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Summary of Contents for Acrel AIM-T300
- Page 1 AIM-T300 Insulation Monitoring Device Installation and Operation Manual V1.6 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 Time Versions Reasons for revision 2018.06.18 V1.0 First version 2019.01.15 V1.1 Modify error Add overview content; Simplified model description; 2020.03.28 V1.2 Modify the opening size; Modify wiring terminal; Modify the inaccurate part of the communication address table. Modify the model description; Modify the typical wiring 2020.07.03 V1.3 diagram, modify the terminal, and modify the instrument...
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Page 4: Table Of Contents
7.3 Function Description of Keys ..............4 7.4 Operation Instructions of Keys ............... 5 8 Communication Instruction ................7 8.1 Modbus-RTU Communication Protocol ..........7 8.2 Introduction to Function Code ..............8 8.3 Address Table of AIM-T300 ..............9 9 Typical Applications ..................10... -
Page 5: Introduction
AIM-T300 Insulation Monitoring Device 1 Introduction AIM-T300 insulation monitoring device is designed and developed by Acrel gathering the design experience of electric power meter industry for many years to monitor the insulation condition of low voltage IT distribution system (ungrounded system). The product adopts advanced micro controller technology, with high degree of integration, compact size and easy installation, and it integrates intelligence, digitalization and networking. -
Page 6: Technical Parameters
- Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9. 6 Installation and Connection 6.1 Outline Dimension AIM-T300 externality and installation size (unit: mm) 2 / 11... -
Page 7: Method Of Installation
Front view Side view 6.2 Method of Installation The AIM-T300 insulation monitoring device is mounted in a recessed panel with the opening dimensions shown below. 6.3 Wiring Method Upper terminals: the instrument functional grounding wire, KE, PE (28, 29), needs to be connected to the field equipotential grounding terminal respectively. -
Page 8: Program And Usage
120Ω. (3) The relay output, without power alarm, is a passive output, so an extra power supply is required for the alarm (or caution light). 7 Program and Usage 7.1 Panel Description AIM-T300 ON COMM Menu Test 7.2 LED Instructions 4 LED indicators are used to indicate the status of the insulation monitoring device. -
Page 9: Operation Instructions Of Keys
Key Function In the non-programming mode, it is used to start the self-checking; Test / ESC In programming mode, it is used to exit. In the non-programming mode, it is used to read the alarm record; ◀ ▶ In programming mode, it is used to increase or decrease the figure. In non-programming mode, press button to enter programming mode;... - Page 10 the "Test / ESC" key to exit. At 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 "AlarmSet". Press "◀" or "▶" to adjust the warning and alarm values (long press is supported).
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Page 11: Communication Instruction
-------------------- IT-SYSTEM -------------------- Enter Password: Menu Insu. Rf =5.001M Ω 0000 Leakage Ce = 000 uF Menu -------------------- -------------------- 2015-07-02 12:30:45 LCD Set Time Set AlarmSet Comm Set Test / ESC ClearSOE Password SW info. Language -------------------- Save Set？ Menu -------------------- LCD Set --------------------... -
Page 12: Introduction To Function Code
8.2 Introduction to Function Code 8.2.1 Function code 03H or 04H: Read the registers This function allows to acquire the data by equipment and the system parameters. The number of data requested by hosts has no limit, but cannot exceed the defined address range. The following example shows how to read a measured insulation resistance value from No.01 slave computer, with the address of the value of 0008H. -
Page 13: Address Table Of Aim-T300
8.3 Address Table of AIM-T300 Data Address Parameter Value Range Type 0000H Passwords 0000-9999 (default 0000) UINT16 0001H high Address 1~247 (default 1) UINT16 0001H low Baud rate 0~3: 4800, 9600, 19200, 38400 (unit bps) (default 9600) 0002H high Contrast ratio... -
Page 14: Typical Applications
The remaining 19 events are recorded in this part of the space, and the rules 0073H and formats are the same as the first. 9 Typical Applications Typical applications for the AIM-T300 are shown below. IT System Busbar Instructions: Stand-alone IT systems typically use a single insulation monitor, and the simultaneous operation of multiple insulation monitors can cause signal interference problems. - Page 15 Instructions: (1) The two single wires 28 and 29 are each connected to the PE wire. (2) If there is N in the three-phase ungrounded system, 4 and 5 are connected to N. If there is no N, 4 and 5 are connected to L1 and L2 respectively. If there is no N, 4 and 5 are connected to L1 and L2 respectively, and if it is single phase, 4 and 5 are connected to L1 and L2 respectively.
- Page 16 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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