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Deif SIM-Q MKII, Installation & Operation Instructions

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Deif SIM-Q MKII Installation & Operation Instructions Download Page 16

SIM-Q MKII   

 

 

 

 

Installation/operation instructions

 

 

DEIF A/S

  

Page 16 of 18 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Graph above: There are no restrictions when you select set point (Ran) in 500 µF settings. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Graph above: Beware of response time when you select set point (Ran) in 2000 µF settings. 
 
If the installation contains frequency converters that work below 20 Hz, the SIM-Q MKII with option 
LF should be used instead, as it provides reliable measurements down to 5 Hz. 
 

4.3 

Technical specifications 

See the data sheet, document no. 4921230028. 
 

 

Summary of Contents for SIM-Q MKII

Page 1: ...OKMARK NOT DEFINED 3 1 DM 400 GAS MAIN CONTROLLER ERROR BOOKMARK NOT DEFINED 3 2 AIR FUEL MIXERS ERROR BOOKMARK NOT DEFINED 3 3 THROTTLE VALVE AND ACTUATOR ERROR BOOKMARK NOT DEFINED 3 4 DIGITAL IGNIT...

Page 2: ...5 3 INSTALLATION 6 3 1 CONNECTION 6 3 1 1 Connection of AC auxiliary supply 7 3 1 2 Connection of DC auxiliary supply 8 3 2 DIMENSIONS 8 3 3 CHANGING THE DEFAULT SETTINGS 9 3 4 CONFIGURATION OF THE ME...

Page 3: ...nt without prior notice The English version of this document always contains the most recent and up to date information about the product DEIF does not take responsibility for the accuracy of translat...

Page 4: ...e to do this could result in human injury or damage to the equipment 1 2 2 Intended users These Installation Instructions are mainly intended for the operator and the person responsible for the design...

Page 5: ...The special characteristic of an IT power system is the fact that no live conductor is connected directly to earth The SIM Q MKII is connected to the power system by connecting the terminal marked P...

Page 6: ...h the switch in monitoring mode the SIM Q MKII will run a fast measuring mode the first 15 seconds after a power up This mode can be used to perform a switchboard test When a known resistor is connect...

Page 7: ...nnection of AC auxiliary supply Type 80 to 152 V AC Type 176 to 288 V AC Type 320 to 576 V AC X1 X2 100 V AC 20 X1 X2 220 V AC 20 X1 X2 400 V AC 20 X1 X3 110 V AC 20 X1 X3 230 V AC 20 X1 X3 450 V AC 2...

Page 8: ...SIM Q MKII Installation operation instructions DEIF A S Page 8 of 18 3 1 2 Connection of DC auxiliary supply Type 18 to 30 V DC X1 0 V DC Zero X2 24 V DC 25 Label for DC version 3 2 Dimensions...

Page 9: ...rmine the maximum leakage capacitance Note that this will also change the measuring time See the chapter Calculation of capacity within an application for determination of the needed max capacity sett...

Page 10: ...of the housing by means of a screwdriver see the figure to the right Also in test mode the actual set point is shown on the meter and it can be reconfigured on the rear of the housing When you power u...

Page 11: ...issioning If the installation is to be tested by means of a high voltage MEGGER the SIM Q MKII must be disconnected at terminal p before testing is carried out Ignoring this may result in damage to th...

Page 12: ...id measurement ON Valid measurement Flashing AAL mode Measurement is not steady DIM mode Last measurement failed Warning Bottom LED OFF Measured insulation resistance is higher than set point Long fla...

Page 13: ...other mode to monitoring mode Power LED is on Status LED is flashing Warning LED is off Meter is at unlimited insulation resistance Relay is deactivated Valid measurement Insulation resistance is high...

Page 14: ...Relay is activated Measured insulation resistance is higher than set point and input is steady Status LED is on valid data Warning LED is off no insulation error Meter shows the measured insulation re...

Page 15: ...with the capacity and the resistance This means that if great capacitance and insulation resistance is present in the application there will be a long measuring time before the cycle is finished If t...

Page 16: ...0 F settings Graph above Beware of response time when you select set point Ran in 2000 F settings If the installation contains frequency converters that work below 20 Hz the SIM Q MKII with option LF...

Page 17: ...leakage capacitance in a connected network using a voltmeter and an ammeter SL PE Single phase CE A V 2 phi f Phi is 3 14 and f is the frequency in Hz 3 phases CE A V 3 2 phi f Example for a 3 phase s...

Page 18: ...ng the SIM Q MKII fault finding function The fault finding function of the SIM Q MKII can be used to estimate the size of the leakage capacitor Notice that this method can only be used when no insulat...

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