59
Note.
If the resistance of the external circuit in voltage generation is very
low (obvious short circuit), the message “O.LOAD” is displayed until
the load is reasonable.
Hint!
Low voltage generation can be used when calibrating instruments
with millivolt input. You can use it also to simulate special thermo-
couples not defined in MC5P. If you simulate a thermocouple in
millivolt mode, you must convert from temperature to millivolts manu-
ally.
Warning!
If you short circuit the voltage output, MC5P tries to maintain
the voltage by increasing the output current. If you then re-
move the short circuit, the voltage is first too high, but returns
quickly to the correct level. If this voltage peak could damage
the components of the circuit, make sure that the circuit can
not be shorted or protect the circuit against overvoltage. For
the same reason, always enter 0 V output before connecting
the circuit.
Next…
Voltage Measurement on page 38
Thermocouple Simulation on page 48
Special Generations on page 65
Calibration, see Part D.
Generating/Simulating
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