8. PARAMETER DESCRIPTION
IMR02C15-E4
8-123
Dummy
F45
Number of HBA delay times
To prevent false alarming, the alarm function will wait to produce an alarm until
the measured CT input value is in the alarm range for the preset number of
consecutive sampling cycles.
Data range Factory set value
0 to 255
3
Related parameters
Parameter setting mode:
• Heater break alarm 1 (HBA1) set value (P. 8-31)
• Heater break alarm 2 (HBA2) set value (P. 8-31)
Engineering mode:
• CT ratio (P. 8-122)
îš„ Description of function
Heater break alarm (HBA) delay time = Number of delay times × Sampling time *
* The shortest cycle of sampling is 1 second. Depending on the load rate, there may be a difference in the HBA delay
time.
Example:
Sampling time: 1 second
Number of delay times: 3 times (factory set value)
HBA delay time = 3 times × 1 second = 3 seconds
HbC
HBA state
ON
OFF
HBA ON state
HBA ON
HBA delay time
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