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Last modified by Admin on 2025/05/12 11:25
From version 12.1
edited by Admin
on 2025/05/07 15:58
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To version 6.1
edited by Admin
on 2025/01/29 10:30
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1 1  (% data-numbered-headings-start="1" style="--numbered-headings-start: 0;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %)
2 2  = Technical specifications =
3 3  
4 -[[image:https://movicomelectric.com/wa-data/public/site/img/14-bms-imd.png||data-xwiki-image-style-alignment="center" height="202" width="576"]]
4 +[[image:1734098621376-965.png||data-xwiki-image-style-alignment="center" height="167" width="450"]]
5 5  
6 -The BMS IMD is designed to measure the insulation resistance between the positive and negative poles of the traction battery and the chassis (ground) of the vehicle.
6 +BMS IMD is designed to measure the insulation resistance between the positive and negative poles of the tractive system battery and the chassis (ground) of the vehicle.
7 7  
8 8  == Specifications ==
9 9  
10 10  (% style="width:592px" %)
11 11  |(% style="width:394px" %)**Parameter**|(% style="width:195px" %)**Value**
12 -|(% style="width:394px" %)Supply voltage, V|(% style="width:195px" %)9 to 32
13 -|(% style="width:394px" %)Current consumption @ 24V, mA (maximum)|(% style="width:195px" %)50
12 +|(% style="width:394px" %)Supply voltage, V|(% style="width:195px" %)9 to 30
13 +|(% style="width:394px" %)Current consumption @ 12V, mA (maximum)|(% style="width:195px" %)100
14 14  |(% style="width:394px" %)Battery voltage range, V|(% style="width:195px" %)20 to 900
15 15  |(% style="width:394px" %)Battery current consumption during resistance measurement, mA (maximum)|(% style="width:195px" %)0.1
16 16  |(% style="width:394px" %)Measurement range, kOhm|(% style="width:195px" %)10 to 10000
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17 17  |(% style="width:394px" %)Accuracy, % (maximum)|(% style="width:195px" %)±10
18 18  |(% style="width:394px" %)Response time for generating an alarm signal, s (maximum)|(% style="width:195px" %)20
19 19  |(% style="width:394px" %)CAN bus speed, kbps|(% style="width:195px" %)125, 250 (default), 500, 1000
20 -|(% style="width:394px" %)Dimensions (length × width × height), mm|(% style="width:195px" %)140 × 60 × 12
21 -|(% style="width:394px" %)Weight, g|(% style="width:195px" %)50 ± 5
20 +|(% style="width:394px" %)Dimensions (length × width × height), mm|(% style="width:195px" %)140 × 60 × 14
21 +|(% style="width:394px" %)Weight, g|(% style="width:195px" %)30 ± 5
22 22  |(% style="width:394px" %)Operating temperature range, °С|(% style="width:195px" %)-40 to +85
23 23  |(% style="width:394px" %)(((
24 24  Rated insulation voltage, AC 50Hz, 1 minute, V,,RMS,, (minimum):
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25 25  
26 26  //1) Between chassis and battery lines, 2) Between chassis and power lines, 3) Between power lines and battery lines//
27 27  )))|(% style="width:195px" %)3500
28 -|Header types|Molex series Micro-Fit
29 29  
30 30  == Overall and mounting dimensions ==
31 31  
32 -[[image:1744186656175-812.png||data-xwiki-image-style-alignment="center" height="318" width="450"]]
33 33  
32 +[[image:1734008836252-490.png||data-xwiki-image-style-alignment="center" height="367" width="533"]]
33 +
34 34  == Operation description ==
35 35  
36 36  The BMS IMD measures the insulation resistance between the battery positive pole and chassis and between the battery negative pole and chassis of the vehicle by connecting the bias resistors. Battery poles and chassis commutation occurs only while measuring the insulation resistance.
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