Ebyte 4440-GPRS, Руководство пользователя

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Wireless Data Transceiver E850-DTU(4440-GPRS) datasheet
Copyright ©2012–2018
，成都亿佰特电子科技有限公司
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DIG switch input ground Can be paired with DI 2
13
DI 3 switch input 3 Forming dry contact with DIG
14
DIG switch input ground Can be paired with DI 3
15
DI 4 switch input 4 Forming dry contact with DIG
16
DIG switch input ground Can be paired with DI 4
17
NC 1 Relay 1 normally
closed pin
Can be paired with common end of relay 1
18
COM 1 Common end of relay
1
Can be paired with other pins of relay 1
19
NO 1 Relay 1 normally
open pin
Can be paired with common end of relay 1
20
NC 2 Relay 2 normally
closed pin
Can be paired with common end of relay 2
21
COM 2 Common end of relay
2
Can be paired with other pins of relay 2
22
NO 2 Relay 2 normally
open pin
Can be paired with common end of relay 2
23
NC 3 Relay 3 normally
closed pin
Can be paired with common end of relay 3
24
COM 3 Common end of relay
3
Can be paired with other pins of relay 3
25
NO 3 Relay 3 normally
open pin
Can be paired with common end of relay 3
26
NC 4 Relay 4 normally
closed pin
Can be paired with common end of relay 4
27
COM 4 Common end of relay
4
Can be paired with other pins of relay 4
28
NO 4 Relay 4 normally
open pin
Can be paired with common end of relay 4
LED
1 AI 1 Analog input channel
1 indication
Green LED, large enough input (≥0.5mA) lights up
2 AI 2 Analog input channel
2 indication
Green LED, large enough input (≥0.5mA) lights up
3 AI 3 Analog input channel
3 indication
Green LED, large enough input (≥0.5mA) lights up
4 AI 4 Analog input channel
4 indication
Green LED, large enough input (≥0.5mA) lights up
5 DI 1 switch input channel
1 indication
Green LED, lights up when DI 1 and DIG are shorted
6 DI 2 switch input channel
2 indication
Green LED, lights up when DI 2 and DIG are shorted
7 DI 3 switch input channel Green LED, lights up when DI 3 and DIG are shorted