Direction:None
Security Mode:Fail Safe with Signal
Model Number:DT-R008
Origin:Mainland China
Certification:CE
Smart home platform:Other
Protocol:MQTT,HTTP GET,Modbus,CoAP,dingtian string,dingtian binary
Interface:RJ45/WIFI/RS485/CAN
Power supply:12V/24VDC,12/24VAC
Channel:2CH, 4CH, 8CH
Input type:Digital input
Smart automation:domoticz,home assistant,openHAB,Red-Node
Chip:ESP32
DIN Type:DIN35 rail
Function:IP Watchdog, Task, NTP client, Input mutual control, OTA Upgrade
Size of DT-R002:87*68mm
Size of DT-R004:91.6*86.4mm
Size of DT-R008:122*87mm

Relay function Instruction,please see and decide which you need, if you still not understand, also can contact us:
When you choose:
1.Ethernet means just support Ethernet
2.Ethernet WIFI means support Ethernet and WIFI
3.Ethernet RS485 means support Ethernet and RS485
4.Ethernet CAN means support Ethernet and CAN
Support Customized and design by our company
User manual and programming manual SDK :
http://www.dingtian-tech.com/sdk/relay_sdk.zip
Features:
Support multiple channel relay, On/Off/Delay/Momentary.
Support Domoticz
Support multiple interface RJ45/RS485/CAN/WIFI
Support HTTP GET CGI(Ethernet)/UDP/TCP Server/TCP Client
10/100Mbps ethernet, Auto-MDIX,DHCP ip,Static IP
Local Button control
PC software config and control
WEB config and control
Support password
Support MQTT/Modbus/CoAP
Technical Parameter:
Relay Size:
2 relay:
PCB: 87 x 68 mm
Distance of hole: 80 x 60 mm
Diameter of hole: 3.5 mm
4 relay:
PCB: 91.6 x 86.4 mm
Distance of hole: 85.3 x 80 mm
Diameter of hole: 3.5 mm
8 relay:
PCB: 122 x 87 mm
Distance of hole: 115 x 80 mm
Diameter of hole: 3.5 mm
Because of different chip, there is 2versions shipped in random, the function and size is the same , thanks
This is a finished board, not a study board, which cannot support flash by yourself, if you need to flash your firmware, please contact us before order.
Version 1: there is no STM32 chip, it has
N32G457VCL7
or
AT32F407VCT7
chipin random
Support Domoticz
Non-polar power
Multiple Interface
RJ45
10/100Mbps ethernet, Auto-MDIX,DHCP ip,Static IP
CAN bus
5/10/25/50/100/125/200/250/500/800/888/1000Kbps
RS485
1200/2400/4800/9600/19200/34800/57600/115200bps
WIFI
150Mbps
RS 485/CAN 120R Jumper
120R suppress echo interference
How to reset
1.Power off
2.Close reset jumper
3.Power on
4.Wait one minute
5.Power off
6.Open reset jumper
7.Power on and reset successfully
WIFI LED
LED on means relay connect route successfully
LED off means relay connect route fail,please set route SSID and password with ethernet web
Web Login
Default ip: 192.168.1.100
Default user name: admin
Default password: admin
Web ethernet config
Config relay ethernet parameters
Web relay config
config relay connect
Relay HTTP GET CGI test
Ethernet software search relay
Support Different network segment communication
Mulitcast addr: 224.0.2.11
notice
only udp support multicast
function
1 test relay
2 config relay
Ethernet software config relay
config
ETHERNET parameters
RS485 parameters
CAN parameters
Server addr and port
Relay password
Power failure recovery
Key type(Follow,Jog,Self-Lock)
FAQ
Q: What is the ethernet and WIFI address?
A: Ethernet IP: 192.168.1.100
WIFI: 192.168.7.1
WIFI SSID: dtrelaySN
WIFI PASSWORD: dtpassword
Q:Saves relay status after power off/on on board?
A:Yes, it can save the status
Q: RS485: protocol modbus/BACnet ?
A: Yes, support Modbus
Q:Support url relay commands?
A:Yes, it support HTTP GET CGI API