Digital inputs and outputs expansion modules (EMs)
EM Digital
16 x Inputs/ Digital
16 x Outputs
(EM DT32)
16
Sink/Source (IEC
Type 1 sink)
24 V DC at 4 mA,
nominal
30 V DC max.
35 V DC for 0.5
sec.
15 V DC
5 V DC
500 V AC for 1
minute
2
0.2, 0.4, 0.8, 1.6,
3.2, 6.4, and 12.8
ms, selectable in
groups of 4
16
Shielded:
500 m normal in-
puts
Unshielded:
300 m normal in-
puts
Technical specifications
EM Digital
16 x Inputs /
16 x Relay Outputs
(EM DR32)
16
Sink/Source (IEC
Type 1 sink)
24 V DC at 4 mA,
nominal
30 V DC max.
35 V DC for 0.5 sec.
15 V DC
5 V DC
500 V AC for 1 mi-
nute
2
0.2, 0.4, 0.8, 1.6, 3.2,
6.4, and 12.8 ms,
selectable in groups
of 4
16
Shielded:
500 m normal inputs
Unshielded:
300 m normal inputs
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