Yokogawa Button Operated DX2000 - Manual (Page 105)

Measurement Channels and
Alarms
3-9
IM 04L42B01-01E
1
2
3
4
5
6
7
8
9
10
11
12
13
App
Index
Reset
Alarm ACK
Relay is activated on the next alarm occurrence
Alarm output relay
Alarm 2
Alarm 1
Activated
Alarm
occurrence
Alarm
occurrence
Deactivated
• Hysteresis > Meas CH
• High/Low
Sets the hysteresis width of the alarm occurrence/release of the high/low limit alarm
specified on measurement channels.
Selectable range: 0.0% to 5.0% of the span or scaling width
• Delta High/Low
Sets the hysteresis width of the alarm occurrence/release of the difference high/low
limit alarm specified on measurement channels.
Selectable range: 0.0% to 5.0% of the span
• Hysteresis > Math CH (/M1 and /PM1 options) and Ext. CH (/MC1 option)
Sets the hysteresis width of the alarm occurrence/release of the high/low limit alarm
specified on computation and external input channels.
Selectable range: 0.0% to 5.0% of the measurement span
3.5 Setting the Auxiliary Alarm Function