5pcs Modbus RTU 7-24V Relay Module RS485/TTL 1-way input and Output with Anti-reverse Protection
$35.44
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
Product parameters
1. On-board mature and stable 8bit MCU and MAX485 level conversion chip
2. Communication protocol:support standard Modbus RTU protocol
3. Communication interface:Support RS485 / TTL UART interface
4. Communication baud rate:4800/9600/19200, default 9600bps, support power saving
5. Photocoupler input signal:DC3.3-30V (This input cannot be used for relay control)
6. Output signal:relay switch signal, support manual, flash-off, flash-off mode, the delay base of flash-off / flash-off is 0.1S, the maximum settable flash-off / flash-off time is 0xFFFF * 0.1S = 65535 * 0.1 S = 6553.5S
7. Device address:1-255, default 255, support power-down save
8. Onboard one 5V, 10A / 250V AC 10A / 30V DC relay, which can continuously attract 100,000 times, with diode leakage protection, short response time
9. Onboard relay switch indicator
10. Supply voltage:DC7-24V, with input anti-reverse protection
1. VCC, GND:DC7-24V power input
2. IN, GND:DC3.3-30V optocoupler signal input
3. A +, B-:RS485 communication interface, A +, B- are connected to A +, B-
4. Relay switch signal output
NC:normally closed end, the relay is short-circuited to COM before pull-in, and left floating after pull-in;
COM:public end;
NO:Normally open, the relay is suspended before the pull-in, and shorted to COM after the pull-in.
5. Relay indicator:lit when the relay is on
6. GND, RXD, TXD:TTL level UART communication interface, GND, RXD, TXD are respectively connected to GND, TXD, RXD of the external control terminal
Package includes
5 x Modbus RTU 7-24V Relay Module
Weight | 0.13 kg |
---|
Customers Also Viewed
Pellet Grill Cover Smoker Heavy Duty Waterproof Patio Outdoor Barbecue BBQ
$32.39Solar CollectorsAdd to cartDescriptionPellet Grill Cover Smoker Heavy Duty Waterproof Patio Outdoor Barbecue BbqSpecificationsColor:BlackSize:142*57*100cm / 56inchL x22.5inchD x39inchH Features:Waterproof, Tear Resistant, Heavy DutyFeatures— Constructed from 600 Denier polyester oxford fabric with water resistant PVC coating,this heavy duty grill cover and tough fabric provides a powerful protection against any weather:snow,hail,rain and wind etc,and gives your grill all year round …
Pellet Grill Cover Smoker Heavy Duty Waterproof Patio Outdoor Barbecue BBQRead More
52Pi Acrylic Plastic Black Case with 3030 Cooling Fan for Rasberry Pi 4B
$16.07Raspberry Pi & Orange PiAdd 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.DescriptionCompatible with the Newest Raspberry Pi 4 Model B.Protective case is easy to assemble.Material:Top & Bottom are clear acrylic layers; the Middle is ABS plastic layers.Access to all Pi Ports:Power, Video/Audio, USB, …
52Pi Acrylic Plastic Black Case with 3030 Cooling Fan for Rasberry Pi 4BRead More
DC 12V 2 Channel RS232 Relay Module Board Remote Control USB PC UART COM Serial Ports for Smart Home
$14.20Relay ModuleAdd to cart>>>Manual:Click here to openFeaturesChannel:2-channel relay;there are 2 expansion IN ports, low level output Interface:DB9 female RS232 level,can control relay on/off/self-lock/inching by computer terminalOperating Voltage:DC 12V (range:8.5-13.5V)Control Voltage:DC 9V 12V or DC 8.5-13.5V/AC 85-265VControl Current:10APackage Included1 x 2 Channel RS232 Relay
5pcs Green Light Mini 0.36 inch DC Current Meter DC0-999mA 4-30V Digital Display with Reverse Connection Protection Ammeter
$43.50Test & Measuring ModuleAdd to cartFeatureModule name:Current display module:Measurement accuracy:0.10%Refresh rate:About 200ms – times:Display method:Three digits 0. 36inch digital tubeMeasuring range:0A-999mA:Power supply range:4V-30VWorking current:Less than 8mA:Display color:GreenStorage temperature:-10°C to +65°C:Input resistance:50 milliohmsWeight:10g:Peripheral size:35*14*10mmWiring diagram– The ground wire of power supply end and measuring end of this ammeter adopts common ground design, that is, the ground wire of the power supply …
Reviews
There are no reviews yet.