3-6 Basic Operation Models 2510 and 2510-AT User’s Manual
Configuring DC resistance
Using Table 3-4 as a guide, configure the resistance function as follows:
1. Press CONFIG then R to access the resistance configuration menu.
2. Select TEMP-CONTROL, then press ENTER.
3. Select PROTECTION, then press ENTER.
4. Select CONTROL, then press ENTER.
5. Select ENABLE, then press ENTER.
6. Select LOLIM, then press ENTER. Set the low resistance limit to the desired value,
then press ENTER.
7. Select HILIM, then press ENTER. Set the high resistance limit to the desired
value, then press ENTER.
8. Press EXIT to return to the CONFIG RESISTANCE menu.
9. Select SENSOR-TYPE, then press ENTER.
10. Choose either THERMISTOR or RTD sensor type, then press ENTER.
11. Program the settings for the selected temperature sensor. For example, for an RTD
sensor, choose the following:
• TYPE: Select PT385, PT3916, PT100, D100, F100, or USER type. (For
USER type, set α, β, and δ.)
• RANGE: Select 100 or 1000.
• I-SRC: Set RTD current (AUTO, 3.3µA, 10µA, 33.3µA, 100µA, 833.3µA, or
2.5mA).
• SENSE-MODE: Choose 2-WIRE or 4-WIRE sensing. (Use 4-wire for sensors
<1kΩ).
12. From the CONFIG RESISTANCE menu, choose PID, then press ENTER.
13. Program the PROPORTIONAL, INTEGRAL, and DERIVATIVE constants as
required.
14. After programming, press EXIT as necessary to return to normal display.
Configuring AC resistance
1. Press CONFIG then R to access the resistance configuration menu.
2. Select AC-OHMS, then press ENTER.
3. The output will turn off (if enabled), and the Model 2510 will then display the AC
resistance of the TEC whenever the resistance function is enabled by pressing the
R function button.
4. To return to DC resistance operation when the resistance function is enabled, enter
the resistance configuration menu, select FUNCTION, then press ENTER.
(To configure DC resistance, select TEMP-CONTROL, then program parameters
as usual.)
NOTE See “AC ohms measurement,” page 2-7, for more information.
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