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Summary of Contents for Acrel AIM-D100-T Series
- Page 1 AIM-D100-T series DC Insulation Monitor User Manual V1.2 Acrel co., Ltd...
- Page 2 Declaration Please read this instruction carefully before using this product. All pictures, logos and symbols involved are owned by Acrel Co., Ltd. All or part of the content shall not be reproduced publicly without written authorization by non-company personnel. Please read the instructions and precautions in this operation manual carefully before using this series of products.
- Page 3 Modified Records Date Version Description 2023.10.25 V1.0 First version Modify power supply, power consumption, 2024.05.20 V1.1 temperature, dimensional accuracy of 0.1, communication examples add 06 function Modify consumption, over-voltage and 2024.08.12 V1.2 under-voltage parameters, DO description Notes:...
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Page 4: Table Of Contents
Contents 1 Introduction ..................... 1 2 Model Description ................... 1 3 Functional Characteristics ................1 4 Technical Parameters ..................2 5 Installation and Connection ................3 5.1 Shape and Size ..................3 5.2 Installation ....................3 5.3 Wiring ....................... 4 5.4 Wiring Diagram .................. -
Page 5: Introduction
AIM-D100-T series DC insulation monitor can be applied in 10~1000V DC system for on-line monitoring of DC ungrounded system positive and negative pole to ground insulation resistance, and send out warning or alarm signal when insulation resistance is lower than the set value. -
Page 6: Technical Parameters
■ Early warning and alarm function. The product has two groups of independently adjustable set values, you can set the warning value and alarm value. ■ LED indication function. The product panel has operation, communication and fault, over-voltage, under-voltage LED indicators, which can display the product status. ■... -
Page 7: Installation And Connection
Relative humidity <95%, without condensation Altitude < 2000m 5 Installation and Connection 5.1 Shape and Size AIM-D100-T series DC Insulation Monitor adopts plastic casing, and its external dimensions are shown in the figure below. (Unit: mm) 72.0 70.0 61.0 50.0... -
Page 8: Wiring
5.3 Wiring AIM-D100-T series DC insulation monitor products have terminal blocks at the top and bottom, and the top terminal block is shown in the figure below: Positive Ground Negative Power The top of the instrument is divided into two rows of terminals: TOP row of terminals for the... -
Page 9: Attention
5.5 Attention (1) When designing and installing insulation monitors, it should be noted that only one insulation monitor can be installed in a system. If multiple insulation monitors are installed in different locations of the same system, a control strategy should be used for insulation resistance monitoring. (2) The insulation monitor can be installed in the distribution box, and the installation location is free of dripping water, corrosive chemical gases, and sedimentation substances. -
Page 10: Led Indicator Instructions
6.2 LED Indicator Instructions Indicator Function Description When the instrument is running normally, the indicator light flashes with a flashing frequency of approximately once per second. When there is no data communication, the indicator light is off. When there is Comm data communication, the indicator light flashes. - Page 11 (2) Viewing Alarm Records In the main interface, press "▼" twice to switch to the fault record interface, and press " /MENU" to view specific fault records. Press "▲" and "▼" buttons to switch to page flip, query up to 20 fault records in turn, including fault type, fault value and fault time.
- Page 12 U: 1000.0V Normal Menu Set Time Set U+: 1000.0V Wiring Comm Set Insu Set U-: 1000.0V Normal Enter password ▲▼ ▲▼ 0000 Alarm Set Reset Set R+: 10001kΩ Normal R-: 10000kΩ Normal Clear SOE Soft Info ▲▼ Choose save or not Save or not？...
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Page 13: Communication Instruction
7 Communication Instruction 7.1 Communication Protocol The RS485 interface of the instrument adopts the Modbus-RTU communication protocol. The protocol defines the address, function code, data, check code, etc. in detail, which is a necessary content to complete the data exchange between the host and the slave. 7.1.1 Transmission method Information transmission is asynchronous and in bytes. - Page 14 device. There is no limit to the number of data requested by the host at one time, but it cannot exceed the defined address range. The following example reads data from the 00 25H register from the slave at address 01. Sent Returned Host send...
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Page 15: Register Address Table
Sent Returned Host send Slave return information information Address Code Address Code Function Code Function code High byte High byte Starting Starting address address Low byte Low byte High byte High byte Register Register count Low byte count Low byte Register count Low byte High byte... - Page 16 Second 0~59 UINT16 Software number UINT16 Software version UINT16 14~31 0EH~1FH Reserved UINT16*18 bit15: 1 DC+ and DC- connected error; 0 is normal bit14~bit6: Reserved bit5: 1 negative pole insulation fault warning; 0 is normal bit4: 1 negative pole insulation fault alarm;...
- Page 17 resistance alarm value Negative pole insulation 10~10000kΩ (default 100) UINT16 resistance warning value Negative pole insulation 10~10000kΩ (default 50) UINT16 resistance alarm value 57~62 39H~3EH Reserved UINT16*6 Insulation monitor time 0:500ms/cycle; 1:1000ms/cycle UINT16 0x01: Cycle (default is cycle) Insulation monitoring 0x10: Communication UINT16 trigger mode...
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Page 18: Register Operation Description
7.4 Register Operation Description 7.4.1 Insulation Monitoring Trigger Mode 0x40H is the insulation monitoring trigger form, there are three main types: cycle trigger, communication trigger, cycle and communication trigger, default cycle trigger. Cycle trigger form, timed monitoring, monitoring time 500ms or 1000ms once, after monitoring update register data, after a polling delay (0x42H), continue to trigger monitoring. -
Page 19: Message Example
7.4.4 Alarm Setting 0x30H~0x33H are voltage alarm related registers, which can set the rated voltage and issue alarm when overvoltage or undervoltage occurs in the system voltage. 0x34H~0x38H are insulation resistance related registers, which can set warning and alarm thresholds, and issue warning or alarm when insulation resistance exceeds the limit. 0x43H is alarm reset mode, which can be set automatically or manually. -
Page 20: Application
100kΩ; 00 32 means setting the negative insulation fault alarm value to 50kΩ. 8 Application AIM-D100-T series DC insulation monitors can be applied in PV, energy storage, DC screen, UPS and other DC systems. The following is a brief introduction to the PV DC system and DC screen system as an example. -
Page 21: Dc Panel System
8.2 DC panel system The monitoring and control equipment in the substation is independently powered using either DC or AC panels. For the AC screen, DC screen, the general use of ungrounded (IT) power distribution system. The following figure DC screen distribution box system, DC screen access to AC 380V power supply, the battery module is usually in the charging state, DC screen through the 1KM +, 1KM - DC bus to provide power to the monitoring equipment, when the AC380V power supply is lost, the DC bus to continue to use the backup battery power supply, to ensure that the monitoring equipment for... - Page 22 TEL.: 0086-21-69158338 0086-21-69156052 0086-21-59156392 0086-21-69156971 Fax: 0086-21-69158303 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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