| Pin # | Function | Notes | Wire color 1 |
|---|---|---|---|
| 1 | Power supply |
With digital output: 15 ... 30 V DC With analog output: 15 ... 25 V DC 2 |
Brown |
| 2 | RS-485- or analog output 2 | Current output: 4 … 20 mA 3 | White |
| 3 |
Power and signal GND RS-485 common |
Blue | |
| 4 | RS-485+ or analog output 1 | Current output: 4…20 mA 3 | Black |
| 5 | Output control and purge trigger in analog mode | Floating = RS-485 Grounded = Analog outputs If you want to be able to trigger a purge manually in the analog mode, do not connect pin #5 permanently to ground, but instead, use a relay or similar to control the pin. |
Grey |
1 Wire colors apply to the
following cables: 254294SP, 254295SP, 254296SP, 254297SP, 244669SP
2 When using analog outputs, it
is recommended to use a low supply voltage to minimize self-heating.
3 The ordered parameters and scaling are shown in the calibration certificate delivered with the probe.