TAKASAGO HX-S-G4 Series, Инструкция по эксплуатации, Страница: 174 / 216

Calibration
174
Offset/Full-Scale Calibration of Output Current with External Analog Input
Output Current Control with External Voltage (Isolated External Voltage)
1. Perform load with only the shunt resistor.
Disconnect the load wires and the remote sensing
wires.
Connect the shunt to the output terminal. Connect
the digital multimeter to the terminal located on the
shunt.
Turn the POWER switch ON and OUTPUT OFF in
advance.
Note: Large current flows through
the wiring material.
Use wires which will not produce
a voltage drop below 0.8V.
Calibration Circuit
Power Supply
+
-
+ -
V
5
18
External
Control Connector
External
Voltage
0 to 10V
Insulation
Control Connector
7
6
2. Set the external voltage to 0.010V and the
constant voltage setting value to [ xV ] and set
the output to ON.
30-200 30-400 60-100 60-200
[xV] 1.00V 1.00V 1.00V 1.00V
500-12 500-24 1000-6 1000-12
[xV] 1.0V 1.0V 1V 1V
For how to set, refer to Output Current Control with
External Voltage. (page147)
In the case of isolation, refer to Output Current
Control with Isolated External Voltage.
(page148)
3. Press the FUNC. key.
4. Turn the VOLTAGE dial to display the setting item
number 30 in the Number Display (voltage).
* At that time, turn off the Number Display (current).
5. Adjust so that the output current becomes [ yA ]
with the CURRENT dial.
30-200 30-400 60-100 60-200
[yA] 0.20A 0.40A 0.10A 0.20A
DMM display
value
0.050mV 0.040mV 0.025mV 0.050mV
500-12 500-24 1000-6 1000-12
[yA] 0.012A 0.024A 0.006A 0.012A
DMM display
value
0.040mV 0.040mV 0.030mV 0.040mV
*DMM display value is the specification of the shunt resistor
The value when had you use.
6. Press the FUNC. key to settle the offset calibration
value of output current control with external
voltage (Isolated external voltage).