Yokogawa PC-Based MX100 - Manual (Page 68)

2-54 IM MX180-01E
2.9 Settng Alarms and Alarm Indcatons
Procedure
Settng the Alarm
Rate-of-change interval
when the Type is set to
rHigh and rLow
Scroll to the right to
display alarms 1 to 4
Hysteresis of alarm 2
Alarm value of alarm 2
Alarm 2 type
Hysteresis of alarm 1
Alarm value of alarm 1
Alarm 1 type
For computation
channels Click here
1. Click Channel to show the Channel setup screen.
2. Click the Meas. Channel tab or the Math Channel tab.
3. In the Type list, select the alarm type for Alarm 1, Alarm 2, Alarm 3, or Alarm 4.
When not using difference input on measurement channels, select OFF, High, or Low. When
using difference input, select OFF, dHigh, or dLow.
On computation channels, select OFF, High, Low, rHigh, or rLow.
4. Click the value box, and enter the alarm value.
5. Click the Hysteresis box, and enter the alarm hysteresis value.
6. If you selected a rate-of-change alarm rHigh or rLow for the alarm type, select the
interval used to detect the rate-of-change from the Interval of rate-ofchange alarm
list box.
Showng/Hdng Alarms
1. Click Monitor to show the Monitor screen.
2. Click the Alarm ON/OFF button.
Show/Hide alarm
Alarm display area
Switch the active channel