Chengdu Ebyte Electronic Technology Co.,Ltd
E851-RTU(4440-ETH) User Manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd
10
17
AIG
Differential analogue input
Can be used in pairs with AI 3
18
AI 3
Differential analog input channel 3
Differential analog input pin, forming input with AIG
19
AIG
Differential analogue input
Can be used in pairs with AI 2
20
AI 2
Differential analog input channel 2
Differential analog input pin, forming input with AIG
21
AIG
Differential analogue input
Can be used in pairs with AI 1
22
AI 1
Differential analog input channel 1
Differential analog input pin, forming input with AIG
23
Ethernet
Mesh port
Ethernet Connection Port
24
Reload
Reset button
Long press 5s to work
25
NC 1
Normally closed pin of Relay 1
Cooperate with common end of relay 1
26
COM 1
Relay 1 Common End
Cooperate with the normally open/closed pin of relay 1
27
NO 1
Normally open pin of Relay 1
Cooperate with common end of relay 1
28
NC 2
Normally closed pin of Relay 2
Cooperate with common end of relay 2
29
COM 2
Relay 2 Common End
Cooperate with the normally open/closed pin of relay 2
30
NO 2
Normally open pin of Relay 2
Cooperate with common end of relay 2
31
NC 3
Normally closed pin of Relay 3
Cooperate with common end of relay 3
32
COM 3
Relay 3 Common End
Cooperate with the normally open/closed pin of relay 3
33
NO 3
Normally open pin of Relay 3
Cooperate with common end of relay 3
34
NC 4
Normally closed pin of Relay 4
Cooperate with common end of relay 4
35
COM 4
Relay 4 Common End
Cooperate with the normally open/closed pin of relay 4
36
NO 4
Normally open pin of Relay 4
Cooperate with common end of relay 4
37
Ground screw
Connected to the earth
Connected to the earth
LED light
AI 1
Differential analog input channel 1 indication
Green LED, lights up when input ≥0.5mA
AI 2
Differential analog input channel 2 indication
Green LED, lights up when input ≥0.5mA
AI 3
Differential analog input channel 3 indication
Green LED, lights up when input ≥0.5mA
AI 4
Differential analog input channel 4 indication
Green LED, lights up when input ≥0.5mA
DI 1
Switch Input Channel 1 indication
Green LED,lights up when DI 1
、
DIG short connect
DI 2
Switch Input Channel 2 indication
Green LED,lights up when DI 2
、
DIG short connect
DI 3
Switch Input Channel 3 indication
Green LED,lights up when DI 3
、
DIG short connect
DI 4
Switch Input Channel 4 indication
Green LED,lights up when DI 4
、
DIG short connect
DO 1
Relay 1 output indication
Green LED,lights up when NO 1, COM 1 closed
DO 2
Relay 2 output indication
Green LED,lights up when NO 2, COM 2 closed
DO 3
Relay 3 output indication
Green LED,lights up when NO 3, COM 3 closed
