Amphenol Temposonics MH Series Kullanım Kılavuzu - Sayfa 16

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Amphenol Temposonics MH Series Kullanım Kılavuzu
Temposonics
MH Analog
®
Operating Manual

6.2 Checking the sensor function

Analog sensors (current or voltage output and PWM)
• Check the connections and the pin allocation
• Check the supply voltage
• Disconnect the sensor and test it in connection with an external
power supply (e.g. car battery)
• Use a Temposonics
test unit. The operating instructions of the test unit are
®
available for downloading from the log-in area under www.mtssensor.com
• Use the multimeter in accordance with the explanation.
Measuring the 4...20 mA output signal
Measure the 4...20 mA output signal using a multimeter and select the mA measuring range. Connect the multimeter with the green signal con-
ductor and the white 0 V conductor. Connect the (+12/24 VDC) supply voltage to the brown conductor and O V (-0 V) to the white conductor.
Alternatively, the 4-20 mA output signal can be measured using a resistor (e.g. 100 Ω), which is connected with the green signal conductor and
the white 0 V conductor. Now, select the VDC measuring range of the multimeter and connect the multimeter in parallel to the resistor.
Example:
With a 100 Ω resistor, the following values are displayed.
Supply voltage
at 4mA (Null Zone)
12 VDC, 24 VDC
at 20mA (End Position)
0,4 V
Supply voltage
12/24 VDC
Multimeter
Supply voltage
12/24 VDC
Multimeter
2 V
I
16
I
Measuring using a multimeter (mA)
Measuring using a multimeter
(VDC) and a resistor