2. SETTING
IMCB04-E9
9
(3) SL3 (Heater break alarm [HBA], control loop break alarm [LBA], special
specification, or control loop break alarm [LBA] output selection )
Cannot be used the heater break alarm (HBA) for the following instruments.
• Instrument without the second alarm (ALM2) output.
• Instrument of the process alarm, deviation alarm, band alarm, SV alarm or control loop
break alarm (LBA) is used as the second alarm (ALM2).
• Instrument whose control output is the current output type.
Cannot be used the control loop break alarm (LBA) for the following instruments.
• Instrument without both the first alarm (ALM1) output and the second alarm (ALM2) output.
• Instrument whose control action is the A type or W type.
Cannot be output the control loop break alarm (LBA) from the first alarm (ALM1) for the
following instruments.
• Instrument without the first alarm (ALM1) output.
• Instrument of the process alarm, deviation alarm, band alarm or SV alarm is used as the
first alarm (ALM1).
Cannot be output the control loop break alarm (LBA) from the second alarm (ALM2) for the
following instruments.
• Instrument without the second alarm (ALM2) output.
• Instrument of the process alarm, deviation alarm, band alarm, SV alarm or heater break
alarm (HBA) is used as the second alarm (ALM2).
• Instrument with the Z-168 specification.
Factory set value varies depending on the instrument specification.
Set value Description
0 Heater break alarm (HBA) not provided Heater break alarm (HBA)
1 Heater break alarm (HBA) provided *1 selection
0 Control loop break alarm (LBA) not provided Control loop break alarm (LBA)
1 Control loop break alarm (LBA) provided selection
0 Z-132 specification not provided *2 Special specification selection
1 Z-132 specification provided *3
0 LBA is output from first alarm Selection of control loop break
1 LBA is output from second alarm alarm (LBA) output terminals
*1 When be shipped with “heater break alarm (HBA) provided,” “Z-132 specification provided” is
set.
*2 Normal HBA action.
*3 If heater break or welding continues for more than three seconds, a heater break alarm (HBA) will
occur.
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