<7. HART Communication>
7-18
IM 01C25W05-01EN
• Setting screen of DTM
Menu:[Device]→[Additional Functions]→[Signal
Characterization]
7.2.3.15 Alarm Setup
An alarm can be indicated on the display when the
input value (device variable) exceeds the threshold.
Differential pressure, pressure and capsule
temperature can be assigned.
For the displayed alarm information, see Table 8.3,
“Error Message Summary.”
(1) Setting the alarm source
Select the alarm source using the Process Alert
parameter, and set the alarm mode for that source.
• Recalling and setting alarm parameters
Recall
parameters
[Root menu] → Detailed setup →
Output condition → Process Alerts →
Select the
alarm source.
DP Alert →
DP alert mode: Differential pressure
Pres 1 Alert →
Pres 1 alert mode: Module 1 side
pressure
Pres 2 Alert →
Pres 2 alert mode: Module 2 side
pressure
Temp 1 Alert →
Temp 1 alert mode: Module 1 side
capsule temperature
Temp 2 Alert →
Temp 2 alert mode: Module 2 side
capsule temperature
Select the
alarm mode.
Off: Disable alert detection
Hi. Al Detect: Detect high side alerts
Lo. Al Detect: Detect low side alerts
Hi/Lo. Al Detect: Detect both high side
and low side alerts
(2) Setting the threshold
Set the upper and lower threshold levels for
generating alarms.
• Recalling threshold parameters
Recall
parameters
[Root menu] → Detailed setup →
Output condition → Process Alerts →
DP Alert →
Select differential pressure, and set the
threshold.
Pres 1 Alert →
Select module 1 side pressure, and set
the threshold.
Pres 2 Alert →
Select module 2 side pressure, and set
the threshold.
Temp 1 Alert
→
Select module 1 side capsule
temperature, and set the threshold.
Temp 2 Alert
→
Select module 2 side capsule
temperature, and set the threshold.
For the selected source, assign thresholds for the
parameters shown below.
Parameter
Description
DP Hi alert val Set the threshold for the high limit side
alarm for differential pressure.
DP Lo alert val Set the threshold for the low limit side
alarm for differential pressure.
Pres 1 Hi alert
val
Set the threshold for the high limit side
alarm for module 1 side pressure.
Pres 1 Lo alert
val
Set the threshold for the low limit side
alarm for module 1 side pressure.
Pres 2 Hi alert
val
Set the threshold for the high limit side
alarm for module 2 side pressure.
Pres 2 Lo alert
val
Set the threshold for the low limit side
alarm for module 2 side pressure.
Temp 1 Hi
alert val
Set the threshold for the high limit
side alarm for module 1 side capsule
temperature.
Temp 1 Lo
alert val
Set the threshold for the low limit
side alarm for module 1 side capsule
temperature.
Temp 2 Hi
alert val
Set the threshold for the high limit
side alarm for module 2 side capsule
temperature.
Temp 2 Lo
alert val
Set the threshold for the low limit
side alarm for module 2 side capsule
temperature.
Содержание DPharp EJXC40A
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