Reset Button Description; Description Of The Leds; Dip Switch Description - Ebyte E830-DTU(2R2-433L)-V8 User Manual

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10 PWR/ACK
11 D1 Input/output indicators
12 D2 Input/output indicators
13 ON
14 M1
15 M0
16 COM2 Relay output channel 2
17 NO2 Relay output channel 2
18 COM1 Relay output channel 1
19 NO1 Relay output channel 1

4.1 Reset button description

Long press 5S is effective, and after successful reset, three green indicators will flash at the same time.
Note: Only in the acquisition control mode can take effect, and only reset the address of Modbus is 0x01H, other parameters will not
reset, to restore the default factory settings, please use the host computer to configure.

4.2 Description of the LEDs

PWR/ACK: Power/ACK indicator
When the DTU is powered on, the power light is always on, which is blue; only when the transmitter receives the ACK returned by the
receiver, this two-color indicator light will change from blue to purple and then back to blue, and when the color of the indicator
changes, it means that the transmitter receives the ACK of the receiver
D1: Input/output indicator
Two-color light, blue light when DI1 has input signal, green light when relay 1 has action
D2: Input/output indicator
Two-color light, blue light when DI2 has input signal, green light when relay 2 has action

4.3 DIP switch description

The working mode is established by means of a DIP switch (the state of M1M0, down to "ON");
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Two-color light, blue light for power indicator, power on solid on, green light
Power/ACK LED
for ACK indicator
Two-color light, blue light when DI1 has input signal, green light when relay 1
has action
Two-color light, blue light when DI2 has input signal, green light when relay 2
has action
Wireless module
433M antenna interface
antenna interface
DIP switch 1 M0/M1 dialing codes determine the operating mode
DIP switch 0 M0/M1 dialing codes determine the operating mode
Relay 2 outputs the common terminal
Relay 2 output normally open
Relay 1 outputs the common terminal
Relay 1 output normally open
E830-DTU(2R2-433L)-V8 User Manual
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