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FX2N-2LC Temperature Control Block
8.1
Program example
This paragraph introduces an example of program to operate the FX
Condition
Input range
PID values
Alarm
Alarm dead zone
Control response
Operation mode
Control output cycle : 30 sec (initial value)
Normal/reverse
operation
Loop breaking
alarm judgement
time
Temperature rise
completion range
CT monitor method
The control output cycle, output limiter, output change ratio limiter, loop breaking alarm judge-
ment time, alarm dead zone, heater disconnection alarm, sensor correction value, adjustment
sensitivity (dead zone), primary delay digital filter, setting change ratio limiter, auto tuning bias,
setting limiter and the temperature rise completion soak time are not set. (The initial values
are used.)
Device assignment
Inputs
X000: Performs initialization when the power is turned on from off.
X001: Resets errors when the power is turned on from off.
X002: Control start (ON)/stop (OFF)
X003: Performs auto tuning when the power is turned on from off (CH1).
X004: Performs auto tuning when the power is turned on from off (CH2).
X005: Writes the EEPROM when the power is turned on from off.
Auxiliary relays
M0 to M15: Flags
M20 to M35: Events (CH1)
M40 to M55: Events (CH2)
: Model K -- 100.0 to 400.0 °C
: Set by auto tuning
: Upper limit deviation alarm with re-wait and lower limit deviation alarm with re-
wait
: 1% (initial value)
: Medium
: Monitor + Temperature alarm + Control (initial value)
: Reverse operation (initial value)
: 480 sec (initial value)
: 3 °C
: ON current/OFF current (initial value)
Program Example 8
-2LC.
2N
8-2
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