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AIM-T500 Insulation Monitoring Device 

 

Installation and Operation Manual V1.4 

 

 

 

 

 

 

 

 

 

 

Acrel Co., Ltd. 

 

 

Summary of Contents for AIM-T500

Page 1: ...200 AIM T500 Insulation Monitoring Device Installation and Operation Manual V1 4 Acrel Co Ltd ...

Page 2: ...y ignoring the instructions in this operation manual The equipment is professional electrical equipment any related operation need to be carried out by special electrical technicians Acrel is not responsible for personal injury or financial loss resulting from the error of non professional personnel The contents of this description will be updated and amended constantly and it is inevitable that t...

Page 3: ...opening size Modify wiring terminal Modify the inaccurate part of the communication address table 4 2020 07 03 V1 3 Modify the model description Modify the typical wiring diagram modify the terminal and modify the instrument auxiliary power supply section description 5 2022 02 30 V1 4 Modify the format add modify records Model description Do not specify the model Modify technical parameters Notes ...

Page 4: ...e 2 6 2 Method of installation 3 6 3 Wiring method 3 6 4 Matters need attention 4 7 Program and Usage 4 7 1 Panel 4 7 2 LED instructions 5 7 3 Function description of keys 5 7 4 Operation instructions of keys 5 8 Communication Instruction 7 8 1 Modbus RTU communication protocol 7 8 2 Introduction to the function code 7 8 3 Address table of AIM T500 9 9 Typical applications 10 ...

Page 5: ...rise standard Q VDCL 26 2017 IT System Insulation Monitor 2 Functional characteristics 2 1 Function of insulation resistance monitoring warning and alarm for the monitored IT system 2 2 Multiple fault indication function such as relay alarm output and LED alarm output 2 3 Advanced field bus communication technology and it can communicate with the host computer management terminal and monitor the o...

Page 6: ...Pollution Level 8kV Ⅲ EMC Radiation IEC61326 2 4 Environment Working temperature 10 65 Storage temperature 20 70 Relative humidity 95 without condensation Altitude 2500m 5 Reference standards IEC 61557 8 Electrical safety in low voltage distribution systems up to 1000V a c and 1500V d c Equipment for testing measuring or monitoring of protective measures Part 8 Insulation monitoring devices for IT...

Page 7: ...s F1 F2 23 24 are interconnected terminals when two ungrounded systems are interconnected The instruments that have access to F1 and F2 will stop working and it will be monitored separately by another instrument AK 9 is an extension terminal used for insulation monitoring of IT systems above AC690 DC800V see ACPD series manual for details L1 L2 4 5 are connected to the monitored IT system No three...

Page 8: ...on interface adopts Modbus RTU protocol and all kinds of data information can be transmitted on communication lines In theory up to 128 devices can be connected to one line at the same time Each device can set its address and baud rate through the menu It is recommended to use shielded twisted pair when communicating with the upper computer system The cross section of each core should not be less ...

Page 9: ...rface and work The insulation resistance value the leakage capacitance value and the current system time are showed on the main interface Press up and down key Press ESC to return Press up and down key ESC return SOE Record NO 01 alarm R 4K time 15 07 01 11 30 flip 2015 07 02 12 30 45 IT SYSTEM Insu Rf 10 MΩ Leakage Ce 000 uF ESC return SOE Record NO 02 alarm R 10K time 15 07 01 11 28 flip 2 Check...

Page 10: ...this time you can choose whether to save the setting and press Enter to confirm and exit 3 Security Settings Enter the menu and select Security Settings Press Up and Down to adjust the warning and alarm values long press is supported Press The Back key to exit At this time you can choose whether to save the settings Press Enter to confirm and exit The default alarm value is 38K and the early warni...

Page 11: ...C to save or exit Press Up and Down to set AlarmSet press ESC to save or exit Press Up and Down to select the CommSet and press Enter to confirm Press Up and Down to select the Password and press Enter to confirm Press Up and Down to select the Language and press Enter to confirm Press Up and Down to set CommSet press ESC to save or exit Press Up and Down to set Password press ESC to save or exit ...

Page 12: ...hange the contents of multiple registers which can write the time and date in this meter The host can write up to 16 32 bytes data at a time The following example shows a preset address of 01 with an installation date and time of 12 00 Friday December 1 2009 The host computer sends Send message The slave computer returns Return message Address code 01H Address code 01H Function code 10H Function c...

Page 13: ...R W 60 4999 unit k Ω default 60 word 0007H low Warning value 9 0008H high Alarm value R W 10 4999 unit k Ω default 38 word 0008H low Alarm value 10 0009H high Resistance value R 1 10001 unit k Ω word 0009H low Resistance value 11 000AH SN high 16 bits R Default 0000000000 word 12 000BH SN low 16 bits word 13 000CH Reserve word 14 000DH Leakage capacity R 0 500 unit μF word 15 000EH high Symbol of ...

Page 14: ...t 1 time day word 0013H low Hour1 R incident 1 time hour 21 0014H high Minute1 R incident 1 time minute word 0014H low Second1 R incident 1 time second 22 1 16 0015H 0073H The remaining 19 events are recorded in this part of the space and the rules and formats are the same as the first ...

Page 15: ...nd D03 control the warning indicating lamp The malfunction fault indicates that the meter itself is out of order Generatrix interconnection external self check If the N line is not elicited access any 2 phase in the 3 RS485 communication can be netted with other tables and connected to the upper computer single phase isolated transformer Generatrix interconnection external self check Connect singl...

Page 16: ...86 21 69158303 Web site www acrel electric com mail ACREL008 vip 163 com Postcode 201801 Manufacturer Jiangsu Acrel Electrical Manufacturing Co LTD Address No 5 Dongmeng Road Dongmeng industrial Park Nanzha Street Jiangyin City Jiangsu Province China TEL 0086 510 86179966 Fax 0086 510 86179975 Web site www jsacrel com Postcode 214405 E mail sales email acrel cn ...

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