Modbus RTU Octal Relay Module RS485 / TTL UART 8 inputs 8 Outputs Switch Board
$41.54
Shipping:Standard Shipping about 10-25 business days
Secure Payment:Paypal,VISA,MasterCard
Size Conversion
Inches
Centimeters
Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Manual:Click here to open
Feature
1. Onboard mature and stable STM8S103K3T6 MCU and MAX485 level conversion chip
2. Communication protocol:support standard Modbus RTU protocol
3. Communication interface:support TTL UART interface with RS485 / 5V level
4. Communication baud rate:4800/9600/19200, default 9600bps, support to save after power off
5. The signal range of optocoupler input:DC3.3-30V (this input cannot be used for relay control)
6. Output signal:relay switch signal, support manual, flash off, flash off mode, flash off / flash delay base is 0.1S, maximum flash off / flash time can be set to OxFFFF * 0.1S = 6553.5S
7. Device address:range 1-255, default 255, support to save after power off
8. Baud rate, input signal, relay status, device address can be read using software / command
9. On-board 8-channel 5V, 10A / 250v AC, 10A / 30vDC relay, which can be continuously attracted 100,000 times, with diode bleed protection, short response time
10. Onboard relay switch indicator
11. STM8 SWIM program is reserved for programming, supporting customers to download their own firmware for secondary development
12. Power supply voltage:DC7-30V, 5.08mm terminal power supply
Package includes
1 x Realy board
1. VCC, GND:DC7-30V 5.08mm power input terminal
2. DC3.3-30V optocoupler signal input
IN1-IN8:Positive channel 1-8
GND_IN:Channel 1-8 common negative
3. A+, B-:RS485 communication interface, A +, B- are connected to A +, B- of external control terminal respectively
4. 5V, SWIM, GND, NRST:STM8 SWIM program download port
5. TXD, RXD, GND:TTL level UART communication interface, TXD, RXD, GND are connected to RXD, TXD, GND of the external control terminal, only support 5V level TTL module / MCU. Use wiring order suggestion:Modbus Power-Modbus module connects to TTL module-TTL module is powered on
6. RST:MCU reset button
7. Relay switch signal output
NO:Normally open, the relay hangs before pull-in, short-circuit with COM after pull-in
COM:Common
NC:Normally closed end, the relay is short-circuited with COM before pull-in, and hangs up after pull-in
Weight | 0.154 kg |
---|
Customers Also Viewed
3Pcs 0.96 inch 4Pin White IIC I2C OLED Display Module 12864 LED
$38.88Display ScreenAdd to cartFeatureOLED Driver IC:SSD1306Resolution:128 x 64Visual Angle:>160°Input Voltage:3.3V ~ 6VCompatible I/O Level:3.3V, 5VMini Size:2.7 x 2.8cmOnly Need 2 I/O Port to ControlFull Compatible , 51NoteIf you decide to buy OLED display, you must confirm that you can make it work by yourself, we’ll haven’t any technology support. Thanks for your understanding and support.Package included3 x 0.96 …
3Pcs 0.96 inch 4Pin White IIC I2C OLED Display Module 12864 LEDRead More
Micro:Bit bluetooth 4.0 Low Energy Open Development Board for Programming
$60.06Raspberry Pi & Orange PiAdd to cartOverviewThe micro:bit is an open development board that allows you to run code on it and have access to all of the hardware.You can use your micro:bit for all sorts of cool creations, from robots to musical instruments – the possibilities are endless.This little device has an awful lot of features, like 25 red LED …
Micro:Bit bluetooth 4.0 Low Energy Open Development Board for ProgrammingRead More
500mL 24/40 Glass Filtering Flask Lab Filtration Conical Flask Bottle Laboratory Glassware
$58.71Glassware KitAdd to cartDescription– Flasks are glass or plastic containers for storing or collecting chemical samples or solutions in scientific laboratories.– It shaped like a cone with a wide, flat base that narrows to a neck opening, which can be closed with a stopper or cap.SpecificationMaterial:Borosilicate GlassCapacity:500mLFlask Style:Filtering (vacuum)Feature– The neck is 24/40 Ground Joint.Package Included1 x Glass …
500mL 24/40 Glass Filtering Flask Lab Filtration Conical Flask Bottle Laboratory GlasswareRead More
AC 100W 40KHZ Ultrasonic Cleaning Power Driver Board with 50W 40K Transducer 220V
$98.40Driver ModuleAdd to cartSpecificationsPower:220V 100WPendulum:50W 40KHZApplies to:Low-power ultrasonic cleaning machine, household cleaning machine, ultrasonic generator built machine.Features1. The ultrasonic generator can monitor the power system frequency ultrasound power.2. According to different requirements of users, real-time adjustment of various parameters, the power, amplitude, and running time.Circuit board and vibration head (ceramic transducer) Wiring instructions1. The board can not no-load …
AC 100W 40KHZ Ultrasonic Cleaning Power Driver Board with 50W 40K Transducer 220VRead More
5pcs 3S 18650 4A 11.1V BMS Li-ion Battery Protection Board 18650 Battery Charging Module Charger Electronic DIY
$19.48Battery Protection ModuleAdd to cartSpecificationsCharging Voltage:12.6V-13VOvercharge Voltage Range:4.25V-4.35V ± 0.05VOverpressure Voltage Range:2.3V-3.0V ± 0.05VUpper Limit Operating Current:3A-4AUpper Limit Instantaneous Current:9A-10AQuiescent Current:less than 30uAInternal Resistance:less than 100mohmEffective Life:more than 30,000 hoursOperating Temperature:-40- +50 degreesStorage Conditions:-40- +80 degreesSize:53 * 16 * 3mmShort Circuit Protection:protection, delay self-recovery ApplicationsThe power range is suitable for the following products:massager battery pack, LED light standby power …
3pcs infrared Light IR Camera Control Board for Surveillance Camera Night Vision CCTV Accessories
$10.52Driver ModuleAdd to cartSize ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.SpecificationsCurrent:700mAVoltage input:12V DCVoltage output:1.7-12V DCSize:38MM * 38MMPotential:good night vision effect; rigorous design, stable performance and strong anti-interference.Use:Suitable for all kinds of infrared lamp board drive, suitable for 1-6 infrared lampFunction:It can be …
Reviews
There are no reviews yet.