AIM-M10 Medical Insulation Monitor

● Insulation monitoring for medical IT systems

● Load and temperature monitoring of isolation transformer
● Device disconnection monitoring
● LED indicators: On, Insulation, Overload, Overtemp
● Alarm relay output
● Test button
●  Insulation fault location
● RS485 (MODBUS-RTU) + CAN
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product detail

General

AIM-M10 medical intelligent insulation monitoring instrument adopts advanced micro controller technology, which has high integration, compact size convenient installation and integrates intelligence digitalization and networking in one. It is ideal selection for insulation monitoring of isolation power system in Class 2 medical locations such as operating room and intensive care unit. AIM-M10 is usually combined with AITR series medical isolation transformer AKH-0.66P26 current transformer and AID10/150 centralized alarm display device.

Function

1) Real-time monitoring and fault alarming of the ground insulation resistance,

2) Tansformer load current and transformer winding temperature of the monitored IT system,
3) Be used with insulation fault locator, remotely starting fault-locating and displaying locating results when there are insulation faults,
4) Real-time monitor the line disconnection fault, temperature sensor disconnection fault and the functional grounding line disconnection fault of the monitored system, and give the alarm indication within 2S after the fault occurs,
5) Relay alarm output, LED alarm indication and other faults indication functions,
6) Used for centralized alarm and display instrument, test signal generator, insulation fault locator and upper computer management software communications, and can monitor the operation status of IT system in real time.
7) Events logging function, which can record alarm occurrence time and fault type and is convenient for operation personnel to analyze the operation conditions of system and promptly eliminate the faults.

 

Specification


 

Product Selection

Dimension


Typical Connection

Wiring & Installation

Installation size of AKH-0.66P26 is shown in the following figure:

  • Front view
  • Bottom view

    LED Indicator Instructions

    Indicator light

    Instructions

    On

    When the device is in normal operation, the indicator flashes, and the flickering frequency is about once a second.

    Insulation

    When the insulation resistance exceeds the alarm setting value, or when FK is disconnected, the indicator flashes to alarm.

    Overload

    When the system load current exceeds the alarm setting value, the indicator flashes to alarm

    Overtemp

    When the transformer temperature exceeds the alarm setting value or the temperature sensor wiring is disconnected, the indicator flashes to alarm.

    Data Settings

    First menu

    Second menu

    Range and description

    SET BUS

    Addr

    1-247

    Baud

    4800,9600,19200

    SET

    Temp

    0-200

    Ie

    14,18,22,28,35,45

    Ran

    50-999

    SET TIME

    Year-month-day  hour: minute

    SET Code

    0000-9999

    SET Clr

    Clear the SOE

    VER

    Firmware version information

     

    Common Problems

    Make sure the connection is correct before the system is powered on. For common problems, according to the fault phenomena in the table below, targeted investigation can be carried out.

    Fault phenomenon

    Possible Causes and Troubleshooting

    LCD display: FK break, Insulation indicator lighting

    Terminal 1 and terminal 2 of AIM-M10 are not reliably connected to LEB.

    Check the connection and make sure it is reliable.

    LCD display: TC break, Overtemp indicator lighting.

    The terminals 17, 18 of AIM-M10 are not reliably connected to the two ST terminals of the isolation transformer.

    Check the connection and make sure it is correct.

    LCD display: insulation fault, Insulation indicator lighting

    At least one of the L1 and L2 wires in IT system has grounding fault, which can be restored to normal after removal.

    The device can't light up.

    The working power supply of AIM-M10 is not connected properly.

    Check the connection of terminals 11 and 12 and make sure it is correct.

     

    Note: All the above faults should be checked by power off, and the wiring should be adjusted until everything is normal.

    parameter

    AUX Power

    Voltage

    AC220V±10%

    Temperature monitoring

    Thermal resistor

    2 Pt100

    Power consumption

    ≤5VA

    Measuring range

    -50~+200℃

    Insulation monitoring

    Resistance measuring range

    10~999kΩ

    Alarm value range

    0~+200℃

    Response value

    50~999kΩ

    Alarm

    output

    Output mode

    1 Relays

    Relative uncertainty

    ±10%

    Contact rating

    AC 250V/3A

    DC 30V/3A

    Response time

    ≤3s

    Environment

    Operating temperature

    -10~+55℃

    Permissible system leakage capacitance Ce

    ≤5uF

    Transport temperature

    -25~+70℃

    Measuring voltage Um

    ≤12V

    Storage temperature

    -25~+70℃

    Measuring current Im

    ≤50uA

    Relative humidity

    5%-95%, No condensation

    Impedance Zi

    ≥200kΩ

    Altitude

    ≤2500m

    Internal DC resistance Ri

    ≥240kΩ

    IP degree

    IP30

    Permissible extraneous DC voltage Ufg

    ≤DC280V

    Rated impulse voltage / pollution degree

    4KV/Ⅲ

    Load current monitoring

    Measuring Value

    2.1~50A

    EMC

    IEC 61326-2-4

    Alarm Value

    5~50A

    Communication

    RS485(Modbus-RTU)

    Measuring accuracy

    ±5%

    ISOLATION POWER CABINET

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