Models 2510 and 2510-AT User’s Manual Basic Operation 3-13
Step 8: Turn output off.
When finished, turn the output off and halt PID control by sending:
:OUTP OFF
Protection limits
Protection limits for the four functions are discussed below. Table 3-8 summarizes protec-
tion limit characteristics.
NOTE For temperature and resistance, the upper limit cannot be set below the lower
limit and the lower limit cannot be set above the upper limit. Also, the setpoint
cannot exceed limit setting(s).
Table 3-8
Protection limit characteristics
Function Limit range
Output
Inhibited?* Display message
Temperature** Lower limit: -50 to +250°C
Upper limit: -50 to +250°C
Yes
Yes
UNDER-TEMP
OVER-TEMP
Voltage 0.5 to 10.5V No VLIM
Current 1.0 to 5.25A No ILIM
Resistance** Lower limit:
1Ω to 200Ω (100Ω RTD or thermistor)
5Ω to 2kΩ (1kΩ RTD or thermistor)
50Ω to 20kΩ (10kΩ thermistor)
500Ω to 200kΩ (100kΩ thermistor)
Upper limit:
50Ω to 1kΩ (100Ω thermistor)
500Ω to 9.999kΩ (1kΩ thermistor)
5kΩ to 80kΩ (10kΩ thermistor)
50kΩ to 200kΩ (100kΩ thermistor)
50Ω to 250Ω (100Ω RTD)
500Ω to 3kΩ (1kΩ RTD)
Yes
Yes
UNDER-OHMS
OVER-OHMS
* Yes indicates that output turns off if limit is exceeded and cannot be turned on when in limit.
**Lower limit cannot be set above upper limit. Upper limit cannot be set below lower limit.
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