Manual

<Appendix2. ILBD Check List>
A2-1
IM 01C25T01-06EN
Appendix 2. ILBD Check List
Fill out the below checklist according to the operation ow of the ILBD in order to keep the important
information for the blockage detection.
Checklist (1/5)
No. Items Parameters Result Example
1 4-20 mA Analog Signal Setting
• Select the output mode when an alarm is
generaed.
Diag Out Option
Off:  
Burnout:  
Fall back:  
Diag Fixed Out Val mA 21.6 mA
2 Status Output
DO Select
Pres:  
SP:  
Temp:  
Diag:  
All:  
3 Stability of Pres
(differential pressure/pressure)
under normal condition
• Check that the status of Pres is “GOOD”.
• Check the maximum and minimum values of
Pres.
Status Good
Pres
Max.:
Min.:
Max.: 12.3 kPa
Min.: 12.1 kPa
4 fDP under normal condition
• Check that the value of fDP is more than
7x10
-10
.
fDP
 
5 Start to obtain Reference values
• Set "Reference" to Diag Mode.
Diag Mode
 
6 End of Reference Value Sampling
• Check that Diag Mode is “Calculation” after
the time set to "Diag Period" passed.
Diag Mode
 
7 Alarm setting
• Record the status of Checkbox in Diag
Option.
Diag Option
A Blocking
 
Large Fluct L
 
Large Fluct H
 
L Side Blocking
 
H Side Blocking
 
B Blocking
 
Invalid Ref F
 
Invalid Ref SPH
 
Invalid Ref SPL
 
Invalid Ref DP
 
ILBD over range
 