Analog Inputs - Siemens SIMATIC S7 System Manual

Technical data
Isolation (field side to logic)
Isolation resistance
Isolation between open contacts
Isolation groups
Inductive clamp voltage
Switching delay (Qa.0 to Qa.3)
Switching delay (Qa.4 to Qb.1)
Maximum relay switching frequency
Pulse Train Output rate
(Qa.0 and Qa.2)
Lifetime mechanical (no load)
Lifetime contacts at rated load
Behavior on RUN to STOP
Number of Outputs On
simultaneously
Cable length (meters)
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
1
Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve
2
pulse signal quality and noise immunity.
A.4.3

Analog inputs

Table A- 49 Analog inputs
Technical data
Number of inputs
Type
Range
Full-scale range (data word)
Overshoot range (data word)
Overflow (data word)
Resolution
Maximum withstand voltage
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
CPU 1214C AC/DC/Relay
and DC/DC/Relay
1500 VAC for 1 minute (coil to contact)
None (coil to logic)
100 MΩ min. when new
750 VAC for 1 minute
2
--
10 ms max.
10 ms max.
1 Hz
Not recommended
1
10,000,000 open/close cycles
100,000 open/close cycles
Last value or substitute value (default value 0)
10
500 m shielded, 150 m unshielded
Description
2
Voltage (single-ended)
0 to 10 V
0 to 27648
27,649 to 32,511
See the table for measurement ranges of the analog inputs for voltage
(Page 687).
32,512 to 32,767
10 bits
35 VDC
553BTechnical specifications
A.4 CPU 1214C
CPU 1214C
DC/DC/DC
500 VAC for 1 minute
--
--
1
L+ minus 48 VDC,
1 W dissipation
1.0 μs max., off to on
3.0 μs max., on to off
50 μs max., off to on
200 μs max., on to off
--
100 KHz max.,
2 Hz min.
2
--
--
685