Siemens SIMATIC C7-626 Installation, Assembly, Wiring page 81

Specific Data of the Digital Input Function
Number of inputs
Cable length
Unshielded
Voltages, Currents, Potentials
Nominal load voltage L +
Number of simultaneously
energizable inputs
Galvanic isolation
In groups of
Permissible potential
difference
Between the M terminals
of the groups
Insulation resistance
Status, Interrupts, Diagnostics
Interrupts
Diagnostic functions
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Data for Selecting a Sensor
16 Input voltage
Nominal voltage
For "1" signal
600 m
For "0" signal
Input current
24 VDC
For "1" signal
16
Input delay time
Programmable
Yes (optocoupler)
At "0" to "1"
16
At "1" to "0"
Input characteristic
–
Type of input in accordance
500 VDC
with IEC 1131
Connection of 2-wire BEROs
No
Permissible quiescent
current
No
C7 Digital Input/Output
24 VDC
from 11 to 30 V
from -3 to 5 V
from 6 to 11.5 mA
No
from 1.2 to 4.8 ms
from 1.2 to 4.8 ms
In accordance with
DIN EN 61131-2
(IEC 1131, Part 2)
Type 2
Possible
2 mA
5-3
5