- 1 x 5 Channels 4-20mA Analog Output
- 1 x 8 Channels Digital 5Amps 250VAC/30VDC Relay Output
- 1 x 8 Channels 0-20mA Analog Input
- 1 x 8 Channels 12-275 AC-DC, 60mA Digital Optocoupler Input Modbus TCP Remote IO Device
- Supports 2 x 10/100Base-T(X) ports
- Supports Full/Half-Duplex, auto MDI/MDI-X on each port
- Embedded web interface for ease of use
- Radio Band Options:
868MHz
EU 868 MHz – Europe, LoRaWAN RF Communication
- LoRaWAN data send interval configurable
- MQTT Publisher with different data transfer options
Parsed Data as Data Objects
Parsed Data as Modbus Frame
- Built in LoRaWAN Duty Cycle Check
- Activation Over Air (OTAA) or Activation by Personalization (ABP) Selectable
- User defined LoRAWAN Port
- Adaptive Data Rate functionality
- Selectable Uplink Data Rate
- Selectable Power Level
- LoRaWAN Class C and Class A support
- Easy to follow Device Status on web interface
- Easy to follow LoRaWAN packages on web interface
- Easy to follow Device Parameters such as Device Up Time, Modbus read counter etc. on web interface
- Easy to follow Modbus data packages on web interface
- Instant switch between Server-Client Operating Modes with buttons
- Up to 10 client connection in Server Mode
- DHCP Server Capability
- Device Address changeable via web interface
- Output configuration can be defined by user for restart
- Output values can be saved and applied during auto restart
- I/O Mirror functionality: Device can duplicate output from a Modbus input device
- Black List and White List based IP Filter in TCP Server Mode
- Firmware Upgrade over Web
- 2 firmware storage capability on same device (1 active only)
- 100 - 240V AC (120 – 370V DC), 50Hz to 60Hz AC wide range power input
- Wide operating temperature range from -30 to 70 °C
- Rugged Metal IP-40 housing design
- DIN-Rail mounting
TECHNOLOGY
LoRa TECHNOLOGY
Based on
STM32L151CxU6Axx
Pre-Certified according to EN 300 220
Sensitivity
Down to -138 dBm
Link Budget
Up to 156 dB
Communication Distance
Up to 15km (Line of Sight)
Typical Communication Distance Indoor/Urban
>2km
LoRaWAN Activation Options
Activation Over Air (OTAA)
Activation by Personalization (ABP)
User Selectable
LoRaWAN Port
User Selectable
Adaptive Data Rate
Available
Uplink Data Rate
SF12 / 125 kHz / 250 bps
SF11 / 125 kHz / 440 bps
SF10 / 125 kHz / 980 bps
SF9 / 125 kHz / 1760 bps
SF8 / 125 kHz / 3125 bps
SF7 / 125 kHz / 5470 bps
SF7 / 250 kHz / 11000 bps
FSK 50k / NA / 50000 bps
Tx Power Level
0 to 16dBm Configurable
LoraWAN Class
Class A
Class C
LoraWAN Data Send
Interval defined by user
Data Format as Modbus Frame
ETHERNET SWITCH TECHNOLOGY
Ethernet Standards
IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-T(X)
IEEE 802.3x Flow Control
Mac Table
1K MAC address entry
Processing
Store-and-Forward
Memory
448K bits packet buffer memory
LoRaWAN, MODBUS and MQTT DETAILS
LoRaWAN DETAILS
Status Message - Device Status
Message sent to LoRaWAN Port number 1 in every connection to LoRaWAN Server
4 Bytes: HUR Device Id
1 Byte: Frame Type (Lower 4 bits) and Package Number (Upper 4 bits). If Package Number is 1 or more that means the package splitted.
0x00 : means status package for device status and package is the first package
1 Byte: Number of I/O Slots available in HUR device
1 Byte for each Slot (4 bytes for 4 Slots): Slot Types available in HUR device
Available Options: 'HUR_8_DIGITAL_IN', 'HUR_8_DIGITAL_OUT', 'HUR_8_ANALOG_IN', 'HUR_5_ANALOG_OUT'
1 Byte: LoRaWAN target port for I/O data
4 Bytes: RTC Time
3 Bytes: HUR Device firmware version
N Bytes (maximum 22): LKM Device name configured by user
I/O Data Message
Message sent to LoRaWAN configured port and minimum send interval can be configured by user
4 Bytes: HUR Device Id
1 Byte: Frame Type (Lower 4 bits) and Package Number (Upper 4 bits). If Package Number is 1 or more that means the package splitted.
0x02 : means meter data package and package is the first package
4 Bytes: RTC Time
1 Byte: Number of I/O Slot which the data is shared
1 Byte: Type of I/O Slot which the data is shared
1 Byte: Total number of bytes in Payload
1 Byte For 'HUR_8_DIGITAL_IN' and 'HUR_8_DIGITAL_OUT' Slots
16 Bytes for 'HUR_8_ANALOG_IN' Slots
10 Bytes for 'HUR_5_ANALOG_OUT' Slots
MODBUS DETAILS
Protocol
Modbus TCP
Modbus Address
Default value is 0x01
Changeable via Web Interface
Save Output Values Before Auto Restart
Default enabled and when system auto restarts the values are saved and applied after restart
Save Output Values and Apply on Power Up
Default disabled, user can activate and enter parameters for each output individually
Changeable via Web Interface
I/O Mirror Functionality
Default disabled
If enabled, device can read input value of remote HUR device and duplicate those values as output
Monitoring Parameters
Modbus Read counter
Time counter (in seconds)
FW version
Device Up Time
TCP packages
MQTT DETAILS
MQTT Publisher can be enabled and can be used in parallel with Modbus conversion (or stand alone)
MQTT Connection
Broker IP and Port can be entered
Client ID , User name and Password can be set
Publish Topic and Subscribe Topic can be defined from web interface
Data Send Interval
User can send Data send interval in seconds
Default is 60 seconds and HUR will send meter data to MQTT server in that interval
NTP Server
NTP server time will be added to each MQTT message
Data Format
There are 2 predefined formats
Parsed Data As Objects: Sends I/O values in ASCII readable fromat
Parsed Data as Modbus Frame: Send just like the response of Modbus query as hex data (smaller data size)
CONNECTORS AND PORTS
SMA Antenna Connector for LoRa
1 Standard SMA female interface, 50 ohm
Console Port
USB Type C or Micro USB connection for LOG in 115200 baud
10/100T(X) RJ45 Ports
Ethernet Connection on 2 ports
Reset Buttons
Reset to Client and Reset to Server Operating modes buttons
INPUT CONNECTORS AND INDICATORS
SLOT 1
I/O Connectors
Terminal Connectors
Analog Outputs: 1 Slot x 5 Channel 4-20mA Analog Output
5 Analog Outputs total 10 connection pins.
4-20mA Analog Output designed for 24V 250ohm load or 12V 125ohm load.
Over Voltage Protection
Analog Output:
40V
SLOT 2
I/O Connectors
Terminal Connectors
Digital Outputs: 1 Slot x 8 Channel 5Amps 250VAC/30VDC Digital Relay Output
8 Channel Output terminals and polarity is not important. 2 pins for each connection and total 16 connection pins.
Maximum 5 Amperes 250VAC/30VDC for each channel.
Dielectric Strength
3kV dielectric strength (between coil and contacts)
Meets IEC61131-2 reinforce insulation
Output Status LEDs
Shows which pin is ON and OFF for Digital Output versions.
SLOT 3
I/O Connectors
Terminal Connectors
Analog Inputs: 1 Slot x 8 Channel 0-20mA Analog Input
Polarity is important and all inputs references to Common point.
2 Common points 8 Analog Inputs total 10 connection pins.
0-10V and 0-20mA Selectable during order (default is 0-20mA) Analog Input
Analog Input Features
16-bit resolution with no missing codes
Throughput: 250 kSPS
SLOT 4
I/O Connectors
Terminal Connectors
Digital Inputs: 1 Slot x 8 Channel 12-275V AC-DC, 60mA Digital Optocoupler Input
8 Channel Input terminals and polarity is not important. 2 pins for each connection and total 16 connection pins.
12-275 AC-DC, 60mA Digital Optocoupler Inputs.
Isolation
Digital Optocoupler Input:
4470Vrms 1min
Over Voltage Protection
Digital Optocoupler Input:
275V
LED INDICATORS
Power Indicator
Power LED
10/100T(X) Indicators
Activity LEDs:
ETH1, ETH2 and HUR (Activity of device itself)
System Indicators
Status LED,
Tx and Rx of data LEDs and Server LED
(LED ON: Server Operating Mode, LED OFF: Client Operating Mode)
Slot LEDs
S-1, S-2, S-3 and S-4: Turns On for 1 second and Turns OFF for 1 second under normal operation of I/O Interface.
Each LED corresponds to related I/O Slot.
Console Indicators
Tx and Rx of data LEDs
POWER
Input Range
100 - 240V AC (120 – 370V DC), 50Hz to 60Hz AC input
Isolation
Fully Isolated >4200Vrms, 5mA 1 Min
Insulation: Class II
PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
Enclosure
Metal, IP 40
Dimensions
115 x 970 x 126 (w x d x h) mm
Weight
~700gr
Storage Temperature
-40 to 105 °C
Operating Temperature
-30 to 70 °C
Operating Humidity
5% to 95%Non-condensing
HUR1841: Multi Slot, 4 x 5 Channels 4-20mA Analog Output, 1 x 8 Channels Digital 5Amps 250VAC/30VDC Relay Output, 1 x 8 Channels 0-20mA Analog Input, 1 x 8 Channels 12-275 AC-DC, 60mA Digital Optocoupler Input Modbus TCP Remote IO Device with MQTT and 868MHZ LoRaWAN Connectivity, 2 x 10/100 T(x) ETH ports, 100 - 240V AC (120 – 370V DC), 50Hz to 60Hz AC Power Input