Shinkawa WK Series, Инструкция по эксплуатации, Страница: 20 / 26

5. CALIBRAION
WK
-13-
5.1 CALIBRATION
5.1.1 ADJUST ZERO POTENTIOMETER
1) Set a gap between sensor and target in 1.0 milimeters.
2) Adjust zero potentiometer with no test signal.
5.1.2 ADJUST SPAN POTENTIOMETER
1) Set a gap between sensor and target in 1.0 milimeters.
2) Connect a oscillator output to test signal input pin and COM terminal of output terminal block.
3) Adjust span potentiometer with full scale test signal.
! CAUTION
Oscillator does not connect to ground.
Test Signal
none 4 mA 1 V
F.S.
Test signal*
(OSC. Output)
100
µ
m 787 mV pk-pk
125
µ
m 984 mV pk-pk
200
µ
m 1,574 mV pk-pk
250
µ
m 1,968 mV pk-pk
400
µ
m 3,148 mV pk-pk
20 mA 5 V
SPAN Adjust Potentiometer
Refer to 5.1.2
ZERO Adjust Potentiometer
Refer to 5.1.1
Test Signal Input Pin
Refer to 5.1.2
Do not change.
Manufacturer use only.
Remove name plate.
TARGET
1 mm
V
A
250
Ω
1 mm
TARGET
V
A
250
Ω
OSCILLATOR
A V
A V
* Sin. wave =300 Hz