Newport 8000 - Local Operation LM335 Sensor Calibration; Remote Operation LM335 Sensor Calibration

Chapter 6 Calibration 81
If, at any time prior to
TEC:R,
a command other than
TEC:R
or
TEC:R?
is sent to the 8000, the 8000 will cancel the calibration mode
and then process the command(s).
Once the
TEC:R
value is sent, the
OPC?
query may be used to
determine when the calibration is completed. The operation complete
flag (bit 0 of the Standard Event Status Register) may be used to trigger
an interrupt. This type of interrupt is enabled by setting bit 0 of the
Service Request Enable register and using the
*OPC
command.
6.3.6 Local Operation LM335 Sensor Calibration
a. With the TEC output off, connect a 3 kΩ metal film resistor and a
precision voltmeter in parallel at the sensor input of the TEC module.
b. Go to the single module display by first pressing the
MENU
button,
then the
Modules
soft key, then the slot soft key that corresponds to the
module to be calibrated.
c.
Press the
Setup
soft key and select the LM335 as the Sensor Type.
Press the
Prev
soft key to return to the single display.
d.
Go to the Calibration Screen. This is done by pressing the
Menu
button,
Config
soft key,
Calibrate
soft key; then the soft key(s) that
correspond to the module to be calibrated.
d. Enter the TEC sensor calibration mode by pressing the
Sensor
soft key.
Follow the on-screen instructions to complete the calibration. The
calibration can be canceled without affecting the stored constants if the
Cancel
soft key is pressed at any point prior to completing the
calibration.
6.3.7 Remote Operation LM335 Sensor Calibration
a. With the TEC output off, connect a 3 kΩ metal film resistor and a
precision voltmeter in parallel at the sensor input of the TEC module.
b. Enter the
TEC:CHAN
command to select the channel [,suchannel] to
be calibrated. Enter the
TEC:SEN 3
and
TEC:CAL:SEN
to select the
LM335 sensor and enter sensor calibration mode.
The 8000 will be ready to receive the voltage value when, after a
TEC:CAL:SEN?
query is sent, the response from the 8000 is "1".
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