Model OUM980 with OUSAF21 Inline Sensor
Commissioning
29
Configure Output Relay
Enter from MAITENANCE sub-menu. Scroll to the ALARM CONFIG
screen. Use
to select the ALx line. Press
to select
and confirm.
The ‘ALARM 1 SETUP’ screen will appear. Select the SOURCE option,
PV1 or PV2.
Next with
select the CONFIG option. Use
to select OFF, HIGH and LOW.
Press
to scroll down to ALARM 1 SETUP STATE screen.
selects either normally open (N/O) or normally closed
(N/C) alarm state of the relay contacts. Select the N/O option and
press
to accept and confirm.
The CHANGE ALARM 1 DELAY is next displayed. Set the needed
delay. Delay time unit is second. Press
to accept and confirm.
The CHANGE ALARM 1 HYSTS option controls the alarm hysteresis. If
the alarm set point is set 1.00 OD and the hysteresis is 0.100 OD, an
alarm condition exists at 1.00 OD and will stay in alarm until the PV is
0.90 OD or less. Hysteresis can be called the deadband between an
alarm on and off condition. Set the hysteresis to 0.100 OD and
press
to accept and confirm.