GF54.21-D-2001H Interfaces, PSM, Function

GF54.21-D-2001H Interfaces, PSM, Function

- with CODE (ED5) Parameterizable special module (PSM)


- with CODE (ED8) Preinstallation for parameterizable special module (PSM)

Discrete inputs and outputs
The PSM control unit has various discrete inputs and outputs. The inputs are debounced and stored as a signal in the signal pool. The logical status "1" means that the respective switch at the input is active, irrespective of whether the input is positive-active or ground-active.

The individual outputs are assigned signals by means of parameterization. In the case of outputs with special functions (half-bridge) and pulse width modulation (PWM), additional information regarding their use is required. If the respective signal is 1 (active), the output is activated. Activation is performed irrespective of the switched level (low-side or high-side).

Further information on the inputs, e.g. internal wiring, can be found in the "Technical data" documents.

The "PSM interfaces" comprise the following interfaces:
- "Inputs interface"
- "Outputs interface"
- "CAN interface"
- "RS485 interface" (model 639)
- "Fleet management system interface"