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AEM32 DIN User Manual

Safety

This instrument is manufactured in compliance with EN61010-1 cat. III for nominal operating
voltages of 400V L-L and 230V L-N. To ensure safe operation the user must comply with the
following instructions:
Ensure that the supply voltage is correct.
The auxiliary mains supply is internally fused at 250V, 100mA Type 2, external fusing is required
if the auxiliary supply voltage exceeds 250V.
Maintenance and/or repairs must be carried out only by qualified, authorised personnel.
If there is ever the suspicion that safe use is no longer possible, the instrument must be
disconnected and precautions must be taken against accidental use.
Operation is no longer safe:
1)
If there is clearly visible damage
2)
If the instrument no longer functions
3)
After prolonged storage in unsuitable conditions.

Operator safety

Read these instructions carefully before installing and utilising the instrument.
The instrument described in this user manual is intended for use by properly trained staff only.
Maintenance and/or repairs must be carried out by authorised personnel only. For proper, safe use
of the instrument and for maintenance and/or repair, it is essential that the persons instructed to
carry out these procedures follow normal safety precautions.

Symbols

CAUTION: Failure to follow the instructions may result in personal injury or damage to
equipment.
NOTE: Failure to follow the instructions may result in an instrument malfunction.

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Summary of Contents for Elcomponent AEM32

  • Page 1 AEM32 DIN User Manual Safety This instrument is manufactured in compliance with EN61010-1 cat. III for nominal operating voltages of 400V L-L and 230V L-N. To ensure safe operation the user must comply with the following instructions:  Ensure that the supply voltage is correct.
  • Page 2 AEM32 DIN User Manual Connection of the current input The AEM32 is suitable for use with current transformers (CTs) with 5A secondary output. Metering quality CTs of Class 1 accuracy with a minimum rating of 2.5VA are recommended. Connections should be made according to the diagrams below.
  • Page 3: Instrument Operation

    AEM32 DIN User Manual Pulse output connections CAUTION: The pulse output contacts are rated at 100mA AC/DC, 100V max. Under no circumstances should this rating be exceeded. The output has a telltale LED on the front panel which flashes ‘on’ to indicate a pulse being generated.
  • Page 4 AEM32 DIN User Manual Programming CT SET-UP The instrument must be set up for the CTs to which it is connected. This need only be done once, after which the setting is maintained in memory for the life of the unit regardless of whether it is powered up or not.
  • Page 5: Technical Characteristics

    AEM32 DIN User Manual Technical Characteristics 3 Phase 3 or 4 wire Unbalanced, Connection: 3 Phase Balanced, Single Phase Load Voltage: 400/230V 3 Phase 3/4 wire Inputs: Current: 5A – External CTs. Fully isolated. Burden: <0.1VA per phase Current/Voltage Opto isolated volt free contact...

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