Vigilohm IM10-H, Vigilohm IM20-H - Insulation Monitoring Device for
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1. Modbus Register Address Unit Type Value Description dec hex 4002 FA2 Uint16 1 Record number 4003 FA3 _ Uint64 e 10 Date when alarm occurred e 0 October 1 2010 12 00 e 10 e 1 e 12 e 0 e 0 4007 FA7 Uint32 e Record identifier e 0x40 e Primary record plus secondary e 1000 record Float32 value insulation resistance e Value of register 1000 register for insulation resistance monitoring 4009 FA9 Ohm Uint64 10000 Insulation resistance value at the time of the alarm 4013 FAD _ Uint16 1 Secondary record identifier for event Record number 2 Modbus Register Address Unit Type Value Description dec hex 4014 FAE _ Uint16 2 Record number 4015 FAF Uint64 e 10 Date when alarm disappeared e 0 October 1 2010 12 29 e 10 e 1 e 12 e 29 e 0 4019 FB3 Uint32 e 1 Record identifier e 0x10 e Secondary record e 1100 Uint16 value alarm acknowledged e Value of register 1100 alarm status register 4021 FB5 _ Uint64 8 Value of alarm register at the time of alarm acknowledgment 4025 FB9 Uint16 2 Secondary record identifier for event 48 VIGED310023EN 09 2011 Maintenance and Troubleshooting Maintenance and Troubleshooting Satety Precautions The following safety precautions must be thoroughly implemented before attempting to repair electrical equipment or carry out maintenance Carefully read and follow the safety precautions described below A DANGER2. After that one of the status screens appears automatically system insulation resistance measurement insulation fault alarm or IT transformer fault alarm If the self test fails the Alarm LED turns red and a message is displayed to indicate that the product is malfunctioning If this happens briefly disconnect the auxiliary power supply of the Vigilohm If the fault persists contact technical support VIGED310023EN 09 2011 29 Vigilohm IM10 H IM20 H Functions 30 VIGED310023EN 09 2011 Human Machine Interface Presentation The Vigilohm features a sophisticated and intuitive human machine interface HMI with signaling LEDs a graphic display and contextual menu buttons for accessing the information required to operate the Vigilohm and make parameter settings What s in this Chapter This chapter contains the following topics Topic Page Vigilohm IM10 H Menu Structure 32 Vigilohm IM20 H Menu Structure 33 Navigating the Interface 34 Status Screens 36 Modifying Parameters 37 Clock Vigilohm IM20 H 38 Insulation Fault Log Vigilohm IM20 H 39 VIGED310023EN 09 2011 31 Vigilohm IM10 H IM20 H Human Machine Interface Vigilohm IM10 H Menu Structure Vigilohm IM10 H Menu Structure MENU Monitoring INSULATION SETUP SUMMARY Alarm kQ Alarm Settings I O Config lt a Pas
3. Legend Button Icon Description 1 Menu _ Displays the level 1 menu Menu 2 Esc _ Takes you back to the previous level 3 Contextual menu For scrolling up the display or moving to the previous item in a list button 3 a For accessing the date and time setting If the clock icon flashes it means that the Date Time parameter needs to be set For increasing a numerical value 4 Contextual menu For scrolling down the display or moving to the next item in a list button 2 v For moving one digit to the left within a numerical value If the digit on the far left is already selected pressing the button loops you back to the digit on the right For moving one digit to the right within a numerical value 5 Contextual menu For confirming the selected item button 1 For executing the manual test For accessing a menu or sub menu or for editing a parameter For acknowledging alarms 34 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Human Machine Interface Information Icons The following table describes the icons provided for information in the information area of the LCD display Among other things they indicate which menu is selected or the alarm status Icon Description Main menu e Identifies the system resistance when there is no insulation fault e Measurement parameters menu Fault log menu Vigilohm IM20 H Setting parameters menu Interface language selection menu Product i
4. Presentation To modify any of the values you must be thoroughly familiar with how the interface menus are structured and the general navigation principles For more information about how the menus are structured please refer to the section that relates specifically to your Vigilohm model e IM10 H see page 32 e IM20 H see page 33 To modify the value of a parameter follow either of the 2 methods described below e Select an item value plus unit in a list e Modify a numerical value digit by digit The parameters listed below are the only ones where the numerical value can be modified e Date e Time e Password e Modbus address Vigilohm IM20 H Selecting the Value in a List To select a value in a list Use the W or A contextual menu buttons to scroll through the parameter values until you reach the desired value then press OK to confirm the new parameter value Modifying the Numerical Value Saving a Parameter Aborting an Entry The numerical value of a parameter is made up of digits and it is the one on the far right that is selected by default To modify a numerical value use the contextual menu buttons as described below allows you to modify the selected digit allows you to select the digit to the left of the one that is currently selected or to loop back to the digit on the right e OK confirms the new parameter value After you have confirmed the modified parameter one of 2 things will hap
5. Interface Insulation Fault Log Vigilohm IM20 H Description The Vigilohm IM20 H records the last 30 events from the following categories e Alarm e Transformer overload e Overheating of transformer Event 1 is the one that was recorded most recently and event 30 is the oldest recorded event The oldest event is deleted when a new event occurs the table is not reset By referring to this information the performance of the distribution system can be improved and maintenance work facilitated Fault Event Screen The diagrams below show the display elements associated with each type of fault event a LOGGING A E LOGGING i A LOGGING A QP Alm R 05KQ 2 PGD Overload 116 2 PD OverTemp Gel 2 SL 19082010 0327 SB 19 09 2010 05 32 2 W 19 09 2010 06 32 pH 19 08 2010 13 45 e a pet 19 09 2010 05 35 p e A WI 19 09 2010 06 35 x Legend Description 1 Insulation value or load percentage at the time of the fault s occurrence 2 Type of fault recorded Insulation fault overload or overheating of transformer 3 Date and time of the fault s occurrence 4 Date and time when the event disappeared e X Alarm acknowledgment e T Disappearance of alarm e E Disappearance of transformer alarm Number of event displayed Total number of events recorded VIGED310023EN 09 2011 39 Vigilohm IM10 H IM20 H Human Machine Int
6. blocks connected and or wired up or you can remove them and keep them to hand DIN Rail Mounting To install the Vigilohm on a DIN rail proceed as follows Step Action 1 Position the 2 upper slots on the rear of the Vigilohm on the DIN rail 2 Press the device against the DIN rail until the locking mechanism engages The device is now attached to the rail Removal from a DIN rail To remove the Vigilohm from a DIN rail proceed as follows Step Action 1 Using a flat screwdriver lt 6 5 mm lower the locking mechanism to release the device 20 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Installation Connection Connection Diagram Terminals 9 to 16 are not available on the Vigilohm IM10 H I i U 110 230 V iN i IT transformer bi metal strip contact min lt 24 V 5 mA 6A 6A Gal 1 3 4 5 Shorting 1 block ee oe el SE m ra H Co 67 8 9 10 11 12 13 14 15 16 Peg e v A 0v Modbus RS 485 Relay setting Relay setting DO A Rx A Tx Failsafe bed standard ger D1 B Rx B Tx recommended 678 678 Vigilohm Vigilohm HRP HRP The alarm relay
7. for testing the insulation monitoring system daily test in accordance with standard IEC 60364 7 710 5 Pushbutton for stopping the audible alarm in the event of an insulation fault or electrical fault The sound level is set during installation setting accessible on rear panel Mounting The Vigilohm HRP is flush mounted on a partition Connection The Vigilohm HRP is connected to the alarm relay terminal block see page 21 VIGED310023EN 09 201 1 13 Vigilohm IM10 H IM20 H Presentation Characteristics Characteristics Value Mechanical Characteristics Weight 0 5 kg Case Plastic Vertical mounting Degree of protection IP54 IK08 Dimensions Height 170 mm Width 170 mm Depth 20 mm Audible alarm Factory setting 80 db adjustable Electrical Characteristics Auxiliary supply voltage 24 65 mA Environment Operating temperature 0 40 C Storage temperature 25 70 C Maximum relative humidity 90 Altitude 2000 m Standards Compliant with IEC 60364 7 710 Medical facilities IEC 61557 8 Electrical safety IEC 60601 1 Electrical medical equipment NOTE The Vigilohm HRP is subject to testing on Anios products disinfectants antiseptics or detergents VIGED310023EN 09 2011 Installation What s in this Chapter This chapter contains the following topics Topic Page Safety Measure
8. is encoded in register 103 105 69 RW Uint16 e 0 99 e Year from 2000 to 2099 in e least significant byte e Most significant byte reserved 106 6A RW Uint16 e 1 12 e Month in most significant byte 1 31 e Day in least significant byte 107 6B RW Uint16 e 1 23 e Time in most significant byte e 0 59 e Minutes in least significant byte 108 6C RW ms Uint16 0 59999 Milliseconds 109 6D R Uint16 e Most significant byte Error code e Least significant byte Product status 0x00 Normal operation 0x01 Self test e 0x02 Insulation fault and or transformer fault 0x03 Wiring connection lost 0x04 Over limit capacitance e 0x05 Product malfunctioning 44 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Communication Monitoring Alarm Status Settings Modbus Register Address RW Unit Type Range Description dec hex 1000 3E8 R Ohm Float32 Resistance The value NaN Not a Number OxFFCO00000 is returned during the self test 1006 3EE R 96 Uint32 _ Transformer load current The value NaN Not aNumber OxFFCO00000 is returned during the self test 1008 3F0 R Uint16 0 Correct UO wiring Overheating of temperature transformer 1 Temperature too high Modbus Register Address Unit Type Range Description d
9. power Consequently the relevant standards lay down highly stringent rules At certain medical facilities use of the IT system is mandatory The Vigilohm IM10 H and IM20 H insulation monitoring devices are the key components within this subsystem Title of Documentation Reference Number Instruction Sheet Vigilohm IM10 H Insulation Monitoring Device S1A40440 Instruction Sheet Vigilohm IM20 H Insulation Monitoring Device S1A40442 Secure power distribution and monitoring solution for operating theatres Solution guide DESWED109024EN Solution de distribution lectrique s curis e et de surveillance pour blocs op ratoires DESWED109024FR Guide de la solution You can download these technical publications and other technical information from our website at www schneider electric com We welcome your comments about this document You can reach us by e mail at techcomm schneider electric com VIGED310023EN 09 2011 VIGED310023EN 09 2011 Presentation What s in this Chapter This chapter contains the following topics Topic Page Presentation 10 Physical Description 12 Vigilohm HRP Accessory 13 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Presentation Presentation Use the IT System to Improve the Availability of Power Systems Continuity of service is an essential operational requirement for power systems as is ensuring the protection of peop
10. 4003 A slightly different version of this architecture is also possible whereby a Vigilohm IM20 H is connected to a supervisor outside the operating room via Modbus 22 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Installation Architecture with Vigilohm IM20 H and supervisor By using Modbus communication the operating room staff or maintenance staff can be provided with e The insulation value e The load level of the transformer e The alarms Time tagging of events This ensures the traceability of all events Electrical fault Electrical fault Insulation fault Insulation Magelis fault Magelis HRP HRP Operating room 1 Operating room 2 Principle involved in connecting to a supervisor E Magelis HRP NC contact Modbus X TCP IP 4 wires PLC i Modbus VIGED310023EN 09 2011 23 Vigilohm IM10 H IM20 H Installation 24 VIGED310023EN 09 2011 Functions What s in this Chapter VIGED310023EN 09 2011 This chapter contains the following topics Topic Page Monitoring the System Insulation 26 Transformer Monitoring 28 Self test 29 25 Vigilohm IM10 H IM20 H Functions Monitoring the System Insulation Functional Description The Vigilohm monitors the IT system insulation in kQ in accordance with the following timing diagram Insulation Alarm Failsafe Alarm ld y e Eed e e e MEE M ELM EE relay activati
11. C SHOCK EXPLOSION OR ARC FLASH e Wear suitable personal protective equipment and follow the currently applicable electrical safety instructions e This equipment may only be installed by qualified electricians who have read all the relevant information e NEVER work alone e Before performing visual inspections tests or maintenance on this equipment disconnect all sources of electric power Assume that all circuits are live until they have been completely de energized tested and tagged Pay particular attention to the design of the power system Consider all power supply sources particularly the potential for backfeed e Before closing protective covers and doors carefully inspect the work area to ensure that no tools or objects have been left inside the equipment e Take care when removing or replacing panels Take special care to ensure that they do not come into contact with live busbars To minimize the risk of injuries do not tamper with the panels e The successful operation of this equipment depends upon proper handling installation and operation Failure to follow basic installation procedures can lead to personal injury as well as damage to electrical equipment or other property e NEVER shunt an external fuse circuit breaker e The Vigilohm must be installed in a suitable electrical cabinet Failure to follow these instructions will result in death or serious injury 16 VIGED310023EN 09 2011 Vigilohm IM10
12. EC 61557 8 and IEC 60364 7 710 stipulate that the installation must be ungrounded when the IT system is used In the event of only one ground or earth fault the fault current is very low and interruption is unnecessary However given that a second fault could potentially cause the circuit breaker to trip an insulation monitoring device has to be installed to indicate an initial fault This device must trigger an audible and or a visual signal By constantly monitoring the insulation resistance you can keep track of the system quality which is a form of preventive maintenance Function of Vigilohm IM10 H and IM20 H Devices The Vigilohm IM10 H and IM20 H are digital insulation monitoring devices IMDs for low voltage Systems with isolated neutral IT Assigned to specific IT islands in hospitals they can be used to monitor the insulation of a system and signal any insulation faults as soon as they occur The Vigilohm IM10 H and IM20 H apply a low frequency AC voltage between the system and ground The insulation is then assessed on the basis of the current value returned The Vigilohm IM10 H and IM20 H offer the following functions e Insulation resistance display R e Detection of insulation faults in accordance with a configurable threshold e Detection of a lost connection ground or injection The Vigilohm IM20 H offers the following additional functions e Communication via the Modbus RS 485 protocol e Insulation fault log e T
13. H IM20 H Installation Dimensions Vigilohm Dimensions IA DI ID 2 pe m 110 B O 0 4 Oo 45 93 7 3 MM y 3 Kaka lt 96 gt PA lt P S 92 4304 5 4 CAUTION CUTTING HAZARD Trim the edges of the cut out plates to remove any jagged edges Failure to follow these instructions can result in injury or equipment damage Constraints for Flush mounting Observe the correct distances between devices mm Y 40 D gt 40 VIGED310023EN 09 2011 17 Vigilohm IM10 H IM20 H Installation Flush mounting and Dismantling Presentation The Vigilohm can be attached to any flat rigid vertical support using the 3 spring clips supplied The device must not be tilted following installation To free up useful space for control gear you can attach the Vigilohm to the front panel of the floor standing or wall mounted enclosure Installation on a Support Before attaching the Vigilohm check the following e The mounting plate must have a thickness of between 0 8 and 3 2 mm e A square measuring 92 x 92 mm must be cut out from the plate so the device can be installed e No terminal blocks may be connected to the unit To install the Vigilohm proceed as follows Step Action 1 Insert the Vigilohm in the
14. M10 H IM20 H Functions Alarm Relay Depending on the status of the insulation the alarm relay is or is not activated according to the mode selected failsafe by default or standard The failsafe alarm relay is activated in the following cases e An insulation fault is detected e The product has failed e The product is not being supplied with power VIGED310023EN 09 2011 27 Vigilohm IM10 H IM20 H Functions Transformer Monitoring Presentation Overload The IT system can be used to ensure optimum availability All or part of the system can potentially still be lost in the event of a transformer overload or short circuit The impact of a short circuit is limited by discrimination The relevant standard stipulates that overloads and increases in temperature must be monitored in relation to IT system transformers With the Vigilohm IM10 H this monitoring function is performed independently of insulation monitoring In the case of the Vigilohm IM20 H the function is integrated to facilitate operation and implementation To avoid global tripping as a result of an overload the transformer load current is measured continuously displayed as a load percentage and compared with an alarm threshold Due to the fact that high temperature is the result of prolonged overload temperature monitoring is less critical and the incorporation of a bimetal temperature sensor is perfectly sufficient A transformer fault co
15. ON LED is red and the display shows WIRING CONNECTION LOST The Vigilohm injection circuit is cut off Check the connection on the injection terminal block terminals 1 and 3 and restart the self test The ON LED is red and the display indicates that an error occurred during the self test The Vigilohm injection circuit is cut off Briefly disconnect the auxiliary power supply for the Vigilohm in the event of a fault Although the Vigilohm is being Faulty LED Restart the self test and check that the supplied with power the ON LED ON LED lights up briefly does not light up The Alarm LED does not light up Faulty LED Restart the self test and check that the Alarm LED lights up briefly 50 VIGED310023EN 09 2011 Specifications Specifications Type of System to Be Monitored Characteristic Value LV AC DC IT systems Phase to phase voltage range 0 230 Vac 15 Frequency 50 60 Hz Electrical Characteristics Characteristic Value Range for insulation resistance readings 1 10 MQ Fault signaling Number of thresholds 1 password protected Thresholds 50 500 kQ Response time 1s Maximum system capacitance 5 Device performance test Self test and manual test Internal impedance At 50 Hz 110 ko Accuracy 5 Output contact Number 1 standard or failsafe Typ
16. RISK OF ELECTRIC SHOCK ARC FLASH OR BURNS e Wear suitable personal protective equipment and follow the currently applicable electrical safety instructions See for example standard NFPA 70E when carrying out work in the USA e Only qualified personnel should maintain this equipment Such work should be performed only after reading all the installation instructions e Turn off all power supplying this equipment before working on or inside it e NEVER work alone e Beware of potential hazards and wear personal protective equipment Failure to follow these instructions will result in death or serious injury NOTICE RISK OF DAMAGE TO VIGILOHM e Never open the Vigilohm unit e Do not attempt to repair any components in the Vigilohm range either in the unit or an accessory Failure to follow these instructions can result in equipment damage ON LED The red ON LED indicates an error relating to one of the following e Interruption of the injection circuit e Self test not OK e Device fault Interruption of the Injection Circuit If the injection circuit of the Vigilohm is interrupted the display shows the message below and starts flashing WIRING CONNECTION LOST Self test The Vigilohm performs a series of self tests on start up and then at regular intervals during operation in order to detect any potential faults in its internal and external circuits For more information on the self
17. Screens zu peeve ee Yu deed ER E ne 36 Modifying Parameters lisse ernennen 37 Clock Vigilohm IM20 H ee IR m m rn 38 Insulation Fault Log Vigilohm IM20 H IRI 39 Chapter 5 Communication via Modbus RS 485 Vigilohm IM20 H 41 Configuration of the RS 485 Communication Port 42 Table of Modbus Functions n 43 Modbus Registers Table 44 Chapter 6 Maintenance and 49 Maintenance and Troubleshooting 0 0 00 cece rennen nenn 49 Chapter 7 Specifications o e e RR ARR ir Re 51 SPECICATION S24 EE 51 VIGED310023EN 09 2011 3 VIGED310023EN 09 2011 Safety Information c Important Information NOTICE PLEASE NOTE Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure The addition of this symbol to a Danger safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER DANGER indicates an imminently hazardous situation which if not avo
18. VIGED310023EN Vigilohm IM1O H Vigilohm IM20 H Insulation Monitoring Device for Hospitals User Manual 09 2011 Schneider www schneider electric com d E ec t ric The information provided in this documentation contains general descriptions and or technical character istics of the performance of the products contained herein This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications It is the duty of any such user or integrator to perform the appropriate and complete risk analysis evaluation and testing of the products with respect to the relevant specific application or use thereof Neither Schneider Electric nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein If you have any suggestions for improvements or amendments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only the manufacturer should perform repairs to components When devices are used for applications with te
19. ad Holding Registers 4 0x04 Read Input Registers 6 0x06 Write Single Register 8 0x08 Diagnostics 16 0x10 Write Multiple Registers 67 14 0x43 14 Read Device Identification 67 15 0x43 15 Get Date Time 67 16 0x43 16 Set Date Timee 1 The Read Holding and Read Input registers are identical VIGED310023EN 09 201 1 43 Vigilohm IM10 H IM20 H Communication Modbus Registers Table Table Format Register tables have the following columns Modbus Register Address RW Unit Type Range Description dec hex e Modbus Register Address Address of register encoded in the Modbus frame in decimal dec and hexadecimal hex formats e RW Whether the register is read only R or read write RW e Unit The unit the information is expressed in e Type The encoding data type e Range The permitted values for this variable usually a subset of what the format allows e Description Provides information about the register and the values that apply System Status Modbus Register Address RW Unit Type Range Description dec hex 102 103 65 66 R Uint16 Encoded version Firmware version X Y Z X Y Z e X represents the primary revision number which is encoded in the most significant byte of register 102 e Y represents the secondary revision number which is encoded in the least significant byte of register 102 Zrepresents the quality revision number which
20. ay contrast Default value 50 3018 BCA RW Uint16 10 100 Display brightness Default value 100 Modbus Register Address RW Unit Type Range Description dec hex 4000 FAO R Uint16 1 60 Number of event records 4001 FA1 R Uint16 Number of most recent record 4002 4013 FA2 FAD R _ Record Record 1 4014 4025 FAE FB9 R _ Record Record 2 4710 4721 1266 1271 R Record Record 60 Each event is stored using 2 records primary record which is created when the alarm occurs This contains the insulation value transformer load or status of the transformer temperature sensor A secondary record which is created when the alarm disappears This contains the type of event acknowledged alarm disappearance of overload or overheating event The 2 records are not consecutive for example scenario in which a transformer alarm occurs during an insulation fault 46 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Communication Description of an Event Record in the Log Register Unit Type Range Description Word 1 Uint16 1 65535 Event record number Word 2 Word 3 Word 4 Word 5 Uint64 Time tagging of event using the same code as for the product date time Word 6 Word 7 Uint32 0 1 0x40 0x10 1000 1006 1008 1100 1101 Record identifier Word 6 most significant byte Information for primary sec
21. chnical safety requirements the relevant instructions must be followed Failure to use Schneider Electric software or approved software with our hardware products may result in injury harm or improper operating results Failure to observe this information can result in injury or equipment damage O 2011 Schneider Electric All rights reserved VIGED310023EN 09 2011 Table of Contents Safety Informatlon EE NEE 5 About the EE rn 7 Chapter 1 Presentation zg oras 2 er FE 9 Presentation aer eR elia A A nahe 10 Physical Descriptions RER BEE ER ia 12 Vigilohm HRP AccessOty EENEG 13 Chapter2 Installation 2 44242222 EE REL E e eR a 15 Safely Measures 2 2 s yusayusa s ea Nuls Lig 16 Dimensions A eer EE EE 17 Flush mounting and Dismantling RI 18 DIN Rail Mounting and Dismantling 20 GONNEGHON me vocet iets heed eR RR EEEEEEER 21 Typical Applicatloris cresca er ER p MAY E em RUE ER ER Eg 22 Chapter 3 Funetlons lt iss Bee erer eee tite iL eee 25 Monitoring the System Insulation 26 Transformer Monitoring eec Ra Ree RE EUR PERI ga EORR er 28 SOS ita ee Tc E 29 Chapter 4 Human Machine Interface 31 Vigilohm IM10 H Menu Structure 32 Vigilohm IM20 H Menu Structure 33 Navigating th Interface roe chaea a LEE ER IA re 34 Status
22. cut out in the mounting plate by tilting the device forward slightly Depending on the thickness of the mounting plate clip the 3 spring clips into the fixing slots on the device as follows Mounting Plate Thickness Fixing Slots to Be Used 0 8 mm lt X lt 2 2 mm lt X lt 3 2 mm Wire up and insert the terminal blocks as shown in the relevant wiring diagram see page 21 and as appropriate for the type of device concerned Vigilohm IM10 H or IM20 H see page 12 18 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Installation Removal from a Mounting Plate To remove the Vigilohm from a mounting plate proceed as follows Step Action 1 Disconnect the terminal blocks from the Vigilohm 2 Deal with each of the 3 spring clips as follows Insert the blade of a screwdriver between the spring clip and the device Then use the screwdriver as a lever to release the spring clip C 0 d 3 Reinsert the terminal blocks making sure that the correct positions on the device Vigilohm IM10 H or IM20 H see page 12 are observed VIGED310023EN 09 2011 19 Vigilohm IM10 H IM20 H Installation DIN Rail Mounting and Dismantling Presentation You can install the Vigilohm on a DIN rail The device must not be tilted following installation When mounting the device on or dismantling it from a DIN rail you can keep the terminal
23. dentification Indicates an insulation fault alarm gt GgD E VIGED310023EN 09 2011 35 Vigilohm IM10 H IM20 H Human Machine Interface Status Screens Presentation The default screen is the one that shows the system s insulation resistance value This is automatically replaced by a screen for indicating an insulation fault or a transformer fault where applicable The alarm screens flash System Insulation Resistance Measurement R The Vigilohm displays the insulation resistance measurement for the system by default XY INSULATION A R 8 MQ v 1 T 10k 100k 1M 10M Alarm Detected Insulation Fault Message The following screen is displayed when the insulation value drops below the alarm threshold INSULATION FAULT R 40kQ Press the IK contextual menu button to acknowledge the alarm Alarm Acknowledged The following screen appears once the alarm is acknowledged A ALARM A R 40kQ 1 10k 100k 1M 10M Transformer Alarm Message The following screen appears in the event of the IT transformer becoming overloaded or overheating ALARM TRANSFORMER Press the OK contextual menu button to exit the screen The alarm screen for the transformer affected by the fault now appears e Example for transformer overload 36 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Human Machine Interface Modifying Parameters
24. e of contact Changeover Breaking capacity 250 Vac 6A Capacity 12 24 Vdc 6A Input contact Voltage supplied 24 V Bimetal transformer Minimum load 5 mA Auxiliary supply voltage 50 60 Hz 110 230 Vac 15 Cable dimensions 0 2 2 5 mm Maximum device consumption 12 VA Measurement voltage 25 V max Measurement current 0 9 mA Dielectric strength 4000 Vac 5500 Vdc 1 Failsafe The relay is deactivated either on occurrence of a fault or if the auxiliary supply voltage accidentally fails Mechanical Characteristics Characteristic Value Weight 0 25 kg Thermoplastic case Mounting Panel or DIN rail Degree of protection Front IP52 Installation Inside category III pollution 2 in molded case disconnectable unit symmetrical or flush mounted VIGED310023EN 09 2011 51 Vigilohm IM10 H IM20 H Specifications Other Characteristics Characteristic Value Temperature range For operation 25 55 C For storage 40 70 C Climatic conditions IEC 60068 Standards Product IEC 61557 8 Appendix A Appendix B Safety IEC 61010 1 Installation IEC 60364 7 710 1 Suitable for use in all climates e Damp heat equipment not operating IEC 60068 2 30 e Damp heat equipment operating IEC 60068 2 56 e Salt mist IEC 60068 2 52 2 U lt 300 V L N nominal 52 VIGED310023EN 09 2011 VIGED310023EN Schne
25. ec hex 1100 44C R Uint16 e 0 No alarm Alarm e 1 Alarm active e 8 Alarm acknowledged 1101 44D R Uint16 e 0 Noalarm Transformer alarm 1 Overload alarm 2 Overheating alarm 3 Overload and over heating alarms active Modbus Register Address RW Type Range Description dec hex 3001 BB9 RW Uint16 e 1 Standard Alarm relay logic command connection Default value 2 Failsafe e 2 Failsafe 3002 BBA RW Ohm Uint32 50 500 kQ Alarm threshold Default value 50 kQ 3010 BC2 RW A Uint16 e 1A Transformer CT secondary e 5A Default value 5 A 3011 BC3 RW A Uint16 40 250 Transformer CT primary Default value 50 A 3012 BC4 RW Uint16 1 100 Transformer overload threshold Default value 80 3013 BC5 RW A Uint16 12 250 Transformer nominal current Default value 36 A 3014 BC6 RW Uint16 0000 9999 Password Default value 0000 3015 BC7 RW Uint16 0 Deactivated Password protection 1 Activated Default value 0 Deactivated VIGED310023EN 09 2011 45 Vigilohm IM10 H IM20 H Communication Log Modbus Register Address RW Unit Type Range Description dec hex 3016 BC8 RW Uint16 e 0 English Interface language 1 Frangais Default value O English 2 e 3 PX 4 Espa ol e 5 Italiano e 6 Deutsch 7 Portugu s 3017 BC9 RW Uint16 0 100 Displ
26. erface 40 VIGED310023EN 09 2011 Communication via Modbus RS 485 Vigilohm IM20 H What s in this Chapter This chapter contains the following topics Topic Page Configuration of the RS 485 Communication Port 42 Table of Modbus Functions 43 Modbus Registers Table 44 VIGED310023EN 09 2011 41 Vigilohm IM10 H IM20 H Communication Configuration of the RS 485 Communication Port Communication Parameters Before initiating any communication processes configure the Modbus communication port via the HMI Settings gt Modbus menu on the Vigilohm IM20 H Parameters Authorized Values Default Value Baud rate 4800 Baud 9600 Baud 19 200 Baud 38 400 Baud 19 200 Baud Parity Even Odd None Even Address 1 247 Signaling of Communication Activity On the Modbus parameter setting screen the green ON LED indicates the status of communication between the Vigilohm IM20 H and the master as follows If Then The LED is flashing Communication with the device has been correctly established The LED is on permanently There is no active communication between the master and slave 42 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Communication Table of Modbus Functions Modbus Functions Function Code Function Name Decimal Hexadecimal 3 0x03 Re
27. hm IM20 H E Modbus communication terminal block Vigilohm IM20 H F Terminal block for the bimetal input for monitoring the temperature of the insulation transformer Vigilohm IM20 H G Contextual menu buttons H Operating LED Alarm LED J Menu button for accessing main menu K Button for returning to previous menu or canceling a parameter entry L Display M Vigilohm serial number N Vigilohm product catalog number IMD IM10 H or IMD IM20 H 12 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Presentation Vigilohm HRP Accessory Presentation The Vigilohm HRP Hospital Remote Panel catalog number 50168 remote accessory for operating rooms serves as a user interface for the systems that are used to monitor electrical installations in hospitals Installed in the operating block the Vigilohm HRP lets hospital staff know in real time whether the installation is operating correctly or whether there is a fault e Insulation fault affecting the electrical equipment of the operating block e Electrical fault following tripping of a protective circuit breaker or overloading of a current transformer Physical Description Number Description 1 Orange LED Visual signal indicating an insulation fault 2 Green LED Indicates that the installation is operating correctly 3 Red LED Visual signal indicating an electrical fault transformer overloaded or overheating or circuit breaker fault trip 4 Pushbutton
28. ided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury This is the safety alert symbol It is used to alert you to potential A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury NOTICE NOTICE is used to address practices not related to physical injury Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material A qualified person is one who has skills and knowledge related to the construction and operation of electrical equipment and its installation and has received safety training to recognize and avoid the hazards involved VIGED310023EN 09 2011 VIGED310023EN 09 2011 About the Book a wx At a Glance Document Scope Validity Note Related Documents User Comments This manual is intended for use by designers system builders and maintenance technicians who are concerned with ungrounded electrical distribution systems IT featuring insulation monitoring devices IMDs for medical applications To ensure maximum patient safety operating rooms call for continuous availability and impeccable quality in terms of electrical
29. ider Electric Industries SAS As standards specifications and designs change from time to time please ask for confirmation 35 rue Joseph Monier of the information given in this publication CS30323 F 92506 Rueil Malmaison Cedex www schneider electric com 09 2011
30. is connected in the same way with a programmable logic controller PLC as part of the advanced solution for an operating block Connection Characteristics All the terminals of the Vigilohm IM10 H and IM20 H have identical characteristics The table below shows the characteristics of the cables that can be used to connect the terminals Stripped Length Cable c s a Tightening Torque Type of Screwdriver 7 mm 0 2 2 5 mm 0 8 Nem Flat 3 mm VIGED310023EN 09 2011 21 Vigilohm IM10 H IM20 H Installation Typical Applications Presentation The following section presents 2 insulation monitoring applications for an operating room e One with a Vigilohm IM10 H and a Vigilohm HRP e One with a Vigilonm IM20 H where the alarm is sent to a supervisor Architecture with Vigilohm IM10 H and Vigilohm HRP By virtue of the fact that there is a Vigilohm HRP present in the operating room this monitoring system can be used to collate and display all the information relating to the alarms generated by the electrical installation IMD Cabinet Electrical fault Vigilohm Insulation fault HRP Operating room Vigilohm HRP Connection Principle 1 wire electrical fault iqi circuit breaker fault trip or transformer overload Vigilohm HRP 2 wires NC contact 2 wires N ground 2 wires 24 V 0 V en _ ABL8MEM24003 Existing or special power supply For example ABL8MEM2
31. le and property There are many applications which vary from country to country The ungrounded IT system is the best option for ensuring continuity of service Even after an initial insulation fault has occurred the installation can continue to function without posing any danger to people or equipment However the faulty circuit must be detected and repaired before a second fault occurs The fact that the IT system can tolerate an initial fault means that maintenance operations can be improved and carried out safely and without any pressure The IT System at Medical Facilities At Group 2 medical facilities the medical IT system must be used for the supply circuits These include those for the electrical medical equipment as well as for the life support systems and systems intended for surgical applications on the one hand and the other equipment in the patient environment on the other It is practically impossible to draw up a list of Group 2 facilities because the method for categorizing how facilities are used can vary from one country to another and may even differ within the same country The list of examples below has been provided purely for information e Anaesthetizing room Operating room Pre operating room Surgical dressings plaster room Post op recovery room Cardiac catheterization room Intensive care room Angiographic examination room Premature babies room Monitor Insulation Resistance R Standards IEC 364 I
32. nstitutes a critical installation fault which is not true of an insulation fault e On the Vigilohm IM20 H transformer faults take priority over an insulation fault e On the Vigilohm HRP the red LED for indicating an electrical fault lights up in the event of a transformer fault e Onthe Magelis panel advanced solution for operating room the load is displayed in the form of a bar graph and a dedicated alarm Integration with an Existing Supervision Solution All the transformer data alarms current thresholds is available via Modbus communication 28 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Functions Self test Description The Vigilohm has a self test function for testing e The product LEDs internal electronics e The measurement system and the alarm relay Running the Self test Sequence of LEDs Self test OK Self test Not OK The test can be run runs e Manually at any time by pressing the T contextual menu button on one of the system insulation monitoring screens e Automatically e Whenever the device starts up power up or reset e Every 5 hours except when the device is in the alarm status regardless of whether the alarm is active has been acknowledged or is transient During the verification sequence the LEDs light up in the following order Alarm white ON red Alarm yellow ON green If the self test is successful the following screen appears for 3 seconds AUTOTEST OK
33. on Standard ON OFF AlamLED ON OFF X INSULATION A XX INSULATION INSULATION FAULT R 40k0 1 x 10k 100 1M 10M 1 An insulation fault is detected on the system the Vigilohm switches to the alarm status The alarm relay changes over and the alarm LED lights up 2 The user acknowledges the alarm by pressing the X button The alarm relay reverts to its initial status 3 The insulation fault is corrected The alarm LED goes out The Vigilohm reverts to normal status 8 MO T Display R 8MQ 1 R 40 10k 100 1M 10M 10k 100k 1M 10M When the Vigilohm is in the alarm status and the user fails to acknowledge the alarm the insulation fault is transient Status Information The display and the 2 two color LEDs on the Vigilohm indicate the device s current status LEDs Description ON Alarm amp amp Vigilohm de energized e G i Vigilohm energized no insulation fault detected flashes slowly e O Vigilohm energized insulation fault detected flashes slowly e 9 Vigilohm energized transient insulation fault detected flashes slowly flashes e amp Vigilohm energized but malfunctioning Alarm Threshold e Setting range 50 500 kQ e Default value 50 When the device is powered up it reverts to the most recent alarm threshold value saved 26 VIGED310023EN 09 2011 Vigilohm I
34. ondary record This field assumes a value of 1 for the primary record and a value of 0 for the secondary record e Word 6 least significant byte Type of data stored in the Value field e Word 7 Address of the Modbus register that is the source of the data in the Value field Word 8 Word 9 Word 10 Word 11 Uint64 Depending on the type of record primary or secondary e Primary record when the event occurs e Insulation resistance value in ohms encoded in Float32 in the last 2 registers e Transformer load as a of the nominal load encoded in Uint32 in the last 2 registers e Status of bimetal strip encoded in Uint16 in the last register e Secondary record when the event disappears or is acknowledgea e Alarm type encoded in Uint16 in the last register Word 12 Uint16 1 65534 Primary secondary record identifier for event e Inthe case of a primary record for an event this identifier is an odd integer numbering starts at 1 and the number is incremented by 2 for each new event Inthe case of a secondary record for an event this identifier is equal to the primary record identifier plus 1 VIGED310023EN 09 201 1 47 Vigilohm IM10 H IM20 H Communication Example of an Event The 2 records below represent an alarm that occurred at 12 00 on October 1 2010 and was acknowledged at 12 29 Record number 1
35. pen e lf the parameter has been saved correctly the screen displays Saved and then automatically reverts to the previous display e lf the parameter has not been saved correctly the screen displays Out Of Range and the editing screen remains active A value is deemed to be out of range when it is classed as forbidden or when there are several interdependent parameters for example To abort the current parameter entry press the Esc button The screen reverts to the previous display VIGED310023EN 09 2011 37 Vigilohm IM10 H IM20 H Human Machine Interface Clock Vigilohm IM20 H Description The time must be set e Whenever the power supply is interrupted e When switching from winter to summer time If the auxiliary power supply is interrupted the Vigilohm IM20 H retains the date and time setting from immediately before the interruption The Vigilohm IM20 H uses the date and time parameter to time tag the system insulation faults and the transformer alarms recorded Icon When the Vigilohm IM20 H is powered up the clock icon flashes on the system monitoring screens to indicate that the clock needs to be set Setting To set the date and time please refer to the procedure for modifying a numerical value see page 37 Date Time Format The date is displayed in the format dd mm yyyy The time is displayed using the 24 hour clock in the format hh mm 38 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Human Machine
36. ransformer monitoring e Display of load current for secondary as a percentage e Threshold based triggering of an alarm as a percentage of nominal current e Temperature alarm bimetal contact VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Presentation Selection Guide Function Vigilohm IM10 H Vigilohm IM20 H Measurement and display of IT system insulation resistance Y Threshold based triggering of alarm y Display of transformer load current Transformer overload alarm _ Transformer high temperature alarm _ Time tagged log insulation faults overloads and transformer overheating events PN Communication via Modbus RS 485 EE Remote compatibility in operating room Vigilohm HRP y y VIGED310023EN 09 2011 11 Vigilohm IM10 H IM20 H Presentation Physical Description Physical Description The Vigilohm IM10 H and IM20 H feature 3 and 6 terminal blocks respectively identifiers A to F The various features of the Vigilohm are shown in the diagram below Q m we e o n o Ciel o Dee 2 oo pezosa AAAA E A Injection terminal block B Vigilohm auxiliary power supply terminal block C Alarm relay terminal block D Terminal block for 1 A or 5 A CT input for measuring the secondary current of the insulation transformer Vigilo
37. s 16 Dimensions 17 Flush mounting and Dismantling 18 DIN Rail Mounting and Dismantling 20 Connection 21 Typical Applications 22 VIGED310023EN 09 2011 15 Vigilohm IM10 H IM20 H Installation Safety Measures Specific Hazard Associated with Insulation Monitoring Devices IMDs In the case of almost all electric and electronic devices the device s power supply is the root cause of electrical hazards The hazard can be eliminated by disconnecting the power supply This is notthe case with insulation monitoring devices which are connected to the system via the injection wire Consequently this connection must be broken before carrying out any kind of work on the product 4 A DANGER RISK OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH e Before carrying out work of any kind disconnect the Vigilohm from the monitored system by disconnecting the injection wire at terminal 1 Disconnect all the power supplies running to the Vigilohm and the equipment on which it is installed e Always use a correctly calibrated voltage tester to check that the injection wire and power supply have been properly disconnected Failure to follow these instructions will result in death or serious injury Other Safety Measures Carefully read through the safety measures described below You are always required to implement them fully before attempting to install repair or service electrical equipment A A DANGER RISK OF ELECTRI
38. sword Display Contrast Backlight English Fran ais hx Espa ol Italiano Deutsch Portugu s Language IMD IM10H Firmware Version Identification Serial No QR Code Smartphone 32 VIGED310023EN 09 2011 Vigilohm IM10 H IM20 H Human Machine Interface Vigilohm IM20 H Menu Structure Vigilohm IM20 H Menu Structure MENU R SETUP SUMMARY Alarm Logging Settings Date Time Alarm Network Frequency Vigilohm HRP I O Config 4 Relay T Sensor Nominal Transformer Transfo Primary Secondary Modbus Auto Config Address Password Activation Password Display Contrast Backlight English Francais hx Espa ol Italiano Deutsch Language Portugu s IMD IM20H Version Serial No QR Code Smartphone Identification VIGED310023EN 09 2011 33 Vigilohm IM10 H IM20 H Human Machine Interface Navigating the Interface Presentation The diagram below illustrates the various elements for operating the Vigilohm 1 Screen identification area containing a menu icon and the name of the menu or parameter 2 Information area for displaying screen specific details measurement alarm setting 3 Navigation buttons Navigation Buttons The navigation buttons enable quick and intuitive navigation GH Ho Ho
39. test function please refer to the relevant section see page 29 VIGED310023EN 09 2011 49 Vigilohm IM10 H IM20 H Maintenance and Troubleshooting Troubleshooting The table below describes the potential problems and their probable causes It also indicates the checks that can be carried out or provides possible solutions for each scenario If you are still unable to resolve a problem after consulting the table please contact your Schneider Electric regional sales representative for assistance Potential Problem Probable Cause Possible Solution The device displays nothing when switched on The device is not being supplied Check the auxiliary power supply is present The auxiliary power supply does not comply Check the value of the auxiliary voltage U 90 265 Vac The device signals an insulation fault but your system shows no signs of abnormal behavior The fault alarm threshold is not appropriate Check the value of the alarm threshold Modify the alarm threshold if necessary You deliberately create an insulation fault but the device fails to detect it The resistance value used to simulate the fault is greater than the value of the fault threshold Use a resistance value that is lower than the alarm threshold or modify the alarm threshold The fault is not detected between neutral and ground Start again ensuring you are between neutral and ground The
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