EC500 Controller Handbook
Copyright © 2019 Eaton Corporation. All Rights Reserved.
Issue A March 2019
Page 105 of 107
4
Battery Voltage
–
3
X6
4-Pin Male,
Dual Row
Individual Battery voltage
measurement
1
Battery Negative or Shunt
Common
2
Battery Voltage
–
4
3
Battery Voltage
–
5
4
Battery Voltage
–
6
TB1
24-Pin Male,
Dual Row
PFC Output
1,3,5
1
st
Relay
–
Pole, NC, NO
2,4,6
2
nd
Relay
–
Pole, NC, NO
7,9,11
3
rd
Relay
–
Pole, NC, NO
8,10,12
4
th
Relay
–
Pole, NC, NO
13,15,17 5
th
Relay
–
Pole, NC, NO
14,16,18 6
th
Relay
–
Pole, NC, NO
19,21,23 7
th
Relay
–
Pole, NC, NO
20,22,24 8
th
Relay
–
Pole, NC, NO
TB2
16-Pin Male,
Dual Row
8 User defined optically
isolated PFC input
2,1
0V
–
D1 Input
4,3
0V
–
D2 Input
6,5
0V
–
D3 Input
8,7
0V
–
D4 Input
10,9
0V
–
D5 Input
12,11
0V
–
D6 Input
14,13
0V
–
D7 Input
16,15
0V
–
D8 Input
TB3
4-Pin Male,
Dual Row
Battery Temperature sensing
1
3.3V Protected
2
Temperature
–
1 Input
3
3.3V Protected
4
Temperature
–
2 Input
TB4
10-Pin Male,
Dual Row
External RS485 Interface
1,2
Isolated Ground
3
Transmit Data 1, Tx1+
4
Transmit Data 2, Tx2+
5
Transmit Data 1, Tx1-
6
Transmit Data 2, Tx2-
7
Receive Data 1, Rx1+
8
Receive Data 2, Rx2+
9
Receive Data 1, Rx1-
10
Receive Data 2, Rx2-