User manual

20
A1 value setting 0
• Sets the action point for A1 output.
Setting the value to 0 or 0.0 disables the function.
(excluding Process high and Process low alarm)
• Not available if No alarm action is selected during A1 type selection.
• Setting range: See (Table 5.4-1).
A2 value setting 0
• Sets the action point for A2 output.
Setting the value to 0 or 0.0 disables the function.
(excluding Process high and low alarm)
• Not available if A2 (option) is not added or if No alarm action is
selected during A2 type selection.
• Setting range and default value are the same as those of A1 value setting.
HB (Heater burnout alarm) value setting 0.0A
.
and
measured
current
value are
displayed
alternately.
• Sets the heater current value for Heater burnout alarm.
• Available only when the Heater burnout alarm (option) is added.
• When OUT1 is OFF, heater current value shows the previous value as
when OUT1 was ON.
• Setting the value to 0.0 disables the function.
It is recommended to set approx. 80% of the heater current value
(set value) considering the voltage fluctuation.
• Upon returning to set limits, the alarm will stop.
• Setting range: Rating 5A: 0.0 to 5.0A Rating 10A: 0.0 to 10.0A
Rating 20A: 0.0 to 20.0A Rating 50A: 0.0 to 50.0A
Setting range of A1 and A2
(Table 5.4-1)
Alarm type Setting range
High limit alarm –Input span to input span ( ) *1
Low limit alarm –Input span to input span ( ) *1
High/Low limits alarm 0 to input span ( ) *1
High/Low limit range alarm 0 to input span ( ) *1
Process high alarm Input range low limit to input range high limit *2
Process low alarm Input range low limit to input range high limit *2
High limit alarm with standby –Input span to input span ( ) *1
Low limit alarm with standby –Input span to input span ( ) *1
High/Low limits alarm with standby 0 to input span ( ) *1
• When the input has a decimal point, negative low limit value is –199.9, and positive
high limit value is 999.9.
• All alarm types except Process alarm are deviation setting from the SV.
*1: For DC input, the input span is the same as the scaling span.
*2: For DC input, input range low (or high) limit value is the same as the scaling low
(or high) limit value.
5.5 Auxiliary function setting mode 1
In the PV/SV display mode, if the key is pressed for approx. 3 seconds while
holding down the key, Auxiliary function setting mode 1 can be selected.
The set value can be increased or decreased by pressing the or key.
If the key is pressed, the set value is registered and the next setting item is
selected.