R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home
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Description
>>>Manual: Click here to open<<<
Description:
- Power Input: DC 12V(8.5-13.5V).
- Standby Current: (all relays closed) 18mA, 1 relay open 51mA, 2 relays open 82mA, 3 relays open 112mA, 4 relays open 142mA, 5 relays open 170mA , 6 relays open 198mA , 7 relays open 227mA , 8 relays open 251mA
- PC Serial ports RS232 Control Relay;
- Power indicator : LED lights;
- Output indication : relay output with LED indicators,easy to see working status of the relay;
- Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission.
- Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes.
- Size : 94 x 62 x 19 mm
Control Commands:
1. Reading status(reading the satus of the relay (on/off))
Channel 1 55 56 00 00 00 01 00 AC
Channel 2 55 56 00 00 00 02 00 AD
Channel 3 55 56 00 00 00 03 00 AE
Channel 4 55 56 00 00 00 04 00 AF
Channel 5 55 56 00 00 00 05 00 B0
Channel 6 55 56 00 00 00 06 00 B1
Channel 7 55 56 00 00 00 07 00 B2
Channel 8 55 56 00 00 00 08 00 B3
2.Relay open (issue this command,Relay open,COM connect to NO)
Channel 1 55 56 00 00 00 01 01 AD
Channel 2 55 56 00 00 00 02 01 AE
Channel 3 55 56 00 00 00 03 01 AF
Channel 4 55 56 00 00 00 04 01 B0
Channel 5 55 56 00 00 00 05 01 B1
Channel 6 55 56 00 00 00 06 01 B2
Channel 7 55 56 00 00 00 07 01 B3
Channel 8 55 56 00 00 00 08 01 B4
3. Relay close (issue this command,Relay close,COM disconnect NO,and COM connect to NC)
Channel 1 55 56 00 00 00 01 02 AE
Channel 2 55 56 00 00 00 02 02 AF
Channel 3 55 56 00 00 00 03 02 B0
Channel 4 55 56 00 00 00 04 02 B1
Channel 5 55 56 00 00 00 05 02 B2
Channel 6 55 56 00 00 00 06 02 B3
Channel 7 55 56 00 00 00 07 02 B4
Channel 8 55 56 00 00 00 08 02 B5
4. Relay toggle(Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Reverse COM connect to NC,and vice versa)
Channel 1 55 56 00 00 00 01 03 AF
Channel 2 55 56 00 00 00 02 03 B0
Channel 3 55 56 00 00 00 03 03 B1
Channel 4 55 56 00 00 00 04 03 B2
Channel 5 55 56 00 00 00 05 03 B3
Channel 6 55 56 00 00 00 06 03 B4
Channel 7 55 56 00 00 00 07 03 B5
Channel 8 55 56 00 00 00 08 03 B6
5. Relay momentary(Relay COM connect to NO,disconnect after 200MS)
Channel 1 55 56 00 00 00 01 04 B0
Channel 2 55 56 00 00 00 02 04 B1
Channel 3 <
R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home
$14.99