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Superintend IM-04DCCT Manual v10.60 English

   

Rights to modify the content reserved

 

© Copyright Muuntosähkö Oy - Trafox 3.2.2022

 

 

SUPERINTEND IM-04DCCT 

 

IMD Insulation Monitoring device for non-grounded (IT) electrical 

networks for DC charging station applications 

Instructions for installation and use v10.60 

 

 

 

 

 

AC/DC

 

Summary of Contents for SUPERINTEND IM-04DCCT

Page 1: ...o modify the content reserved Copyright Muuntosähkö Oy Trafox 3 2 2022 SUPERINTEND IM 04DCCT IMD Insulation Monitoring device for non grounded IT electrical networks for DC charging station applications Instructions for installation and use v10 60 AC DC ...

Page 2: ...INSTALLATION 4 PHYSICAL CONNECTION 4 DEVICE MOUNTING 4 RS 485 NETWORK CONNECTION 7 SYSTEM CONFIGURATION 7 USE 8 GENERAL 8 IM 04DCCT UNIT 8 MENU STRUCTURE 9 MONITOR MENU 11 ALARM MENU 12 SETUP MENU 14 ERRORS 16 MODBUS RTU REMOTE CONTROL 16 TECHNICAL SPECIFICATIONS 19 IM 04DCCT UNIT 19 HVC 10 UNIT 19 MECHANICAL DIMENSIONS 20 ...

Page 3: ...elow which indicates that if the device has been installed incorrectly or used in violation of instructions safety could be jeopardised The description of the symbol is presented in this manual instead of on the device due to space constraints Such sections are marked with the symbol shown below A symbol indicating possible danger A description of the symbol may be placed on the device or provided...

Page 4: ...50110 The operating voltage connection of IM 04DCCT must always be equipped with a coupler or a line protection switch so that the electricity supply can be disconnected for the duration of maintenance work for example The location of the disconnectors must be clearly marked in the switchboard The coupler or line protection switch should also control a relay or contactor which separates the measur...

Page 5: ...resistance NO COM is an open circuit when the alarm in inactive and closes when the alarm is active NC COM functions in a reverse manner Max load 250VAC 3A or 30VDC 3A INS ALARM NC INS ALARM COM INS WARN NO Pre alarm relay of the insulation resistance NO COM is an open circuit when the alarm in inactive and closes when the alarm is active NC COM functions in a reverse manner Max load 250VAC 3A or ...

Page 6: ...6 Copyright Muuntosähkö Oy Trafox Superintend IMD http www trafox fi Figure 1 System connection ...

Page 7: ...terminator is installed in the first and the last unit If the IM 04DCCT unit is the first or last device of the bus an external terminating resistor of 120 Ω must be connected between the terminals A and B In all other units the terminator must not be installed The cable shield is connected to the SH terminal of the IM 04DCCT unit SYSTEM CONFIGURATION The most sensible configuration order for the ...

Page 8: ...ormation can be forwarded to another user defined system through the alarm and pre alarm relays All alarm parameters are set through the user interface of the IM 04DCCT system Measurement values can be monitored and settings can be changed using the Modbus RTU protocol via the IM 04DCCT unit s RS 485 connection For this purpose the device must be connected to a RS 485 bus and the Modbus address mu...

Page 9: ...CT unit have three main levels MONITOR SETUP and ALARM The button is used to navigate between the main levels when the topmost parameter of each menu is highlighted on the screen The menus can be browsed down with the button Access to the Setup menu is password protected The Monitor menu is the default of the IM 04DCCT unit to which the system returns in 20 minutes after the last time a button was...

Page 10: ... The Edit mode is a Setup menu mode where the parameters to be displayed can be changed In the Edit mode the parameter to be changed flashes and it can be changed with the button If there are several parameters to be changed in the same screen you can move to the next one by pressing the button After the editing is completed press the T button after which the values given must be approved by selec...

Page 11: ...me and date All fixed alarms can be acknowledged on one go Firmware version The default display is insulation resistance and capacitance Other parameters and functions can be viewed by using the button The system test is started from the Monitor menu by pressing T and then selecting Y in the Start test menu and pressing T This starts the test of the internal measurement circuit of the IM 04DCCT un...

Page 12: ...et start up delay has been elapsed after powering on the unit An alarm always indicates that the fault in question is still active An active fault cannot be acknowledged until the issue that caused it has been fixed The fixed fault is acknowledged when its time is checked and the T button is pressed The button takes you back to the menu level without acknowledging the fault All fixed faults can al...

Page 13: ...ds an alarm becomes active when the set limit is reached but it is deactivated only when the measured value deviates by 5 in a safe direction from the limit given The screen mode of each parameter alternately displays the following On the top row the value fault limit of the parameter that caused the fault and on the bottom row the current status OK ALARM or OLD ALRM Fault start time and date If t...

Page 14: ...rm is active if the TG or MG wire of the IM 04DCCT unit is disconnected In that case the insulation resistance can not be measured either so an insulation resistance alarm is also given SETUP MENU The Setup menu can be used to change system settings alarm limits time etc The Setup menu is password protected and accessed as follows Go to the Setup menu in the main menu The screen displays Enter Set...

Page 15: ...s Factory default value is 100 kΩ PRE INSULATION LIMIT The pre insulation limit of the insulation resistance Activates the INS WARN relay The setup range is 10 100 kΩ with 10 kΩ intervals and 100 kΩ 1 000 kΩ with 50 kΩ intervals Pre insulation limit is allowed to be equal or higher than the alarm limit Factory default value is 500 kΩ AUTOMATIC ALARM ACKNOWLEDGEMENT This setting determines whether ...

Page 16: ...m WARN PreInsul WRN The IM 04DCCT unit TG wire is disconnected STATUS ALARM Gnd Fail ALM The IM 04DCCT unit MG wire is disconnected STATUS ALARM Gnd Fail ALM System fault manual test STATUS ALARM Sys Test ALM Alarm relays ALM insulation alarm WRN insulation pre alarm Error situations are displayed by means of ALARM LEDs and the alarm menu of the IM 04DCCT unit A blinking LED always means that an a...

Page 17: ...sk 0x0001 a fault or alarm related to insulation resistance corresponds to the INSULATION alarm LED of the local user interface 0x0002 insulation resistance pre alarm 0x0004 system test fault 0x0010 fault in the TG or MG wire 0x0100 system test active 0x0200 internal calibration active the insulation level measurement values are invalid the statuses remain active until their cause has been elimina...

Page 18: ... 34 R Status register of the unacknowledged alarms of the device uint16 none Bit mask 0x0001 a fault or alarm related to insulation resistance is inactivated corresponds to the INSULATION alarm LED of the local user interface 0x0002 insulation resistance pre alarm deactivated 0x0004 system test fault deactivated 0x0010 fault in the TG or MG wire deactivated the statuses will activate when the corr...

Page 19: ...NO 3A NC 277VAC for resistive load Maximum power 1400VA 150W NO and 850VA 90W NC Insulation strength between contacts 1000VAC 50 60Hz 1 min Useful life 100 000 connections with the maximum nominal load Other details Operating temperature 25 55ºC relative humidity 90 non condensing IP class front panel IP40 IP class other casing IP20 Connector tightening torque 0 45 0 5 Nm Weight 180 g Not suitable...

Page 20: ...ircuit impedance 250kΩ Relative uncertainty o 10kΩ 1MΩ 15 o 5kΩ 10kΩ 3kΩ Other details Operating temperature 25 55ºC relative humidity 90 non condensing IP class front panel IP40 IP class other casing IP20 Connector tightening torque 0 5 0 6 Nm Weight 94 g MECHANICAL DIMENSIONS 53 5 mm 110 mm 62 mm 18 mm 90 3 mm 62 mm ...

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