AQTRONIC M27 Ohmic Sensor Module Instruction Manual
- June 15, 2024
- AQTRONIC
Table of Contents
M27 Ohmic Sensor Module
Device information.
The unit is a analog ohmic sensor comparator that works by analyzing
resistance changes between special Ohmic consumable attached to the Plasma
torch nozzle and the cutting piece or machine’s table.The sensor activates the
output when the resistance value at the detector input is less than the stored
threshold value.
Always use the Ohmic sensor with a backup sensing system like FloatHead
(mechanical Touch-off) that will stop down motion or magnetic torch holder if
the sensor fails to work. This can happen on dirty, oily, rusty or painted
metal. Keep the tip of the nozzle on your torch clean and free from trash and
slag.
Be aware that since electrical contact is required. The late must not be
coated or covered in nonconductive material. Please note that if you use a
water table, the torch shield gas tends to splash the water around and the
result is that it gets on
the torch, which closes the Ohmic circuit or that the torch will do down into
a puddle of water on the plate, which could result in a miss cut. More care
needs to be taken when using ohmic sensing over water.
Specification:
Power : 12…36VDC
Output : Opto Isolated – Low active
Sensing range – (0 – 1) MOhm
Ability to adjusting the ohmic sensor sensitivity
Ability to eliminate HV/HF ionizing voltage
Unit setting:
Confirm the power supply and I/O signal circuit.
Turn on OHMIC. The red light (PWR light) will light up, rotate the sensitivity
trimmer clockwise until the blue led (PRB) lights up, the alarm buzzer is also
noisy.At this point, slowly turn the sensitivity trimmer counterclockwise
until the blue led turns off.
The unit is ready for use.