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(b) How to execute sensor two-point correction (when using the program)
Follow the instructions below.
*1 Enter the value using devices such as a thermocouple, platinum resistance thermometer, and standard DC voltage
generator, or based on a general resistance value.
*2 When the latch is completed, the temperature process value (PV) is stored in CH Sensor two-point correction offset
value (measured value) (Un\G544, Un\G576, Un\G608, Un\G640). ( Page 142, Section 3.4.2 (58))
*3 When the latch is completed, the temperature process value (PV) is stored in CH Sensor two-point correction gain
value (measured value) (Un\G546, Un\G578, Un\G610, Un\G642). ( Page 143, Section 3.4.2 (60))
Set Sensor correction function selection
(Un\G785) to Sensor two-point correction (1
H
).
Turn on Setting change instruction (YnB).
Set a temperature process value (PV) in CH
Sensor two-point correction gain value
(corrected value) (Un\G547, Un\G579, Un\G611,
Un\G643).
Check that Setting change completion flag
(XnB) is on.
Turn off Setting change instruction (YnB).
Enter a correction offset value.*
1
Enter a correction gain value.*
1
Set a temperature process value (PV) in CH
Sensor two-point correction offset value
(corrected value) (Un\G545, Un\G577, Un\G609,
Un\G641).
Set CH Sensor two-point correction offset
latch request (Un\G548, Un\G580, Un\G612,
Un\G644) to Latch request (1).
Check that CH Sensor two-point correction
offset latch completion (Un\G549, Un\G581,
Un\G613, Un\G645) is Latch completed (1).
*2
Set CH Sensor two-point correction offset
latch request (Un\G548, Un\G580, Un\G612,
Un\G644) to No request (0).
Set CH Sensor two-point correction gain
latch request (Un\G550, Un\G582, Un\G614,
Un\G646) to Latch request (1).
Check that CH Sensor two-point correction
gain latch completion (Un\G551, Un\G583,
Un\G615, Un\G647) is Latch completed (1).
*3
Set CH Sensor two-point correction gain
latch request (Un\G550, Un\G582, Un\G614,
Un\G646) to No request (0).
1
Set CH Stop mode setting (Un\G33, Un\G65,
Un\G97, Un\G129) to Monitor (1).
Setting start
Switch the module to the setting mode (turn off
Setting/operation mode instruction (Yn1)).
2
End
Switch the module to the operation mode (turn
on Setting/operation mode instruction (Yn1)).
Is the ERR.LED off?
Go back to 1 or 2.
YES
NO
Page 56, Section 3.3.3 (1)
Page 103, Section 3.4.2 (13)
Page 142, Section 3.4.2 (59)
Page 144, Section 3.4.2 (62)
Page 144, Section 3.4.2 (63)
Page 144, Section 3.4.2 (62)
Page 143, Section 3.4.2 (61)
Page 144, Section 3.4.2 (64)
Page 145, Section 3.4.2 (65)
Page 144, Section 3.4.2 (64)
Page 58, Section 3.3.3 (6)
Page 58, Section 3.3.3 (6)
Page 54, Section 3.3.2 (9)
Page 56, Section 3.3.3 (1)
Page 159, Section 3.4.2 (87)