Siemens Simatic S7 Series

Technical specifications
A.3 Digital inputs and outputs expansion modules (EMs)
S7-200 SMART
608 System Manual, 09/2015, A5E03822230-AC
Table A- 75 Digital inputs
Model
EM Digital
8 x Inputs/
Digital 8 x Outputs
(EM DT16)
EM Digital
8 x Inputs/
8 x Relay Outputs
(EM DR16)
EM Digital
16 x Inputs/ Digital
16 x Outputs
(EM DT32)
EM Digital
16 x Inputs /
16 x Relay Outputs
(EM DR32)
Number of inputs
8
8
16
16
Type Sink/Source (IEC
Type 1 sink)
SinkSource (IEC
Type 1 sink)
Sink/Source (IEC
Type 1 sink)
Sink/Source (IEC
Type 1 sink)
Rated voltage 24 V DC at 4 mA,
nominal
24 V DC at 4 mA,
nominal
24 V DC at 4 mA,
nominal
24 V DC at 4 mA,
nominal
Continuous permissible voltage
30 V DC max.
30 V DC max.
30 V DC max.
30 V DC max.
Surge voltage 35 V DC for 0.5
sec.
35 V DC for 0.5
sec.
35 V DC for 0.5
sec.
35 V DC for 0.5 sec.
Logic 1 signal (min.)
15 V DC
15 V DC
15 V DC
15 V DC
Logic 0 signal (max.)
5 V DC
5 V DC
5 V DC
5 V DC
Isolation (field side to logic) 500 V AC for 1
minute
500 V AC for 1
minute
500 V AC for 1
minute
500 V AC for 1 mi-
nute
Isolation groups
2
2
2
2
Filter times 0.2, 0.4, 0.8, 1.6,
3.2, 6.4, and 12.8
ms, selectable in
groups of 4
0.2, 0.4, 0.8, 1.6,
3.2, 6.4, and 12.8
ms, selectable in
groups of 4
0.2, 0.4, 0.8, 1.6,
3.2, 6.4, and 12.8
ms, selectable in
groups of 4
0.2, 0.4, 0.8, 1.6, 3.2,
6.4, and 12.8 ms,
selectable in groups
of 4
Number of inputs on simultane-
ously
8 8 16 16
Cable length (max.), in meters Shielded:
500 m normal in-
puts
Unshielded:
300 m normal in-
puts
Shielded:
500 m normal in-
puts
Unshielded:
300 m normal in-
puts
Shielded:
500 m normal in-
puts
Unshielded:
300 m normal in-
puts
Shielded:
500 m normal inputs
Unshielded:
300 m normal inputs
Table A- 76 Digital outputs
Model
EM Digital
8 x Inputs/
Digital 8 x Outputs
(EM DT16)
EM Digital
8 x Inputs/
8 x Relay Outputs
(EM DR16)
EM Digital
16 x Inputs/ Digital
16 x Outputs
(EM DT32)
EM Digital
16 x Inputs/
16 x Relay Outputs
(EM DR32)
Number of outputs 8 8 16 16
Type Solid state-
MOSFET (sourcing)
Relay, dry contact Solid state-
MOSFET (sourcing)
Relay, dry contact
Voltage range 20.4 to 28.8 V DC 5 to 30 V DC or
5 to 250 V AC
20.4 to 28.8 V DC 5 to 30 V DC or
5 to 250 V AC
Logic 1 signal at max. current
20 V DC, min.
--
20 V DC, min.
--
Logic 0 signal with 10 KΩ load
0.1 V DC, max.
--
0.1 V DC, max.
--
Rated current per point (max.)
0.75 A
2 A
0.75 A
2 A
Rated current per common
(max.)
3 A 8 A 6 A 8 A