<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
O:
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
(dierential 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