<4. Setting converter>
4-12
IM 12A01G01-03EN 1st Edition : Mar. 25, 2021-00
l Setpoint, Direction, Hysteresis, Delay time
Setpoint; This congures the value to activate contact output (S1/S2/S3: close, S4: open)
when an alarm occurs.
Direction: This selects “High” or “Low” to report the value is outside of the limit.
Hysteresis: This congures hysteresis of measurements.
Delay time: This congures Delay time to activate contact outputs after a measurement goes
beyond the Setpoint in Direction.
Setpoint
Hys.
SC
off on off
Delay time Delay time
t (sec)
Figure 4.5 Alarm contact (operation image)
4.4.2 Maintenance
When mA output is held or the condition of auto hold is satised, contact outputs are activated
(S1/S2/S3: close). Select from “mA1” “mA2” “mA3” “mA4” to assign mA output to Maintenance
contact.
4.4.3 Wash
Contact output can activate FC800D wash but only with S3. Read user’s manuals of the free
available chlorine analyzers for further information.
4.4.4 Auto wash/cal status
When the sequence of auto wash or auto calibration runs, the contact becomes “ON”. (The
contact is ON during the recovery time as well.)
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