Railduino 2.1 - LAN
CZK 7,999
6610.74 VAT excl.
Input / Output module based on Arduino platform
24x digital inputs, 12x relay outputs, 8x digital outputs, 2x analog inputs, 2x analog outputs, 1-wire, RS485, Ethernet ...
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Railduino module is a device working in connection with superior control system (e.g. Loxone) as so called distributed inputs / outputs. With this connection the control system is able to control external devices (e.g. lights, pumps etc.) using outputs or sense the values at the inputs of the module (e.g. buttons, contacts etc.).
Module is equipped with both digital and analog inputs. There are also relay, digital and analog outputs - see the table below. Module can handle 1-wire devices (Maxim/Dallas) as favourite temperature sensors DS18B20 or DS2438 (Unica 1wire sens. module).
Inputs/outputs can be read/controlled by communication bus RS485 or by LAN within computer network. Both types of connections communicate using UDP protocol (User defined protocol). There can be connected up to 15 Railduino modules within the same network/bus.
Version 2.1 - better protection of internal power supply, removed bug for L4 output, improved EMC compatibility
Features and functions:
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- 24x digital inputs - optically separated, max. input voltage 24V DC |
Module settings - address and functions
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Communication settings
| COMMUNICATION | DESCRIPTION | VALUE |
| RS485 | COMMUNICATION SPEED | 115200 BD |
| DATA BITS | 8 | |
| STOPBITS | 1 | |
| PARITY | NONE | |
| LAN | UDP INCOMING PORT | 55555 |
| UDP OUTGOING PORT | 44444 | |
| MODBUS PORT | 502 | |
| IP ADDRESS DYNAMIC | IF DHCP SERVER IN LAN | |
| IP ADDRESS STATIC | 192.168.150.15x - IF NO DHCP SERVER IN LAN (x is MODULE ADDRESS) |
Status LED diodes
| LED DIODE | STATE | DESCRIPTION | REMEDY |
| BLUE | NOT LIT | MODULE BOOTING | WAIT FOR 1 MINUTE |
| MODULE AWAITING LAN CONNECTION | CHECK THE LAN CONNECTION | ||
| NO POWER SUPPLY | CHECK THE POWER SUPPLY | ||
| LIT | MODULE WITH STATIC IP | CHECK DHCP SERVER | |
| BLINKS 1HZ | MODULE OPERATING | - | |
| GREEN | NOT LIT | NO COMMUNICATION VIA LAN / RS485 | - |
| LIT | COMMUNICATING VIA LAN / RS485 | - |
Connection to Loxone
A – LAN connection
B – RS485 bus connection
B – RS485 bus connection
Both connections use UDP communication protocol (User defined protocol) or Modbus protocol (TCP or RTU)
UDP communication settings in Loxone Config
LAN settings of communication for sensing inputs in Loxone Config:
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LAN settings of communication for control of outputs in Loxone Config - address: "/dev/udp/255.255.255.255/44444"
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RS485 settings of communication in Loxone Config:
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MODBUS TCP communication settings in Loxone Config
Modbus mapa a adresování proměnných
Settings of Modbus TCP - insert Modbus server and set IP and port in Loxone Config:
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Settings of Modbus TCP - set the address of the Modbus client - Railduino module
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1. UDP protocol - Digital inputs
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2. UDP protocol - Relay outputs
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3. UDP protocol - Digital outputs - High side switch
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4. UDP protocol - Digital outputs - Low side switch
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5. UDP protocol - Analog inputs
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6. UDP protocol - Analog outputs
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7. UDP protocol - 1-wire bus
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1. Modbus protocol - Digital inputs
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2. Modbus protocol - Relay outputs
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1. "What kind of connection to use with Loxone system?"
2. "How long it will take from pushing the wall switch to actually switching on the lights?"
3. "Is it possible to connect more then one Railduino to the same bus?"
It depends what are you expecting: LAN connection is fast (delay in terms of microseconds) with immediate responses,
but there is need some workaround in LAN safety settings (subnets, VLANs etc..). RS485 is slower (delay in terms of
miliseconds), but is simple, safe and reliable.
2. "How long it will take from pushing the wall switch to actually switching on the lights?"
Whole procedure of communication from Railduino to Loxone and back can be described as follows:
1. Request processing by Railduino (pusching the button) and sending the satet to Loxone – in case of LAN max.
20ms, in case of RS485 max. 30ms
2. Processing in Loxone (reception of information and making of further steps) and sending command to
Railduino– in case of LAN max. 25ms, in case of RS485 max. 35ms
3. Processing in Railduino module (switching the lights on) ‐ in case of LAN max. 20ms, in case of RS485 max.
30ms
So the react time will be max. 95ms (in both cases of LAN or RS485).
Delay is minimum, longer delay will be created by powering up the current power source of LED lights.
3. "Is it possible to connect more then one Railduino to the same bus?"
Yes, every modul has its own address which is set using the DIP switch settings. It is possible to connect up to 15 modules
operating at the same bus LAN or RS485.
4. "How is the Railduino programmed with in Loxone Config? Does thy system detect inputs and outputs?"It is neccessary to insert the virtual inputs and outputs into the Loxone program and make the correct settings (in case of
LAN connection). More details are in the Loxone example file which can be downloaded in the download section.
5. "What is the power consumption of Railduino module?"In the worst scenario – Railduino module with LAN connection (24V power supply) has consumption of approx. 120mA
(with all relays off) and consumption of approx. 230mA (all relays on). Therefore power consumption is approx. 6W max.
Minimal consumption can be lower then 2W (no LAN and all relays off).
6. "Digital inputs are not working well, I have to push the switch two times, what is the problem?"There is bad settings in the virtual input command settings ‐ Use as digital input must be UNchecked!
Reviews
Rated 4.93 on the scale 1 - 5 based on 9 customer reviews
Product quality
Delivery time
Producer support
Got two of them in combination with Loxone. <br /> One is in use for internal house domotica operations and other one for garden irrigation control and controlling the solenoid valves etc., works perfect!
Product quality
Delivery time
Producer support
Great and cheap module for loxone
I use 3 of these modules for about 3 years and they still working fine.<br /> Great design
Input / Output module based on Arduino platform
24x digital inputs, 12x relay outputs, 8x digital outputs, 2x analog inputs, 2x analog outputs, 1-wire, RS485, Ethernet ...
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