Calibrationandsetup – Weidmuller DPADCV - Universal glavanically isolated signal converter Benutzerhandbuch

Seite 19

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•CalibrationandSetup

General

The SET (setpoint) and DB (deadband) adjustments control the

setpoint and hysteresis for each alarm channel. Internal jumpers
control the alarm type and relay coil energisation.

Equipmentrequirements
• A suitable DC voltage source
• An accurate digital multimeter (accurate to 0.05 mV and ±0.1 μA)
• Flat bladed screwdriver (blade width less than .54 mm / 0.1 inch)

Terminalconnectionsforcalibration

Signaltype

Terminal

Input signal

DC voltage source (+)

2

DC voltage source (−)

4

Power supply

Neutral (−)

9

Live (+)

10

Setpoint(SETControl)adjustment

The SET controls for each channel are on the front panel of the

transmitter. For both high and low type alarms you turn the control
clockwise to trip the alarm and anticlockwise to reset it. The procedure
for adjustment is as follows:

1. Connect up the instrument according to the table above.
. Set the input source to the trip point.
3. Turn the SET control anti-clockwise until the LED extinguishes.
4. Slowly turn the SET control clockwise until the LED lights up.

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