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6 Parameter Settings and Functions

If using a single output heater (Capacity: 200VAC, 1KW, 5A), normal heater current is 5A, and

burnout heater current is 0A, the set value is calculated as (5A + 0A)/2 = 2.5A. Therefore, heater

current values less than 2.5A will be deemed heater burnout and the alarm will activate.

When two output heaters (Capacity: 200VAC, 1KW, 5A) are used, normal heater current is 10A

(5A ×2). If a single heater burns out, the heater current becomes 5A. The set value is calculated

as (10A + 5A)/2 = 7.5A). Heater current values of less than 7.5A are deemed heater burnout and

the alarm activates.

6.4.10 Alarm output deactivation [PAR5 → DI-K→ AlRE]

Available only if alarm output option is set to alarm latch or alarm latch and standby sequence1,

alarm latch and standby sequence2. It can be set to turn OFF alarm output when alarm output is

ON, alarm output conditions have been removed, or an alarm output deactivation signal that is

greater than the minimal signal band is received. (However, alarm output deactivation is

unavailable when alarm conditions remain in effect.)

You can assign the front panel's digital input key or the digital input terminals (DI-1, DI-2) for the

alarm output deactivation feature.(regardless of parameter mask)

(1) Deactivating alarm output using digital input key

If the digital input key has been assigned for alarm output deactivation and the alarm output

option is set to alarm latch or alarm latch and standby sequence, press and hold the front

panel's keys when alarm output is on.

For detailed information on digital input key settings, see 6.7.4.2 Digital input key.

(2) Deactivation of alarm output using digital input (DI) terminal

When the digital input (DI) terminal is assigned to alarm (output) OFF, the alarm output will

deactivate when digital input (DI) terminal goes into the on state (close). (the MAN indicator

turns ON).

For detailed information on digital Input (DI) key configuration, see ‘6.7.4.2 Digital input key’.

For detailed information on digital Input (DI) terminal configuration, see ‘6.7.4.1

Digital input

terminal settings [

PAR5 → DI-1/DI-2]’.

After deactivating the alarm output, it will function normally for the next alarm output

occurrence.

Autonics TK Series User Manual

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