Newport 8000 - Local Operation AD590 Sensor Calibration; Remote Operation AD590 Sensor Calibration

80 Chapter 6 Calibration
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.
6.3.4 Local Operation AD590 Sensor Calibration
a. With the TEC output off, connect a precision 16 kΩ metal film resistor
and a precision ammeter in series 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 AD590 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.
e. 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.
6.3.5 Remote Operation AD590 Sensor Calibration
a. With the TEC output off, connect a precision 16 kΩ metal film resistor
and a precision ammeter in series 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 4
and
TEC:CAL:SEN
to select the
AD590 sensor and enter sensor calibration mode.
The 8000 will be ready to receive the current value when, after a
TEC:CAL:SEN?
query is sent, the response from the 8000 is “1”.
c. Input the actual current measured, in µA, by the external ammeter (as
an <nrf value>) via the
TEC:R <nrf value>
command.
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