| Hardware Parameter |
Index |
Remark |
Size (H*W*D) |
124*105*25 mm |
|
Weight |
132±2 g |
|
Operation temperature |
-40℃ -+70℃ |
|
Storage temperature |
-40℃ -+85℃ |
|
| Operation humidity |
5% ~ 95% |
|
| Storage humidity |
1% ~ 95% |
|
| Operation voltage |
8V ~ 28V |
|
| Relay output |
5A 30VDC / 5A 250VAC |
|
| Data interface |
RS485:9600bps |
|
| Software parameters |
Index |
| Operation mode |
Following TX, Following RX, Controlling &Collecting, Configuration |
| Configuration command |
Modbus RTU |
| RF Parameter |
Index |
Remark |
| Factory default frequency |
426MHz |
- |
| TX power |
30 dBm |
Max. Power (1W) |

| Pin No. |
Pin Item |
Function |
Description |
| 1 |
DI1 |
Switch signal input channel 1 |
Switch value collecting channel 1, Optocouplerisolation |
| 2 |
COM1 |
Switch signal input channel 1 |
The common end of input channel 1, connected to themodule ground internally |
| 3 |
DI2+ |
Switch signal input channel 2 |
Switch value collecting channel 2, Optocouplerisolation |
| 4 |
COM2 |
Switch signal input channel 2 |
The common end of input channel 1, connected to themodule ground internally |
| 5 |
RESET |
Reset button |
In collecting mode, the Modbus address can be reset tothe default address 01
by long-pressing 5S
|
| 6 |
485_A |
RS_485 A |
RS_485 A connects with device A connector, only for configuration |
| 7 |
485_B |
RS_485 B |
RS_485 B c0nnects with device B connector, only for configuration |
| 8 |
GND |
Wire pressing power input negative |
Power GND |
| 9 |
VCC |
Wire pressing power input positive |
Power input, DC 8V~28V, 12V/24V recommended |
| 10 |
PWR/ACK |
Power/ACK indicator |
Dual-color indicator, blue represents power,green represents ACK. |
| 11 |
D1 |
TX/RX indicator |
Dual-color indicator, when DI1 has an inputsignal, the blue light is on; when relay 1 is active,
the green light is on.
|
| 12 |
D2 |
TX/RX indicator |
Dual-color indicator, when DI1 has an inputsignal, the blue light is on; when relay 1 is active,
the green light is on.
|
| 13 |
ANT |
Antenna connector |
433MHz antenna |
| 14 |
M1 |
Dial switch 1 |
Mode selection |
| 15 |
M0 |
Dial switch 0 |
Mode selection |
| 16 |
COM2 |
Switch signal output channel 2 |
The common end of input channel 2- |
| 17 |
NO2 |
Switch signal output channel 2 |
Relay 2 output open |
| 18 |
COM1- |
Switch signal output channel 1 |
The common end of input channel 1 |
| 19 |
NO1+ |
Switch signal output channel 1 |
Relay 1 output open |