I+ME ACTIA BMS Master 4 - Board Layout and Connections

Hardware Manual
BMS Master 4 / 4.5
Ref.: IR14417 A 15.01.2018 Page 44/76
3.5.3. BOARD LAYOUT AND CONNECTIONS
Connections for single cell voltages and temperatures in normal operation
rsp. config connection for setting up
Connection for external balancing resistors
dual RS485 connection to master
module rsp. neighboured slave
module
pin 1
pin 1
pin 1
pin 1
1 cell 1+/2-
2 cell 3+/4-
3 cell 5+/6-
4 cell 7+/8-
5 cell 9+/10-
6 PTC-GND
7 PTC
8 NTC-GND
9 NTC1
10 n.c.
11 n.c.
12 n.c.
13 cell 1-
14 cell 2+/3-
15 cell 4+/5-
16 cell 6+/7-
17 cell 8+/9-
18 cell 10+
19 do not connect
20 NTC-GND
21 NTC2
22 n.c.
23 n.c.
24 n.c.
Cell voltages and temp sensors
normal operation pin use
1 n.c.
2 n.c.
3 n.c.
4 n.c.
5 n.c.
6 n.c.
7 n.c.
8 n.c.
9 n.c.
10 GND
11 TXD
12 RXD
13 n.c.
14 n.c.
15 n.c.
16 n.c.
17 n.c.
18 n.c.
19 n.c.
20 n.c.
21 n.c.
22 5V-CFG
23 CFGRX
24 n.c.
Config-Interface
configuration pin use
1 FAIL_
2 NETGND
3 5VNET
4 BUS-B
5 BUS-A
6 Shield
RS485-Interface to Master
Pin use for both connectors