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# Bosch Rexroth PRC 7000

The PRC 7000 is the latest generation of resistance welding control systems. It delivers what you are entitled to expect from the European market leader: a highly efficient, reliable control system. With intuitive operation, state-of-the-art hardware and adaptive control – for ultra-fast commissioning, energy-saving.

## [![Bosch PRC7000](https://github.com/bsinno/bcx2017/raw/master/Available_Devices/images/PRC7000.png)](https://github.com/bsinno/bcx2017/blob/master/Available_Devices/images/PRC7000.png)Device capabilities

On top of welding, the PRC 7000 can also:

* be programmed using C/C++, Python, Java and node-red
* send weld data to the Bosch Cloud
* be parametrized via REST API

## Example of the weld data

```
{
  "topic": "com.bosch.si.myapp/MyPRC7000-PRC1232132133123/things/twin/commands/modify",
  "path": "/features/welding/properties/status",
  "value": {
    "date": "2017-03-08 14:14:10+0000",
    "PSFlowerTolerance": 4500,
    "tipName": "Gun_1",
    "length": 412,
    "errorCode": 0,
    "PSFactualValue": 7833,
    "UIPreferenceValue": 10000,
    "UIPupperTolerance": 7000,
    "voltage": [ 1.791, 1.788, ... 1.784, 1.781, 1.777, 1.774, 1.77, 1.766, 1.763, 1.759, 1.755, 1.751, 1.747, 1.743, 1.739, 1.735],
    "gunName": "Gun_1",
    "referenceCurveLength": 370,
    "spatterTime": 0,
    "UIPlowerTolerance": 4500,
    "PSFreferenceValue": 10000,
    "current": [10.008, 9.984, ... 9.96, 9.935, 9.911, 9.887, 9.862, 9.838, 9.814, 9.79, 9.765, 9.741, 9.717, 9.692, 9.668, 9.644],
    "PSFupperTolerance": 10000,
    "weldOn": true,
    "UIPactualValue": 10966,
    "tipDressCount": 0,
    "tipWearCount": 10,
    "ernergy": 0,
    "spotName": "1_0"
  }
}
```

## Ideas for optimizing this device or the production performance

* Online optimization of the current level to achieve a lower expulsion rate and still keep an acceptable quality (quality estimation index)
* Enhanced UX with interactive dashboard
* Communication between weld controllers to alert low quality welds performed by multiple controllers in series


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