Doc. SIE10166 Rev. 10 Page 24 of 28
4 PROTECTIONS
- Fuse on the mains supply.
- At power-on, a diagnostic sequence controls the microprocessors. If something is wrong, the
operator is alerted by a message.
- The test is started pressing the START pushbutton, and then also pushing the multifunction knob.
- During the test, the circuits driving the coils give alarm messages in case of: selected current range
exceeded; coil driver over-temperature.
- During the test, if the trigger criteria (coil current, auxiliary input, analog input) is not met within
the maximum test time, the test set displays a warning message.
- The 5 V transducer supply is protected against short circuit on the output, and against contact with
a voltage up to ± 500 V. In both instances, the circuit is not damaged.
- All inputs and outputs are isolated between them.
Shop for Power Metering products online at:
1.877.766.5412
www.PowerMeterStore.ca
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