STW mBMS Installation instructions

mBMS Hardware Guide

mBMS Hardware Guide
Created: W. Putz / F.-J. Schuster
Page 2 of 28
Sensor-Technik Wiedemann GmbH, Am Bärenwald 6, 87600 Kaufbeuren, Tel.: [phone], Fax: [phone], www.sensor-technik.de
Table of content
1COPYRIGHT NOTICE ...................................................................................................................................... 3
2INTRODUCTION ............................................................................................................................................ 4
2.1 SCOPE ............................................................................................................................................................ 4
2.2 DOCUMENTS ................................................................................................................................................... 5
2.3 GENERAL RULES ............................................................................................................................................... 5
3OVERVIEW .................................................................................................................................................... 6
3.1 TOPOLOGIES.................................................................................................................................................... 6
3.2 KEY COMPONENTS ............................................................................................................................................ 7
3.3 ADDITIONAL COMPONENTS................................................................................................................................. 9
4MOUNTING AND WIRING ............................................................................................................................12
4.1 MOUNTING ELECTRONIC COMPONENTS............................................................................................................... 12
4.2 WIRE DIMENSIONS.......................................................................................................................................... 13
4.3 INSULATION COORDINATION ............................................................................................................................. 13
4.4 ACHIEVING EMC COMPLIANCE.......................................................................................................................... 14
4.5 BMS CONFIGURATION..................................................................................................................................... 15
4.6 CSCCONFIGURATION ...................................................................................................................................... 16
4.7 INTERLOCK .................................................................................................................................................... 21
4.8 CAN-INTERFACING ......................................................................................................................................... 22
5MULTI BATTERY TOPOLOGIES ......................................................................................................................23
5.1 MASTER/SLAVE NETWORKING .......................................................................................................................... 23
5.2 MULTI MASTER NETWORKING ........................................................................................................................... 23
6TECHNICAL DATA .........................................................................................................................................25
6.1 MAXIMUM RATINGS ....................................................................................................................................... 25
6.2 KEY DATA ..................................................................................................................................................... 25
7TERMS AND ABBREVIATIONS.......................................................................................................................28
Document History:
Version
Date
Name
Change
Ticket
V1.2
27.07.2015
F.-J. Schuster
New PMB variants description added
New BMS variants description added
15260
15261
V1.1
14.12.2015
15.12.2015
16.12.2015
21.12.2015
F.-J. Schuster
“Battery-CAN” renamed to “Sensor-CAN”
Documentation standard inserted
Chapter “BMS configuration” created
Chapter “Interlock” created
12874
13541
12636
13526
V1.0
21.04.2015
W. Putz
F.-J. Schuster
First Release

mBMS Hardware Guide
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1 Copyright Notice
Copyright © 2016 Sensor-Technik Wiedemann GmbH
All rights reserved.
This User Manual and its content is copyright of Sensor-Technik Wiedemann GmbH - ©
Sensor-Technik Wiedemann GmbH 2016. All rights reserved.
No part or all of the contents may be reproduced and used without the consent of Sensor-
Technik Wiedemann GmbH other than the following:
you may print or download to a local hard disk extracts for your personal and non-
commercial use only
you may copy the content to individual third parties for their personal use, but only if
you acknowledge the source of the material
You may not, except with our express written permission, distribute or commercially
exploit the content. Nor may you transmit it or store it in any other website or other form of
electronic retrieval system.
All product names, companies, logos and other brands which are referenced in this User
Manual are the property of their respective owners.
They are subject to change without prior notice.
In spite of careful development and extensive reviews it is not possible to guarantee
perfect correctness and completeness of our User Manuals. Therefore, liability for any
damage resulting from incompleteness or incorrectness cannot be accepted.

mBMS Hardware Guide
Created: W. Putz / F.-J. Schuster
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2 Introduction
2.1 Scope
The Battery Management System mBMS
1
is an essential part of the high voltage battery
in an electric vehicle
2
. It ensures safe operation of the lithium-ion battery cells and it
interacts with the vehicle’s high voltage DC network (traction net) and the vehicle’s bus
system.
The mBMS key functions are:
Enter Safe state by disconnecting the battery from the traction net in case of:
oCell Over voltage events
oCell Under voltage events
oCell Over temperature events
oOver Current events
oLoss of interlock signal
Battery Health Measures:
oKeep all cells in a balanced state
oPrevent battery abuse
Determination of the battery’s state:
oSelf-diagnostics including insulation monitoring
oState of Charge (SOC)
oInner resistance determination and prediction of deliverable power
oBattery capacity
Vehicle interfacing:
oControlled pre-charge of inverter’s capacitance
oDetermination of vehicle’s insulation status
oOptional interlock signal generation
oCommunication via the ESS-CAN bus
1
This document describes the 2nd generation of STW’s mBMS
2
The term “vehicle” is used throughout this document, although the mBMS may be part of a high voltage
battery system of a non-vehicle application.

mBMS Hardware Guide
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2.2 Documents
You can find the latest release of this document and related documents online:
STW Cloud: https://cloud.sensor-technik.de/
Download area on www.sensor-technik.de
Related documents include:
mBMS Toolchain Guide
ESS-CAN Matrix (in .dbc format and as an export in .xlsx format)
Diagrams describing:
obasic interconnections
odetailed wiring and
oMaster/slave wiring
Pin assignment of key components: BMS, PMB, CSC
Component drawings
2.3 General Rules
This document was created to give the ambitious technician a compact set of information.
Please take the time to read this issue carefully to prevent the setup from malfunction and
the environment/user from harmful injuries or death.
Building a battery system means working on voltages present.
This should be done only by specially trained personnel.
Even if a single cell has a low voltage, the current can be very
high in short circuit condition.
Use insulated tools.
Pay attention towards the separation of high- and low voltage
parts. For creeping and clearance, refer to related normative
standards like EN 60664.
If the component is used in a manner not specified, the protection
supported by the component may be impaired.
Most components of this system are bare electronic devices
without a cover. Therefore, they are sensitive to electric
discharge. Personal ESD protection and an ESD protected area
are necessary.
Inverters cause high electromagnetic fields.
Inside the housing, communication wires (CAN, CSC-Bus) should
be a pair of twisted wires (at least).
Outside the housing, use shielded wires suitable for high voltage
wiring.
The pre-charge resistor, the shunt and as well the cell sensor
circuit might get hot during operation.

mBMS Hardware Guide
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3 Overview
3.1 Topologies
Lithium-ion batteries are the preferred energy storage system (ESS) for modern electric
drive systems. The mBMS permits safe operation of lithium-ion batteries up to 800 volts.
The mBMS supports various ESS topologies –single battery systems as well as multi
battery systems for larger installations.
Master
ESS-CAN
CAN1
Figure 1 –single battery topology
The single battery approach (standalone) is the most common system topology consisting
of one serially connected string of battery cells. A stack comprises one or more cell
modules with cell sensor circuits (CSC), a single current sensor (PMB), a single main
supervisor (BMS) and a pair of main switches.
For an ESS with a high demand for energy, power, availability or maintainability, it may be
more appropriate to connect multiple batteries in a parallel topology.
See chapter 5 for further information.

mBMS Hardware Guide
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3.2 Key components
Figure 2 –Connection overview
Figure 2 shows the devices for a battery management system and their interconnection.
This diagram can be found as a separate file in a larger format and higher resolution.
The key components (marked green) can only be purchased from STW. The additional
components (marked yellow) may be obtained from 3rd parties.
BMS –Battery Main Supervisor
The BMS is the main device of the battery system. It contains three controllers for a
maximum of reliability and safety. It collects all information from its sensors, determines
the state of the battery system and decides whether main switches are allowed to be
close or need to be opened. An insulation measurement device may be installed as a
piggy-pack to the BMS.
It´s very important for the function of the insulation measurement
device that the mounting hole of the BMS is connected to the
chassis of the system (car body, system rack, etc.) in a low
impedance way.
There are four hardware variants of the BMS.
CAN Wakeup or KL15 Wakeup (Imprint on nameplate: CAN1 or KL15)
Precharge with Relay or with CDR-Module (Imprint on nameplate: RELAY or
CDR)
Exemplary imprint on the nameplate:

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PMB –Power Measurement Board / current sensor
The PMB measures the current (shunt resistor) which flows in or out of the battery, the
voltage value of the battery stack and the traction net. The PMB is equipped with a unique
redundant safety circuit which enables the PMB to directly signal a current limit violation.
Do not mount the shunt on conductive surfaces/materials.
Choose the mounting position of the shunt carefully because it´s
getting hot during operation at high currents. The dissipated
power is    .
There are two hardware variants of the PMB: PMB1000 and PMB2000.
The PMB2000 is designed for higher currents than the PMB1000. For details, see the
chapter Technical Data.
Exemplary imprint on the nameplate:
CSC –Cell Sensor Circuit
The CSC is directly contacted to the cells of the battery. It measures the cell voltages and
temperatures and converts this data in a way suitable for the BMS. Each CSC is equipped
with a passive discharge path for balancing the charges of the battery cells.
While balancing, the CSC is getting hot.
To prevent overheating, the CSC will reduce the balancing current
Filter
Optional filter devices reduce the electrical noise originating from the power converters on
the traction net. They include special Y-Capacitors for EMC suppression.
Filters should be mounted directly on the battery output (near HV
connector).
Filters have to be connected with low impedance (short wires) to
chassis ground.

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3.3 Additional components
Main switches
The main switches are connecting and disconnecting the power source or load to/from the
battery. They must be able to interrupt the flowing current in short circuit situation to
prevent uncontrollable situations.
It´s important to use the correct fixing torques at the contacts to ensure good connection
and low connecting resistances. For the EV200 the torque should be 10Nm. Refer to the
owner’s manual if different main switches are used.
The BMS supports main switches with 12V or 24V coils as well as types without internal
power reduction (economizer). Please keep in mind that the BMS has to be provided at
least with the lowest voltage level the main switches require for closing.
The main switches shall be selected in accordance with the
maximum system voltage, the maximum short circuit current as
well as the number of cycles the main switch can do in these
situations.
CDR –Pre-charge Module
The CDR pre-/dis-charge module may be used as an alternative solution for pre-charging
traction net capacitors usually included in inverters. It is able to provide an economic
replacement of a mechanical pre-charge relay (up to 800 V). The CDR combines a small
mechanical relay with a semiconductor device.
Pre-charge relay
The pre-charge relay bypasses the positive main switch with a resistor. This is to prevent
high current flows into the traction net capacity.
The pre-charge relay has to fit to the maximum pre-charge current
(limited by the pre-charge resistor) and the system voltage.
Attention: When using the CDR, a special variant of the BMS (Battery Main Supervisor)
has to be used.

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Pre-charge resistor
The pre-charge resistor has to limit the current rushing into the traction net capacitor.
It must be ensured that the resistance is capable to handle the impulse energy which
occurs during pre-charging. Use special “braking resistors” with high impulse energy
capability.
The suitable resistance value “R” depends on the traction net capacity “C”, the pre-charge
time “t”, the maximum allowed current “IShort” as well as on the maximum system voltage
“U”. The value “∆U” is the voltage difference between the traction net voltage and the
system voltage “U” after pre-charge time “t”.
   
  󰇡
󰇢
The current  has to be within the switching capability of the pre-charge relay.
 

The impulse energy “E” for the resistor to dissipate is calculated with
  
   
The pre-charge resistor gets hot during the pre-charge process.
After one pre-charge cycle, the resistor needs a time-interval
sufficiently for cooling down.
The pre-charge resistor has to be mounted on a heat dissipation
surface.
The BMS dynamically manages the pre-charge process in order
to prevent overheating.
HV connector
This connector is the Interface to the traction net. The HV connector may include
additional contacts carrying an interlock signal.
Temperature sensor
The two temperature sensor inputs are intended to measure the coolant temperature.
The internal look up table is configured for an NTC type with 10 kand the characteristic
EPCOS 8016. If you use a different type, the look up table has to be adapted to the
sensor used. The adaptions necessary on mBMS side are subject to a customer specific
development. Please call STW for a commercial offer.
The used temperature sensors (10 kNTC, characteristic 8016)
must be electrically isolated types.

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Fuse / Service-Disconnect
Pay attention to the following items for the selection of the fuse:
Maximum system voltage (DC voltage)
Maximum operating current
Temperature derating
Short circuit current (even at low cell temperatures)
Time / current characteristics
Power switching rating of the main switches (if necessary, the main contactor must
not open before the fuse has tripped)
It is recommended to install the fuse / service-disconnect in the electrical middle of the
battery in order to split the voltage of the battery in half in case of emergency.
The fuse / service-disconnect must not be located between cells
measured by the same CSC measurement module.

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4 Mounting and wiring
Figure 3 –Wiring diagram
Figure 3 shows the detailed interconnection of the devices. This diagram can be found as
a separate file in a larger format and higher resolution.
4.1 Mounting electronic components
Device
Fixing material
BMS
M4 screws
CSC
M3 plastic screws or rivets 3
PMB
Mounted on main switch or bus bar
The maximum torque for the plastic screws used for the CSC fixation depends on the type
of screw used. Refer to the manufacturer’s datasheet.
In applications exposed to vibrations, it is highly recommended to use all fixation holes of
the PCBs and to apply additional fixations of the cables close to the PCB plug.
3
It is required to use isolated fixing materials like plastic screws, washers and mothers or plastic rivets. See
chapter 3.3 for further information.

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4.2 Wire dimensions
Type of connector
Wire gauge
Micro-Fit
AWG24 –AWG20
0.205 mm² –0.51mm²
AMPSEAL
AWG20 –AWG16 4
0.51 mm² –1.31mm²
In order to make correct crimp contacts, it is highly recommended to use the crimp tools
recommended by the supplier. Use double isolated wires for safety reasons, conducting
material between high voltage and low voltage needs a reinforced insulation. For wiring
this can be realized with an additional tube. Figure 4 shows how this looks like. See
chapter 4.3 for further information.
Figure 4 –reinforced insulation of wiring
4.3 Insulation coordination
The components are designed for safe separation between low voltage and high voltage
potentials. The design follows pollution degree 2 according to EN60664.
The following tables shows the creeping and clearance distances between low voltage
and high voltage potentials according to EN60664 for a withstand voltage of 2.4 kV and a
battery voltage of maximal 800 V.
Clearance distances
Insulation
Clearance distances 5
Clearance distances
(for 5000 m above sea level) 6
Basic insulation
HV –HV
≥ 1.5 mm (59 mil)
≥ 2.25 mm (89 mil)
Reinforced
insulation
LV –HV
≥ 3.0 mm (118 mil)
≥ 4.5 mm (177 mil)
4
To reduce power dissipation on the supply lines, biggest possible wire dimensions are recommended.
5
see EN 60664-1 table F.2
6
correction factor 1.48, see EN 60664-1 table A.2
wire
basic insulation
additional insulation tube

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Creeping distances
Insulation
Creeping distances for
printed wiring material
Creeping distances
All material groups
except IIIb
Material group
I
Material group
II
Material group
III
CTI ≥ 175
CTI ≥ 600
400 ≤ CTI < 600
100 ≤ CTI < 400
Basic insulation
HV –HV
≥ 4.0 mm (157 mil)
≥ 4.0 mm
≥ 5.6 mm
≥ 8.0 mm
Reinforced insulation
LV –HV
≥ 8.0 mm (315 mil)
≥ 8.0 mm
≥ 11.2 mm
≥ 16.0 mm
The exact values have to be taken from the normative standards
and depend on the material used.
4.4 Achieving EMC compliance
Please follow these rules:
Wires should be as short as possible.
Housing of battery, inverter and engine must be connected with low impedance.
Backward/forward lines forming electrical loops shall be installed close together.
Filters as shown below should be mounted at the poles of the traction net connector
inside the battery housing.
Traction net and communication lines should be shielded and separated by at least
100 mm.
Shielding should be connected with respect to low impedance.
Installation of unused CAN wires (for example diagnosis buses) should be avoided or
terminated (stubs). See chapter 4.8 CAN-Interfacing.

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4.5 BMS configuration
As already mentioned the mBMS supports various ESS topologies –single battery
systems as well as multi battery systems for larger installations (see chapter 5 for further
information).
Therefore, the role of the BMS has to be defined within the mBMS network. This is done
by cable configuration in the low voltage interconnection.
The network address is determined by the state of the following pins.
For detailed description, see document “mBMS2 master slave wiring.pdf”.
Configuration
IN1 (CFG2)
IN2 (CFG1)
OUT1 (CFG0)
Master
UB
UB
UB
Slave 1
UB
UB
GND
Slave 2
UB
GND
UB
Slave 3
UB
GND
GND
Slave 4
GND
UB
UB
Slave 5
GND
UB
GND
Slave 6
GND
GND
UB
Slave 7
GND
GND
GND
The BMS within a single battery system network should be configured as Master.

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4.6 CSC configuration
Configuration rules
The CSC is able to sense and balance a maximum of 48 cells. Each CSC has up to four
measurement modules with each module being able to sense up to twelve cell voltages
and up to four cell temperatures.
The CSC may be configured in various ways according to these rules:
§1 The consecutive numbering of the cells, used in the application software, starts at
the first connected CSC on the lowest cell. Nevertheless, different numbering is
possible, but is not very practical in view of servicing.
§2 Each module can measure up to twelve cells and four temperatures.
§3 Unused cell inputs should be connected to the highest voltage on the module or left
open. It is recommended, to connect them to the highest module voltage for EMI
reasons.
§4 The minimum voltage per module (pin 8 to pin 13) must be in any case higher than
11 V.
§5 Unused modules can be left unconnected or can be removed.
§6 A module can be used as a single temperature measuring module without sensing
cell voltages, if the module is powered from the related cells on which the
temperature should be measured (pin 8 and pin 13 (U = 11 V …55 V)). These
temperature sensors are “grounded” to pin 8 of the module. With one CSC, a
maximum of 16 cell temperatures can be measured.
§7 In order to adapt to geometrical restrictions or in order to optimize wiring, a CSC may
be split mechanically into four separate modules and a controller board. The
separation needs to be prepared and carried out by STW. The bus connections
among the separated boards need to be carried out with twisted pair wires.
§8 The free PCB area next to the controller board in connection with the controller board
itself, have the same dimension as two CSC modules. Therefore it is easily possible
to build vertical stacks of PCBs. For this mechanical variant, non-conductive spacers
have to be used.
It is recommended to establish the cell connections to the CSC
module sequentially, beginning with lowest cell potential - the
minus pole of the stack.

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Example 1
CSC board has to sense 36 cells
Related rules: §2, §5
For 36 cells, use the first three measuring modules on the CSC and leave the last one
unconnected.
12 cells
12 cells
12 cells
Pin
Signal
Name
Cell
connection
Pin
Signal
Name
Cell
connectio
n
Pin
Signal
Name
Cell
connectio
n
1
--
n. c.
1
--
n. c.
1
--
n. c.
2
CH11
Cell 11+
2
CH11
Cell 23+
2
CH11
Cell 35+
3
CH9
Cell 9+
3
CH9
Cell 21+
3
CH9
Cell 33+
4
CH7
Cell 7+
4
CH7
Cell 19+
4
CH7
Cell 31+
5
CH5
Cell 5+
5
CH5
Cell 17+
5
CH5
Cell 29+
6
CH3
Cell 3+
6
CH3
Cell 15+
6
CH3
Cell 27+
7
CH1
Cell 1+
7
CH1
Cell 13+
7
CH1
Cell 25+
8
GND
Cell 1-
8
GND
Cell 13-
8
GND
Cell 25-
9
GND T4
9
GND T4
9
GND T4
10
GND T3
10
GND T3
10
GND T3
11
GND T2
11
GND T2
11
GND T2
12
GND T1
12
GND T1
12
GND T1
13
UB
Cell 12+
13
UB
Cell 24+
13
UB
Cell 36+
14
CH12
Cell 12+
14
CH12
Cell 24+
14
CH12
Cell 36+
15
CH10
Cell 10+
15
CH10
Cell 22+
15
CH10
Cell 34+
16
CH8
Cell 8+
16
CH8
Cell 20+
16
CH8
Cell 32+
17
CH6
Cell 6+
17
CH6
Cell 18+
17
CH6
Cell 30+
18
CH4
Cell 4+
18
CH4
Cell 16+
18
CH4
Cell 28+
19
CH2
Cell 2+
19
CH2
Cell 14+
19
CH2
Cell 26+
20
--
n. c.
20
--
n. c.
20
--
n. c.
21
Temp 4
21
Temp 4
21
Temp 4
22
Temp 3
22
Temp 3
22
Temp 3
23
Temp 2
23
Temp 2
23
Temp 2
24
Temp 1
24
Temp 1
24
Temp 1
can be
removed

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Example 2
CSC has to sense 7 cells
Related rules: §2, §3, §5
It is recommended to connect the unused cell voltage inputs of the CSC and the “UB”-
Input. The UB connection has to be connected to the highest voltage of the module, here
Cell 7+.
7 cells
Pin
Signal
Name
Cell
connection
1
--
2
CH11
Cell 7+
3
CH9
Cell 7+
4
CH7
Cell 7+
5
CH5
Cell 5+
6
CH3
Cell 3+
7
CH1
Cell 1+
8
GND
Cell 1-
9
GND T4
10
GND T3
11
GND T2
12
GND T1
13
UB
Cell 7+
14
CH12
Cell 7+
15
CH10
Cell 7+
16
CH8
Cell 7+
17
CH6
Cell 6+
18
CH4
Cell 4+
19
CH2
Cell 2+
20
--
21
Temp 4
22
Temp 3
23
Temp 2
24
Temp 1
connected together
can be removed

mBMS Hardware Guide
Created: W. Putz / F.-J. Schuster
Page 19 of 28
Sensor-Technik Wiedemann GmbH, Am Bärenwald 6, 87600 Kaufbeuren, Tel.: [phone], Fax: [phone], www.sensor-technik.de
Example 3
CSC board has to sense 13 cells
Related rules: §2, §3, §5
Reduce the utilization to two measuring modules. This could be done in this manner:
seven cells to the first module, six to the second. Do not connect less than four cells to
one measuring board (the voltage level between pin 8 and 13 must be higher than 11V
in any case.)
6 cells
7 cells
Pin
Signal
Name
Cell
connection
Pin
Signal
Name
Cell
connection
1
--
1
--
2
CH11
Cell 6+
2
CH11
Cell 13+
3
CH9
Cell 6+
3
CH9
Cell 13+
4
CH7
Cell 6+
4
CH7
Cell 13+
5
CH5
Cell 5+
5
CH5
Cell 11+
6
CH3
Cell 3+
6
CH3
Cell 9+
7
CH1
Cell 1+
7
CH1
Cell 7+
8
GND
Cell 1-
8
GND
Cell 7-
9
GND T4
9
GND T4
10
GND T3
10
GND T3
11
GND T2
11
GND T2
12
GND T1
12
GND T1
13
UB
Cell 6+
13
UB
Cell 13+
14
CH12
Cell 6+
14
CH12
Cell 13+
15
CH10
Cell 6+
15
CH10
Cell 13+
16
CH8
Cell 6+
16
CH8
Cell 13+
17
CH6
Cell 6+
17
CH6
Cell 12+
18
CH4
Cell 4+
18
CH4
Cell 10+
19
CH2
Cell 2+
19
CH2
Cell 8+
20
--
20
--
21
Temp 4
21
Temp 4
22
Temp 3
22
Temp 3
23
Temp 2
23
Temp 2
connected together
same signals
24
Temp 1
24
Temp 1
can be removed

mBMS Hardware Guide
Created: W. Putz / F.-J. Schuster
Page 20 of 28
Sensor-Technik Wiedemann GmbH, Am Bärenwald 6, 87600 Kaufbeuren, Tel.: [phone], Fax: [phone], www.sensor-technik.de
Example 4
CSC board has to sense 12 cells (incl. temperature of each cell)
Related rules: §2, §4, §5, §6
In early steps of battery system development, the developer wants to know the voltage
and the temperature of each cell in the system. In further steps, the amount of sensors
will be reduced. These development steps can be handled with one and the same CSC
board. With one CSC board it is possible to sense 16 cells and 16 temperatures. The
example here shows a system of 12 cells and 12 temperatures.
12 cells / 4 temperatures
4 temperatures
4 temperatures
Pin
Signal
Name
Cell
connection
Pin
Signal
Name
Cell
connection
Pin
Signal
Name
Cell
connection
1
--
n. c.
1
--
n. c.
1
--
n. c.
2
CH11
Cell 11+
2
CH11
n. c.
2
CH11
n. c.
3
CH9
Cell 9+
3
CH9
n. c.
3
CH9
n. c.
4
CH7
Cell 7+
4
CH7
n. c.
4
CH7
n. c.
5
CH5
Cell 5+
5
CH5
n. c.
5
CH5
n. c.
6
CH3
Cell 3+
6
CH3
n. c.
6
CH3
n. c.
7
CH1
Cell 1+
7
CH1
n. c.
7
CH1
n. c.
8
GND
Cell 1-
8
GND
Cell 1-
8
GND
Cell 1-
9
GND T4
Temp4-
9
GND T4
Temp8-
9
GND T4
Temp12-
10
GND T3
Temp3-
10
GND T3
Temp7-
10
GND T3
Temp11-
11
GND T2
Temp2-
11
GND T2
Temp6-
11
GND T2
Temp10-
12
GND T1
Temp1-
12
GND T1
Temp5-
12
GND T1
Temp9-
13
UB
Cell 12+
13
UB
Cell 12+
13
UB
Cell 12+
14
CH12
Cell 12+
14
CH12
n. c.
14
CH12
n. c.
15
CH10
Cell 10+
15
CH10
n. c.
15
CH10
n. c.
16
CH8
Cell 8+
16
CH8
n. c.
16
CH8
n. c.
17
CH6
Cell 6+
17
CH6
n. c.
17
CH6
n. c.
18
CH4
Cell 4+
18
CH4
n. c.
18
CH4
n. c.
19
CH2
Cell 2+
19
CH2
n. c.
19
CH2
n. c.
20
--
n. c.
20
--
n. c.
20
--
n. c.
21
Temp 4
Temp4+
21
Temp 4
Temp8+
21
Temp 4
Temp12+
22
Temp 3
Temp3+
22
Temp 3
Temp7+
22
Temp 3
Temp11+
voltage supply for
the module is
necessary
23
Temp 2
Temp2+
23
Temp 2
Temp6+
23
Temp 2
Temp10+
24
Temp 1
Temp1+
24
Temp 1
Temp5+
24
Temp 1
Temp9+
The temperature sensors used (10kΩ NTC, characteristic 8016)
must be electrically isolated types.
Electrical contact of the temperature sensor element and the HV
or LV voltages will damage the CSC board.
can be
removed