553BTechnical specifications
A.4 CPU 1214C
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
685
Technical data
CPU 1214C AC/DC/Relay
and DC/DC/Relay
CPU 1214C
DC/DC/DC
Isolation (field side to logic)
1500 VAC for 1 minute (coil to contact)
None (coil to logic)
500 VAC for 1 minute
Isolation resistance
100 MΩ min. when new
--
Isolation between open contacts
750 VAC for 1 minute
--
Isolation groups
2
1
Inductive clamp voltage
--
L+ minus 48 VDC,
1 W dissipation
Switching delay (Qa.0 to Qa.3)
10 ms max.
1.0 μs max., off to on
3.0 μs max., on to off
Switching delay (Qa.4 to Qb.1)
10 ms max.
50 μs max., off to on
200 μs max., on to off
Maximum relay switching frequency
1 Hz
--
Pulse Train Output rate
(Qa.0 and Qa.2)
Not recommended
1
100 KHz max.,
2 Hz min.
2
Lifetime mechanical (no load)
10,000,000 open/close cycles
--
Lifetime contacts at rated load
100,000 open/close cycles
--
Behavior on RUN to STOP
Last value or substitute value (default value 0)
Number of Outputs On
simultaneously
10
Cable length (meters)
500 m shielded, 150 m unshielded
1
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
2
Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve
pulse signal quality and noise immunity.
A.4.3
Analog inputs
Table A- 49 Analog inputs
Technical data
Description
Number of inputs
2
Type
Voltage (single-ended)
Range
0 to 10 V
Full-scale range (data word)
0 to 27648
Overshoot range (data word)
27,649 to 32,511
See the table for measurement ranges of the analog inputs for voltage
(Page 687).
Overflow (data word)
32,512 to 32,767
Resolution
10 bits
Maximum withstand voltage
35 VDC