Charge Monitoring Control Unit, Component Description - GF54.10-P-3015KJE
MODEL 453.091/391/491 with ENGINE 780 except CODE 908 (Bordlader 22kW)
Location
The charging process monitoring control unit (N83/2) is integrated in the high-voltage control unit box (N83).
Task
The charging process monitoring control unit is only used in combination with the 7 kW charger. During charging, the control unit actuates the indicator LED of the charger feed socket (X58/23) and communicates with the charging station via the CP contact. The control unit also monitors the interlock signal from the connected high-voltage components and from the fuse cover in the high-voltage control unit box.
Reading in of sensors and signals
Input factors are read in by means of the following connections:
- Direct line
- Electric drive CAN (CAN EL)
Evaluation of input factors
The input factors that have been read in are evaluated by the integrated microprocessor and the affected components are then actuated.
Output of signals and actuation of components
Initial parameter are output over the following connections:
- Direct line
- Internal electric drive CAN
The electric drive control unit (N127) is the central interface (gateway) for exchanging function-relevant data of the control units that are connected to the various CAN bus systems.
Input and output signals
The charging process monitoring control unit evaluates the following input signals and issues the corresponding output signals:
- Direct input signals
- Direct output signals
- CAN input signals
- CAN output signals
| Input factors over a direct line | Initial parameters over a direct line | Supplemental information |
|---|---|---|
| High-voltage interlock IN | High-voltage interlock OUT | - |
| Battery management system control unit (N82/2) signal | - | - |
| Charger feed socket indicator LED (E34) | - | - |
| Charge socket lock (M14/4) | Charge socket lock (M14/4) | - |
| Powerline gateway control unit (N24/5) | Powerline gateway control unit (N24/5) | - |
| Charger feed socket (X58/23) | - | - |
| Terminal 15 | - | - |
| Circuit 30 | - | - |
| Ground connection | - | - |
| Input factors via internal electric drive CAN | Output factors via internal electric drive CAN | Supplemental information |
|---|---|---|
| Power electronics control unit (N129/1) | Power electronics control unit (N129/1) | - |
Structure
The charging process monitoring control unit consists of a plastic housing with three plug connectors and an internal control unit.
Voltage supply
The charging process monitoring control unit is supplied with power by "circuit 30" and, with the ignition ON, by "circuit 15".
| Wiring diagram for high-voltage control unit box | PE54.21-P-2154-97BEA |