HNV-970 Series
HITROL CO., LTD.
7
Wiring
Operating
- Wiring shall be performed after confirming of power source, AC 110V, AC 220V or DC +24V.
- In case of DC power, +, - shall be wired correctly.
- Make sure that wiring shall not be carried out when the power is supplying.
- When wiring of HVN-970 to HLC-970L, use CVVS1.25^2 x 2C cable and maximum
distance between sensor and control unit is 500 meter.
- Power and LOW / MIDDLE SENSITIVITY LEDs are on when the power is supplied. When
the medium is detected, LOW / MIDDLE SENSITIVITY LEDs are off and Relay LED is on.
No need separate setting by user because it is basically set by factory.
- If the setting at the site is newly required, adjust VR1 and VR2 to LEDs to be off and
adjust VR1 until Red LED of LOW SENSITIVITY is on. After that, adjust SPAN to be
detected turning yellow LED on additionally.
Sensor
Control Unit
If frequency is adjusted at the site, it causes a malfunction so make sure to do not set it.