Siemens Simatic S7 Series

Technical specifications
A.3 Digital inputs and outputs expansion modules (EMs)
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
609
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)
Lamp load
5 W
30 W DC/200 W AC
5 W
30 W DC/200 W AC
ON state contact resistance 0.6 Ω max. 0.2 Ω max. when
new
0.6 Ω max. 0.2 Ω max. when
new
Leakage current per point
10 μA max.
--
10 μA max.
--
Surge current 8 A for 100 ms max. 7 A with contacts
closed
8 A for 100 ms max. 7 A with contacts
closed
Overload protection
No
No
No
No
Isolation (field side to logic) 500 V AC for 1
minute
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
500 V AC for 1
minute
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
Isolation resistance -- 100 M Ω min. when
new
-- 100 M Ω min. when
new
Isolation between open contacts -- 750 V AC for 1
minute
-- 750 V AC for 1 mi-
nute
Isolation groups
2
2
3
4
Inductive clamp voltage
Minus 48 V
--
Minus 48 V
--
Switching delay 50 μs max., off to
on
200 μs max., on to
off
10 ms max. 50 μs max., off to
on
200 μs max., on to
off
10 ms max.
Lifetime mechanical (no load) -- 10,000,000
open/close cycles
-- 10,000,000
open/close cycles
Lifetime contacts at rated load -- 100,000 open/close
cycles
-- 100,000 open/close
cycles
Output behavior in STOP Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Last value or substi-
tute value (default
value 0)
Number of outputs on simulta-
neously
8 8 16 16
Cable length (max.), in meters Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m