Siemens SIMATIC S7 - Page 700

Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
700 System Manual, V2.3, 07/2017, A5E03822230-AF
Table A- 31 Digital outputs
Technical data
CPU ST30 DC/DC/DC
CPU SR30 AC/DC/Relay
CPU CR30s AC/DC/Relay
Number of outputs
12
12
12
Type Solid state - MOSFET
(sourcing)
Relay, dry contact Relay, dry contact
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
Logic 1 signal at max.
current
20 V DC min. -- --
Logic 0 signal with 10 KΩ
load
0.1 V DC max. -- --
Rated current per point
(max.)
0.5 A 2.0 A 2.0 A
Rated current per com-
mon (max.)
6 A 10.0 A 10.0 A
Lamp load
5 W
30 W DC/200 W AC
30 W DC/200 W AC
ON state resistance
0.6 Ω max.
0.2 Ω max. when new
0.2 Ω max. when new
Leakage current per point
10 μA max.
--
--
Surge current
8 A for 100 ms max.
7 A with contacts closed
7 A with contacts closed
Overload protection
No
No
No
Isolation (field side to
logic)
500 V AC for 1 minute 1500 V AC for 1 minute (coil
to contact)
None (coil to logic)
1500 V AC for 1 minute (coil
to contact)
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 minute
Isolation groups
1
1
1
Inductive clamp voltage L+ minus 48 V DC, 1 W dissi-
pation
Not recommended Not recommended
Switching delay
(Qa.0 to Qa.3)
1.0 μs max., off to on
3.0 μs max., on to off
10 ms max. 10 ms max.
Switching delay
(Qa.4 to Qb.7)
50 μs max., off to on,
200 μs max., on to off
10 ms max. 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 state in STOP
mode
Last value or substitute value
(default value 0)
Last value or substitute value
(default value 0)
Last value or substitute value
(default value 0)
Number of outputs
on simultaneously
12 12 12
Cable length (max.),
in meters
Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m
Shielded: 500 m
Unshielded: 150 m