NAiS KT7, Инструкция по эксплуатации

Страница: 11 / 26

Heater burnout alarm setting
•
Sets the heater current value for Heater burnout alarm.
• Setting the value to 0.0 disables the function.
• Self-holding is not available for the alarm output.
When alarm and Loop break alarm are applied together,
the output is common.
• Available only when Heater burnout alarm is added.
• Rating 5A : 0.0 to 5.0A Rating 10A: 0.0 to 10.0A
Rating 20A: 0.0 to20.0A Rating 50A: 0.0 to 50.0A
0.0A
Loop break alarm action time setting
•
Sets the action time to assess the Loop break alarm.
• Setting the value to 0 disables the function.
• When alarm and Heater burnout alarm are applied together,
the output is common.
• Setting range: 0 to 200 minutes
0 minutes
Loop break alarm action span setting
•
Sets the action span to assess the Loop break alarm.
• Setting the value to 0 disables the function.
• When alarm and Heater burnout alarm are applied together,
the output is common.
• Setting range
Thermocouple and RTD inputs: 0 to 150 ( ) or
0.0 to 150.0 ( )
DC voltage and current inputs: 0 to 1500 (The placement of the
decimal point follows the selection)
0
(Table
5.3-1)
Alarm action type Setting range
High limit alarm –(Scaling span) to scaling span
Low limit alarm –(Scaling span) to scaling span
High/Low limits alarm 0 to scaling span
High/Low limit range alarm 0 to scaling span
Process high alarm Scaling low limit value to scaling high limit value
Process low alarm Scaling low limit value to scaling high limit value
High limit alarm with standby –(Scaling span) to scaling span
Low limit alarm with standby –(Scaling span) to scaling span
High/Low limits with standby 0 to scaling span
Negative low
limit value is
–199.9 or
–1999.
Positive high
limit value is
999.9 or 9999.
5.4 Auxiliary function setting mode 1
Character Name, Description, Setting range Default value
Setting value lock selection
•
Locks the setting value to prevent setting errors.
The setting item to be locked depends on the designation.
• When Lock 1 or Lock 2 is designated, PID auto-tuning cannot
be carried out.
• (Unlock): All setting values can be changed.
(Lock 1): None of setting values can be changed.
(Lock 2): Only main setting mode can be changed.
Unlock
(Lock 3): All setting values can be changed except
Controller/Converter
function selection. However they return to their former value
after power is turned off because they are not saved in the
non-volatile memory.