Autonics TM Series, User Manual

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6 Parameter Settings and Functions
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below than LBA detection band (
LBA.B
)
during LBA monitoring time (
LBA.T
)
, alarm
output turns ON.
Common Causes of LBA Output On

Sensor error (disconnection, short)

External controller error (magnet, auxiliary relay, etc.)

External load error (heater, cooler, etc.)

Misconnections and disconnections of external network

Set alarm output mode(
AL-
□
) as loop break alarm (
LBA
) and
you can use loop break alarm.

LBA operates only when control output MV is low limit (
L-MV
),
0%, high limit (
H-MV
), or 100%.

In case of AT (auto-tuning)/manual control/stop control, loop
break alarm (
LBA
) does not operates
When alarm reset is input, it initializes LBA monitoring start time.
6.4.8.1 LBA Monitoring Time Settings
You can set the loop break monitoring time to check changes in the control subject's
temperature. Automatically setting with auto-tunning.
Group Parameter Range
Factory
Default
Unit
Alarm Setting Group
LBA Time_Ch1,
LBA Time_Ch2
0~9999 0 Sec.