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12-channel network IO controller
12-channel network IO controller
12-channel network IO controller
12-channel network IO controller
12-channel network IO controller
12-channel network IO controller
E851-RTU(4440-ETH) 12-channel network IO controller

[Acquisition type:]： digital/analog

[Interface type:]： RS485/Ethernet

[Number of acquisition channels:]： 12 channels

[Network Type:]： Ethernet

[Net weight of product:]： 457.5±5g

[Introduction]：E851-RTU(4440-ETH) is a network IO product that supports 4-channel digital input (default dry contact), 4-channel differential analog input, and 4-channel relay output. Support Modbus TCP/RTU protocol . The product has a high degree of ease of use, and users can easily and quickly integrate into their own systems to achieve Ethernet-based remote control.

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1
SN Ports Function Illustration
1 DC-IN transposon DC socket 5.5*2.1mm Power input，DC 8V~28V, 12V/24V is recommended,cannot be powered with the crimp terminal at the same time
2 DC-IN + Crimped power input positive power input,DC 8V~28V，12V/24V is recommended,cannot be powered with the DC socket at the same time
3 DC-IN - Crimped power input negative Power reference ground
4 RS485 B RS485 interface B RS485 interface B is connected with device B interface
5 RS485 A RS485 interface A RS485 interface A is connected with device A interface
6 RS485 G Signal reference can be unconnected
7 DIG Switching input Can be used in pairs with DI 4
8 DI 4 Switch input channel 4 Form dry contact with DIG
9 DIG Switching input Can be used in pairs with DI 3
10 DI 3 Switch Input Channel 3 Form dry contact with DIG
11 DIG Switching input Can be used in pairs with DI 2
12 DI 2 Switch Input Channel 2 Form dry contact with DIG
13 DIG Switching input Can be used in pairs with DI 1
14 DI 1 Switch Input Channel 1 Form dry contact with DIG
15 AIG Differential analogue input Can be used in pairs with AI 4
16 AI 4 Differential analog input channel 4 Differential analog input pin, forming input with AIG
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
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