REL02/DEC

Decentralized relay module

Name: Glue digital agency
Price range: $

Features 2 switched outputs of 8A each and 2 inputs.
Perfect for lighting, small appliances, or as a trigger for other controls
Configurable in various modes: bistable, monostable, timer, interval, etc.
Inputs compatible with push buttons, switches, and NO or NC contacts.
Easily fits into standard flush-mounted boxes.

Technical info Control

Contains 2 x 8A switched outputs and 2 inputs. This module fits into a wall box and is powered by the Qbus bus.

Frequently Asked Questions

How do you read an existing configuration?
This is a completely different procedure depending on the type of controller.
For the CTD controllers this goes as follows:
In the SMIII via "File" or "Utilities / Setup / SD card", click on "Recover QDB from SD".
After confirmation you choose the name and location where the file should be saved. The zipped QDB file is then read from the SD card of the CTD and saved. With a positive answer to the question "Unzip and open restored QDB?", All data will then be immediately available. If the data you were still working on was not sent or saved, you will first receive a notification to do so.

For a CTL controller follow the following procedure:
Because this controller does not yet have a large memory, only limited data can be recovered. Ao the names are abbreviated to 12 characters and serial numbers are not stored anywhere.
The first step is therefore to type in ALL serial numbers via SMII via "File / Modules". These 6-digit serial numbers can be found on every module (DIN rail, switch, detector, etc.). For the SWC0x switches, an extra option was provided to have them send their serial number via “Search for modules”.
When you then click on the "down arrow", you can read all this limited information.
Always use the latest software for configuration.

It is always recommended to use the most recent version. This version supports the newest modules and resolves all known bugs.
If, for example, you enter a serial number and the correct module information does not appear, you are likely not working with the most recent software.
A newer version will always be able to open the older files (.QDB) without data loss.
The latest version of the System Manager software, along with the user manual and version history, can be found in the knowledge center.

Control

Operations via Qbus Control

On / Off
You can switch the contacts of this module ON or OFF via Qbus Control.
With the graph symbol in the top right corner, you can consult the historical data.
24 hr: Here you can see the status of this I/O for the last 24 hours.
7 days: Here you can see the status of this I/O for the last 7 days. You will also see which day this output was on the longest and the shortest. By tapping on a day, you can see in detail how long this output was on.
30 days: Here you can see the status of this I/O for the last 30 days. You will also see which day this output was on the longest and the shortest. By tapping on a day, you can see in detail how long this output was on.

Technical info for installers

Function description
The relay module has no specific function. The module can handle all switching functions: monostable (e.g., a doorbell), bistable (on/off), timer, interval, etc. For controlling shutters/blinds/awnings (anything with a motor), use a decentralized ROL01 module or the DIN-rail module REL08, ROL01PSA, ROL02P, or ROL04PSA! In case of heavy inductive loads (fluorescent lamp transformers) with large capacity or bipolar applications, contactors must be added. The relay module will then energize the coil of the auxiliary relay or contactor.
The maximum cable length between the REL02 inputs and the contacts connected to them is 20 meters. At the input contacts, addresses with their own mode independent of the function of the relay contacts can be defined via the Qbus software. For the type of input contact, the following settings can be selected:
Push button = when a push button is connected to the input (is normally open, only activates a status when the push button is briefly pressed, e.g., a doorbell).
Normally open = contact that is open when not active.
Normally closed = contact that is closed when not active.
Switch = when a switch (on-off) is connected to the input.
Each module has a unique serial number (6 digits). Based on this serial number, the module can be programmed via the Qbus software.
All programming is stored in the module in non-volatile memory. If the module is restarted after a power interruption, the outputs will return to their last position.
The power supply for the contacts must be fused with a maximum 8A fuse.
Technical specifications
GENERAL SPECIFICATIONS:
Power Supply: bus
Ambient Temperature:
Operating Temperature: 10°C to 50°C
Storage Temperature: -10°C to 60°C
Maximum Humidity: 93%, no condensation
Bus Load:
At rest: 5mA without nominal voltage 13.8V.
During operation: 16mA at nominal voltage 13.8V.
Maximum Installation Altitude: 2,000 meters.
OUTPUTS:
OUT1 – OUT2: 2 potential-free normally open contacts. Bistable relay contacts.
Maximum Current: 8A resistive
A fuse of max. 8A must protect the circuits
Contact Resistance: 30mW
Lifespan: min. 100,000 operations
Maximum Current:
Resistive Load (cosj = 1)
8A at 250Vac
8A at 30VDC
Inductive Load (cosj = 0.4; L/R = 7 ms)
3.5A at 250Vac
3.5A at 30VDC
Maximum Switching Voltage:
250Vac
125Vdc
Maximum Switching Power:
Resistive Load (cosj = 1)
2000VA at 250Vac
240W at 30VDC
Inductive Load (cosj = 0.4; L/R = 7 ms)
875VA at 250Vac
170W at 30VDC
It is strongly recommended not to exceed these values; if so, an external contactor must be used.
INPUTS:
IN1-IN2: 2 potential-free contacts.
Input Signal Delay:
- when closing contact: max 100ms
- when opening contact: max 100ms
Input Function: pushbutton, normally open, normally closed, switch: assigned via System Manager.
PHYSICAL SPECIFICATIONS
Housing: Plastic
Protection Rating: IP20
Installation: decentrally connected to the bus
Dimensions (HxWxL): 25mm x49mm x49mm
Weight: approximately 50 grams
ELECTRICAL SAFETY
Bus: 13.8VDC low voltage in compliance with EN60950 – 1: 2006
Non-toxic, compliant with WEEE/RoHS
CE
Compliant with EMC and low voltage regulations. The module complies with EN50491-5-1, EN50491-5-2, EN55022, EN 61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6
Sizing
Explanation of symbols

Equipment where protection against the risk of electric contact is not only based on basic insulation but also on additional protection such as double insulation or reinforced insulation. There is no possibility for grounding.

Before connecting the device, it is mandatory to read the manual of the respective product. ISO7000-0434

Power supply connection (230V) to the power supply connector. IEC 60417-5036

CE conformity. All declarations of conformity are available upon request.
Warranty provision

Standard Warranty Period: 2 years from delivery date.
The warranty is no longer valid if the module has been opened!
Defective modules should be sent without seal along with a description of the defect to our service department:
QBUS N.V.
Joseph Cardijnstraat 19
9420 Erpe-Mere
Belgium
T +32 53 60 72 10
F +32 53 60 72 19
Email: support@qbus.be

General

Safety Instructions
Read the full manual before installing the module and activating the system.
WARNING
The module must be installed, started, and maintained by a certified electrical installer in accordance with the applicable legal regulations of the country.
Never connect AC or DC power to a potential-free input of a REL02. This will damage the input module.
The contacts can also be in a closed state without a bus, as the relays switch bistable. Exceptionally, the contacts can thus be closed, as they are factory tested.

Installation and wiring

Installation

When installing a REL02, we recommend provisioning two installation boxes: one for the installation of the REL02 and connection with the circuits, and the other for connecting the inputs (push buttons). This will improve installation ease.
Power Supply

The REL02 is powered via the bus.
Load

Both relay outputs are equipped with screw connectors. When the relay contacts are used for switching a consumer, it is important to secure the power supply with an automatic 6A circuit breaker or protect it with a glass fuse.
If the consumer to be switched has a high inrush or cut-off current, or if the resistive power exceeds 8A, the relay contact must be used to control a contactor, which can switch the required power.
Inputs

Screw connectors are also provided for the inputs. The cable connecting the potential-free contacts to the inputs must not exceed 20 meters in length.
BUS connection

It is recommended to use the Qbus cable or any other cable with a minimum of 2 conductors of 1mm² as the bus cable. The green shielded EIB cable can also be used if the conductors are paired to achieve a minimum cross-section of 2 x 1mm².

Wiring Diagram

Aansluitschema

Each modules has an unique serial number. By this number the System Manager recognizes the modules.

This is completely explained in our knowledge center.

The REL02 has 2 normally open contacts, on which max. 8 A and 230 V (cosϕ=1) can be connected. These are independently working contacts, each of which can be assigned a separate function by means of the system manager.

When you have entered the serial number in the modules window, the following window will appear.

Besides assigning two relay outputs, you can also read the 2 potential-free inputs. These are configurable on the left-hand side. These can be two inputs totally independent of the relay outputs.

These are the same types of inputs as described for the INPxx