Siemens S7-1200 - Page 849

Technical specifications
A.3 CPU 1212C
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
849
Element
Description
Status
1
Update
1
Profile
1
Timers
Type
IEC
Quantity
Limited only by memory size
Storage
Structure in DB, 16 bytes per timer
Counters
Type
IEC
Quantity
Limited only by memory size
Storage Structure in DB, size dependent upon count type
• SInt, USInt: 3 bytes
• Int, UInt: 6 bytes
• DInt, UDInt: 12 bytes
Table A- 32 Communication
Technical data
Description
Number of ports
1
Type
Ethernet
HMI device
3
Programming device (PG)
1
Connections
• 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
Data rates
10/100 Mb/s
Isolation (external signal to PLC logic)
Transformer isolated, 1500 VAC, for short term event safety only
Cable type CAT5e shielded
Table A- 33 Power supply
Technical data
CPU 1212C
AC/DC/Relay
CPU 1212C
DC/DC/Relay
CPU 1212C
DC/DC/DC
Voltage range
85 to 264 VAC
20.4 VDC to 28.8 VDC
Line frequency
47 to 63 Hz
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Input current
(max. load)
CPU only 80 mA at 120 VAC
40 mA at 240 VAC
400 mA at 24 VDC 400 mA at 24 VDC
CPU with all expansion
accessories
240 mA at 120 VAC
120 mA at 240 VAC
1200 mA at 24 VDC 1200 mA at 24 VDC
Inrush current (max.)
20 A at 264 VAC
12 A at 28.8 VDC
12 A at 28.8 VDC
Isolation (input power to logic)
1500 VAC
Not isolated
Not isolated
Ground leakage, AC line to functional earth
0.5 mA max.
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