1

VCC

Positive of power supply

2

GND

Negative of power supply

3

DATA+

Positive of RS485

4

DATA-

Negative of RS485

5

AGND

GND for 1^st channel and 2^ndchannel open

6

OUT1

1^st channel open collector output

7

OUT2

2^nd channel open collector output

8

UIN11

11^th channel voltage input

9

UIN12

12^th channel voltage input

10

UIN13

13^th channel voltage input

11

UIN14

14^th channel voltage input

12

AGND

GND for 11^th~14^th channel voltage input

13

UIN10

10^th channel voltage input

14

UIN9

9^th channel voltage input

15

UIN8

8^th channel voltage input

16

UIN7

7^th channel voltage input

17

UIN6

6^th channel voltage input

18

AGND

GND for 6^th~10^th channel voltage input

19

UIN5

5^th channel voltage input

20

UIN4

4^th channel voltage input

21

UIN3

3^rd channel voltage input

22

UIN2

2^nd channel voltage input

23

UIN1

1^st channel voltage input

24

AGND

GND for 1^st~5^th channel voltage input