Honeywell CD3000M User Manual page 27

Honeywell
6.2.4 Calibration
This procedure it's necessary to give set point to Heater Break. The unit reads the load current
many times and when the value is the same for three times take it as set point.
Calibration procedure:
• verify that connections are correct;
• supply the thyristor unit;
• push "CAL" button on front of the unit (for S9) or on the PCB board
(for S12), or supply with 24Vdc terminals 15 (+) and 16 (-) or send
command via RS485;
• the thyristor unit goes in conduction state to measure load current;
• all LEDS are ON, this means that calibration procedure is active;
• after one minute LEDS for H.B. and S/C switch off (calibration
procedure is done);
the thyristor unit is ready to work.
www.honeywell.com/imc
CD3000M-1PH from 125A to 700A
26
User's Manual
Cal. for S9 size
Cal. for S12 size