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INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS KPM163FQx

INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS KPM163FQx
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INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS KPM163FQx - 1

INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS KPM163FQx • Designed for non-grounded networks with Frequency Converters • Direct connection up to 690V line voltage, up to 1.4kV with HV adapter CH163/1,4 • Monitoring during both live and standby conditions • For use in land, marine and offshore Installations • Complies with IMCA D 045 Code of Practice • ”Megger” - safe to 1.4kVDC when aux power is OFF • Immune to earth capacitance and voltage surges • Analogue output proportional to meter reading Application Specifications Auxiliary Supply: Optional Voltage: Supply tolerance: Power rating: Contact rating: Analogue Output: F-versions The digitally controlled KPM163FQx is designed to monitor the insulation level between a nongrounded (IT) AC mains and its protective earth in systems with frequency converters . The unit is for land, marine and offshore use. An AC or DC auxiliary voltage is required for the unit, if powered from a separate source the network can also be monitored during inactive (standby) conditions. Only ONE KPM163FQx can be connected to each IT-system. The ohmmeter and the triple-zone status LEDs give at a glance the clear safety message: Temperature: Weight: Front protection: - ALARM (red zone) - WARNING (yellow zone) - HEALTHY (green zone) General INTELLIGENT SETTING ASSISTANCE KPM163FQx has a built-in Assistance tool for setting/verification of the trip levels and the analogue output. When either the Warning or Alarm potmeter on the rear is operated by user, the meter goes into Assistance Mode and meter reading and analogue output will reflect the potmeter setting (the blue LED will be lit in this mode). How to set alarm levels: Firstly adjust potmeter fully clockwise (see that meter goes to the top), then adjust potmeter down to required Warning or Alarm setpoint. IDV MEASURING PRINCIPLE Insulation is measured between the complete galvanically interconnected AC network and its protective earth. The unit injects a DC measuring signal into the monitored system. The signal flows to ground via the path of the insulation fault, the level of flow indicates the insulation resistance. The measuring accuracy is not influenced by any normal kind of load attached to theAC network. This unit is used for any land, marine or offshore installations. Start of monitoring function is delayed when auxiliary power is switched on (default 10 secs delay). The unit has minimum of 9 seconds detection time for any insulation fault. Without any movement of potmeters, the meter will revert to normal Insulation Monitoring Mode after approximately 10 seconds. Trip levels and delays are settable on unit rear. A trip LED flashes when the trip level is passed, the relay trips when the delay has elapsed. The timer resets if the fault is removed during countdown. How to test analogue output signal: Adjust any trip level potmeter to activate Assistance Mode. Example: On a 4-20mA output, adjust potmeter fully anti clockwise for 4mAand fully clockwise for 20mA. MEGGER SAFE When auxiliary power is OFF the unit input is automatically protected against “megger” test voltages up to 1.4kVDC, and incorrect measurements caused by the unit’s input impedance are avoided. The KPM163FQx range is designed to comply with specification IMCA D 045 “Code of Practice for the Safe Use of Electricity Under Water” issued by IMCA. The unit meets EN 61010-1 Cat. III, Pollution degree 2 and the relevant environmental and EMC tests specified in EN 61326-2-4 to comply with the requirements of the major Classification Societies. OUTPUTS The KPM163FQx has an isolated analogue output proportional to meter reading. If output is used for remote meter reading, we recommend 0-1mAfor the slave indicator. SAFETY When a voltage adapter (CHx) is used the signal to terminals 4 and 6 on KPM163FQ is limited to a safe level, avoiding any dangerous voltage exposure to personnel. Norway Denmark United Kingdom www.megacon.com ELECTRONIC CONTROL AND INSTRUMENTATION Page: 1 of 2 REF: Datasheet.KPM163FQx - REV: 2.01/01.2018 © All rights reserved to Megacon Megacon reserves the right to make any changes

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INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS KPM163FQx - 2

INSULATION GUARD FOR IT-NETWORKS W/FREQUENCY CONVERTERS ~ Relays shown de-energised, a fail-safe relay energises when unit is powered. Reset (only latching versions) KPM163FQ and KPM163FQG have an analogue output proportional to meter reading. (Special outputs are available on request) Add suffix from table below to type designation to specify output required: O/P1 0 - 10mA O/P6 N/A O/P2 0 - 20mA O/P7 N/A O/P3 4 - 20mA O/P8 0 - 10VDC O/P4 N/A O/P9 N/A O/P5 N/A O/P10 N/A Reset / Parallelling Disable Function 4 13 NOTE: See below for correct connection KPM163FQx has a built-in disable...

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