Siemens SIMATIC S7 - Page 728

Technical specifications
A.3 Digital inputs and outputs expansion modules (EMs)
S7-200 SMART
728 System Manual, V2.3, 07/2017, A5E03822230-AF
Table A- 75 Digital outputs
Model
EM Digital
8 x Outputs
(EM DT08)
EM Digital
8 x Outputs Relay
(EM DR08)
EM Digital
16 x Outputs Relay
(EM QR16)
EM Digital
16 x Outputs Transis-
tor (EM QT16)
Number of outputs
8
8
16
16
Type Solid state -
MOSFET (sourcing)
Relay, dry contact Relay, dry contact Solid state -
MOSFET (sourcing)
Voltage range 20.4 to 28.8 V DC 5 to 30 V DC or
5 to 250 V AC
5 to 30 V DC or
5 to 250 V AC
20.4 to 28.8 V DC
Logic 1 signal at max. current
20 V DC
-
-
20 V DC
Logic 0 signal with 10 K Ω load
0.1 V DC
-
-
0.1 V DC
Rated current per point (max.)
0.75 A
2.0 A
2.0 A
0.75 A
Rated current per common
(max.)
3 A 8 A 8 A 3 A
Lamp load 5 W DC 30 W DC / 200 W
AC
30 W DC/200 W AC 5 W
ON state contact resistance 0.6 Ω 0.2 Ω max. when
new
0.2 Ω max. when
new
0.6 Ω max.
Leakage current per point
10 μA
--
--
10 μA
Surge current 8 A for 100 ms max. 7 A with contacts
closed
7 A with contacts
closed
8 A for 100 ms max.
Overload protection
No
No
No
No
Isolation (field side to logic) Optical, 500 V AC
for 1 minute
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
1500 V AC for 1
minute (coil to con-
tact)
None (coil to logic)
500 V AC for 1 mi-
nute
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
minute
-
Isolation groups
2
2
4
4
Inductive clamp voltage Minus 48 V DC, 1
W dissipation
- - L+ minus 48 V, 1 W
dissipation
Switching delay Switch on less than
50 μs and switch off
less than 200 μS
10 ms max. 10 ms max. Switch on less than
50 μs and switch off
less than 200 μS
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
-