Siemens SIMATIC S7-1200 - Page 1433

Technical specifications
A.8 CPU 1217C
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1433
Table A- 96 Digital outputs
Technical data
CPU 1217C DC/DC/DC
Number of outputs 10 total
6: Solid state - MOSFET (sourcing)
4: Differential (RS422/RS485)
Type: Solid state - MOSFET
(sourcing output)
Qa.4 to Qb.1
Voltage range
20.4 to 28.8 V DC
Logic 1 signal at max. current
20 V DC min.
Logic 0 signal with 10 KΩ load
0.1 V DC max.
Current (max.)
0.5 A
Lamp load
5 W
ON state resistance
0.6 Ω max.
Leakage current per point
10 μA max.
Surge current
8 A for 100 ms max.
Overload protection
No
Isolation (field side to logic)
707 V DC (type test)
Isolation groups
1
Inductive clamp voltage
L+ minus 48 V DC, 1 W dissipation
Switching delay (Qa.4 to Qb.1) 1.0 μs max., off to on
3.0 μs max., on to off
Maximum relay switching frequency
--
Pulse Train Output rate 100 kHz max. (Qa.4 to Qb.1)
1
, 2 Hz min.
Type: Differential output
(RS422/RS485)
Qa.0 to Qa.3 (.0+ 0- to .3+ .3-)
Common mode voltage range
-7 V to +12 V, 1 second, 3 VRMS continuous (RS422/RS485 characteristics)
Transmitter differential output voltage
2 V min. at RL = 100 Ω, 1.5 V min. at RL = 54 Ω (RS422/RS485 characteristics)
Built-in termination
100 Ω between Qa'+' and Qa'-'
Driver output impedance
100 Ω including termination
Isolation (field side to logic)
707 V DC (type test)
Isolation groups
1
Switching delay (DQa.0 to DQa.3)
100 ns max.
Differential output channel-to-channel
skew
40 ns max.
Pulse train output rate
1 MHz (Qa.0 to Qa.3), 2 Hz min.
General specifications
(all digital outputs)
Behavior on RUN to STOP
Last value or substitute value (default value 0)