Siemens SIMATIC S5-115F - General Configuration

S5-115F Manual Installation Guidelines
3.3.5 Simulator
You can use an appropriate simulator instead of a front connector. Use the toggle switches on the
front of this device to simulate input signals ( Figure 3-29). A simulator needs an external power
supply.
Simulators can not be used for mixed digital input/output modules or for output modules.
Figure 3-29. Simulators
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24 V DC
Fastening screw
Screw-type terminals
for supply voltage
3.4 General Configuration
The following sections explain the electrical installation of the S5-115F.
3.4.1 Power Supply
A completely assembled controller consists of the following separate electrical circuits:
• The control circuit for the central controllers and expansion units
• The load circuit for the sensors and actuator.
EWA 4NEB 811 6148-02 3-31