Omron E5CN User Manual page 121

Calibrating Thermocouples
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6. Press the key to set the E5CN to the state on the left.
Set STV to "-9mV".
Allow the count value on the No.2 display to fully stabilize, then press the
key to temporarily register the calibration setup.
7. Press the key. The No.2 display changes to the state on the left when
the input type is 1, 3, 4, 7, 9, 10, 11, 12, 13, 14 or 15.
8. Set STV to "54mV".
Allow the count value on the No.2 display to fully stabilize, then press the
key to temporarily register the calibration setup.
9. Press the key. The No.2 display changes to the state on the left when
the input type is 1, 3, 4, 7, 9, 10, 11, 12, 13, 14 or 15. Set STV to "-9mV".
10. Allow the count value on the No.2 display to fully stabilize, then press the
key to temporarily register the calibration setup.
11. Press the key to set the E5CN to the state on the left.
12. Change the wiring as follows:
Open in non-connected state
STV
DMM
Leave open.
Zero
controller
OUTPUT
Disconnect the STV to enable the thermocouple of the cold junction com-
pensator. When doing this, be sure to disconnect the wiring on the STV
side.
13. Allow the count value on the No.2 display to fully stabilize, then press the
key to temporarily register the calibration setup.
14. Press the key. The No.2 display changes to the state on the left. Note
that the data to be temporarily registered is not displayed when it is not en-
tirely prepared.
Press the key. The No.2 display changes to "yes". Release the key
and wait two seconds or press the
registered calibration data to EEPROM. Data will not be stored to memory
if you press the
15. The calibration mode is quit by turning the power OFF.
INPUT
Compensating conductor of
currently selected thermocouple
Use K thermocouple
compensating conductor for E, R,
S and B thermocouples.
key. This stores the temporarily
key with "no" displayed on the No.2 display.
Section 6-3
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