Weidmuller PTX800D - Scalable pulse and frequency counter Manual de usuario descargar pdf (Pagina 18)

High/Low voltage input selection

1. Gently remove the backplate (it is held in place by four lugs).

2. Slid

e the electronics from the housing.

3. Change the High/Low voltage jumper to the required setting (see

diagram right).

4. Loo

k inside the housing and note that there are connectors that

mate with the display board.

5. Sl

ide the electronics gently back into the case. Carefully moving the

board until the keypad connectors engage with the display board.

6. Replace the backplate.

Output calibration

General

The PTX800D analogue outputs are calibrated for a specific output

range and type. If you have changed the output range or type you

must follow the procedure given below.

Allow the instrument 15 minutes of powered operation (to reach a

stable temperature) before calibrating the output.

Equipment requirements

• An accurate digital multimeter (accurate to 0.05 mV and ±0.1 μA)

Terminal Connections for output calibration

Calibration Stage Signal type Terminal

Analogue Current Output

mA output + 3

mA output – 4

Analogue Voltage Output

V output + 3

V output – 4

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Weidmuller PTX800D - Scalable pulse and frequency counter Manual de usuario Pagina 18