Elecbee R221A08 8CH Serial Port Relay Module DB9 UART RS232 Remote Control Switch 12V DC for Smart Home

SKU: EB0042244

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Key Features

Specifications

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Attribute

Value

Model

R221A08

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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 <

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