Siemens SIMATIC S7 System Manual page 674
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- System manual (866 pages) ,
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553BTechnical specifications
A.3 CPU 1212C
Table A- 28
Communication
Technical data
Number of ports
Type
HMI device
1
Programming device (PG)
Connections
Data rates
Isolation (external signal to PLC logic)
Cable type
The CPU provides dedicated HMI connections to support up to 3 HMI devices. (You can have up to 2 SIMATIC Comfort
1
panels.) The total number of HMI is affected by the types of HMI panels in your configuration. For example, you could
have up to three SIMATIC Basic panels connected to your CPU, or you could have up to two SIMATIC Comfort panels
with one additional Basic panel.
Table A- 29
Power supply
Technical data
Voltage range
Line frequency
Input current
CPU only
(max. load)
CPU with all expansion
accessories
Inrush current (max.)
Isolation (input power to logic)
Ground leakage, AC line to functional earth
Hold up time (loss of power)
Internal fuse, not user replaceable
Table A- 30
Sensor power
Technical data
Voltage range
Output current rating (max.)
674
Description
1
Ethernet
3
1
8 for Open User Communication (active or passive): TSEND_C,
TRCV_C, TCON, TDISCON, TSEND, and TRCV
3 for server GET/PUT (CPU-to-CPU) S7 communication
8 for client GET/PUT (CPU-to-CPU) S7 communication
10/100 Mb/s
Transformer isolated, 1500 VDC
CAT5e shielded
CPU 1212C
AC/DC/Relay
85 to 264 VAC
47 to 63 Hz
80 mA at 120 VAC
40 mA at 240 VAC
240 mA at 120 VAC
120 mA at 240 VAC
20 A at 264 VAC
1500 VAC
0.5 mA max.
20 ms at 120 VAC
80 ms at 240 VAC
3 A, 250 V, slow blow
CPU 1212C
AC/DC/Relay
20.4 to 28.8 VDC
300 mA (short circuit
protected)
CPU 1212C
DC/DC/Relay
20.4 to 28.8 VDC
--
400 mA at 24 VDC
1200 mA at 24 VDC
12 A at 28.8 VDC
Not isolated
--
10 ms at 24 VDC
3 A, 250 V, slow blow
CPU 1212C
DC/DC/Relay
L+ minus 4 VDC min.
300 mA (short circuit
protected)
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
CPU 1212C
DC/DC/DC
20.4 to 28.8 VDC
--
400 mA at 24 VDC
1200 mA at 24 VDC
12 A at 28.8 VDC
Not isolated
--
10 ms at 24 VDC
3 A, 250 V, slow blow
CPU 1212C
DC/DC/DC
L+ minus 4 VDC min.
300 mA (short circuit
protected)
- Quick Links:
- Introducing the S7-1200 Plc
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