Siemens SIMATIC S7 - Digital Inputs and Outputs

Technical specifications
A.2 S7-200 SMART CPUs
S7-200 SMART
698 System Manual, V2.3, 07/2017, A5E03822230-AF
Technical data
CPU ST30 DC/DC/DC
CPU SR30 AC/DC/Relay
CPU CR30s AC/DC/Relay
Isolation (input power to
logic)
-- 1500 V AC 1500 V AC
Ground leakage, AC line
to functional earth
-- 0.5 mA max. 0.5 mA max.
Hold up time
(loss of power)
20 ms at 24 V DC 30 ms at 120 V AC
200 ms at 240 V AC
30 ms at 120 V AC
200 ms at 240 V AC
Internal fuse,
not user replaceable
3 A, 250 V, slow blow 3 A, 250 V, slow blow 3 A, 250 V, slow blow
Table A- 29 Sensor power
Technical data
CPU ST30 DC/DC/DC
CPU SR30 AC/DC/Relay
CPU CR30s AC/DC/Relay
Voltage range
20.4 to 28.8 V DC
20.4 to 28.8 V DC
Not available
Output current rating
(max.)
300 mA
(short circuit protected)
300 mA
(short circuit protected)
Not available
Maximum ripple noise
(<10 MHz)
< 1 V peak to peak < 1 V peak to peak Not available
Isolation (CPU logic to
sensor power)
Not isolated Not isolated Not available
A.2.2.2
Digital inputs and outputs
Table A- 30 Digital inputs
Technical data
CPU ST30 DC/DC/DC
CPU SR30 AC/DC/Relay
CPU CR30s AC/DC/Relay
Number of inputs
18
18
18
Type
Sink/Source (IEC Type 1 sink,
except I0.0 to I0.3, I0.6 to
I0.7)
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
Continuous permissible
voltage
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.
Logic 1 signal (min.) I0.0 to I0.3, I0.6 to I0.7: 4 V
DC at 8 mA
Other inputs: 15 V DC at 2.5
mA
15 V DC at 2.5 mA 15 V DC at 2.5 mA
Logic 0 signal (max.) I0.0 to I0.3, I0.6 to I0.7: 1 V
DC at 1 mA
Other inputs: 5 V DC at 1 mA
5 V DC at 1 mA 5 V DC at 1 mA
Isolation (field side to
logic)
500 V AC for 1 minute 500 V AC for 1 minute 500 V AC for 1 minute
Isolation groups
1
1
1