Description: Product Name: 8ch RS485 Modbus Rtu Control Module for Relay PLC Switch Board AT DC 5V 12V 24V Package inlcuded: 1 x 5V/6-24V 8 Channel Multifunction RS485 Control Board for 1-8 CH Relay Module Description: 1: Operating Voltage : DC 5V(5V Version) / DC 6-24V(6-24 Version) 2: Operating Current : 10-15MA 3: open close Momentary Self-locking Interlock Delay 6 Commands 4: Two instruction-control mode : AT command and MODBUS command 5: Under the AT command ,the maximum delay is 9999 seconds Under the MODBUS command ,the maximum delay is 255 seconds 6 AT commands can be made serial HyperTerminal (serial assistant) Enter; MODBUS commands can be made serial HyperTerminal (serial assistant) OR Modbus Poll Enter; 7 Under the MODBUS command mode, it can support up to 247 devices in parallel 8 With RS485 and RS232 (TTL) dual bus interface 9 Output control pins 8, 5V TTL level, low level (default) / high level output 10 Size: 45 * 30 * 15mm 11 Weight: 10g Instruction manual Please ask us after the purchase Application Automated industry PLC Relay Module Smart Home,Home Automation ; Identification system; Motor FW & BW; CCTV Camera PTZ Control; Security system; LED dot matrix screen; RS485 remote control; Command mode selection :( figure above) M0 disconnect is MODBUS command mode. M0 Connect is AT command mode. Output level selection : ( figure above) M1 disconnect is Low level output. M1 Connect is Hight level output Slave ID: Different Sliver ID can be set by command, the maximum number is 247 Under the MODBUS command mode,the slave ID must be correct command Description, Please refer to 8 Channel Multifunction RS485 Module commamd Typical applications: 1 AT command mode (M0 Connect), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds 2 MODBUS command mode (M0 disconnect), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control It can control 1-8 channels 5V/6V/9V/12V/24V Relay Module With RS485 interface and RS232 (TTL) interface Version identification: The 6-24V version comes with a 78M05 chip, and the back of the PCB board is labeled 12/24V. The 5V version does not have a 78M05 chip, and the back of the PCB board is labeled as 5V. Test Software(We offer a demo video): Serial HyperTerminal: Modbus Poll
Price: 4.39 USD
Location: Guangzhou
End Time: 2024-02-09T10:01:44.000Z
Shipping Cost: 2.99 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: eletechsup
Type: RS485 Modbus
Available Variations
Color: 5V
Price: 4.39 USD
Available Quantity: 100
Quantity Sold: 0
Color: 6-24V
Price: 4.39 USD
Available Quantity: 101
Quantity Sold: 1