Model 7700 Multiplexer Module Instructions for use with DAQ6510
077144300 / April 2018 11
Calibration
The following procedure calibrates the temperature sensors on the modules.
Do not attempt to perform this procedure unless qualified to do so. Failure to recognize and
observe normal safety precautions could result in personal injury or death.
Recommended test equipment
To calibrate the module, you need the following equipment.
Digital thermometer: 18 °C to 28 °C ±0.1 °C
Keithley 7797 Calibration/Extender Board
Extender board connections
The extender board is installed in the DAQ6510. The module is connected to the extender board externally to
prevent heating of the module during calibration.
To make extender board connections:
1. Remove power from the DAQ6510.
2. Install the extender board into Slot 1 of the instrument.
3. Plug the module into the P1000 connector on the rear of the 7797 Calibration/Extender Board.
Calibration
Before calibrating the temperature on the module, make sure that power has been removed from the
module for at least two hours to allow module circuitry to cool down. After turning on the power
during the calibration procedure, complete the procedure as quickly as possible to minimize module
heating that could affect calibration accuracy. Initially allow the DAQ6510 to warm up for at least one
hour with the 7797 calibration card installed. If you are calibrating multiple modules sequentially, then
power off the DAQ6510, quickly unplug the previously calibrated module, and plug in the next one.
You must use remote commands to run calibration. Refer to the DAQ6510 reference manual (document
number DAQ6510-901-01) for information on setting up remote communications.
To set up calibration:
1. Turn on the DAQ6510 power.
2. To make sure that the instrument is using the SCPI command set, send:
*LANG SCPI
3. Turn power off, and turn power back on.
4. On the front panel, verify that TERMINALS is set to REAR.
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