Siemens SIMATIC S7-300 Series Reference Manual page 69

Technical Specifications of the Special Inputs of the CPU 314IFM
Module-Specific Data
Number of inputs
Cable length
S
Shielded
Voltages, Currents, Potentials
Number of inputs that can
be triggered simultaneously
S
(horizontal
configuration)
up to 60°C
S
(vertical configuration)
up to 40°C
Status, Interrupts; Diagnostics
Status display
Interrupts
S
Process interrupt
Diagnostic functions
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
Sensor Selection Data
4 Input voltage
S
I 126.0 to 126.3
Rated value
S
For "1" signal
max. 100 m (109yd.)
4
S
For "0" signal
Input current
4
S
For "1" signal
4
Input delay time
S
For "0" to "1"
S
For "1" to "0"
1 green LED per
channel
Input characteristic
Connection of 2-wire
Configurable
BEROs
None
S
Permissible quiescent
current
Time, Frequency
Internal conditioning time
for
S
Interrupt processing
Input frequency
CPUs
24V DC
11 V to 30 V
18 to 30 V with
angular encoder and
integrated
"Positioning"
function
-3 to 5 V
typical 6.5 mA
< 50 ms (typical 17
ms)
< 50 ms (typical 20
ms)
to IEC 1131, Type 2
Possible
max. 2 mA
max. 1.2 ms
v 10 kHz
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