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Instruction Manual DIN-LINK Rako Wired Network DIN Bus Connection Unit 2026 Version 1.0.3
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Contents 1 What is the DIN-LINK? 3 1.1 Product Image 3 1.2 Features of the DIN-LINK 3 1.3 Example DIN Layout 3 2 Panel Overview 4 3 DIN-LINK Modules 5 4 Installation Instructions 6 5 Programming the DIN-LINK 8 6 LED Diagnostics 8 6.1 Display 8 6.2 Output LEDs 9 7 Troubleshooting the Rako Wired Network 9 8 Servicing the DIN-LINK 10 9 System Examples 10 9.1 Radial Wired System 10 9.2 STAR Wired System 11 9.3 Systems with Multiple DIN-LINKs 11 DIN-LINK Instruction Manual | Page 2 Manual Version 1.0.3
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1 What is the DIN-LINK? 1.1 Product Image 1.2 Features of the DIN-LINK - Communicator and power source for the Rako Wired Network and DIN bus - DIN bus port for connecting to DIN modules - RJ45 port for connecting to the DIN-CONNECT for the Rako Wired Network - Programmed using Rasoft Pro to map DIN module outputs into Rooms and Channels - RJ11 port for connection to a HUB or a Rako Wired Network Accessory - Requires a DIN-CONNECT and a DIN-PSU-100 to operate 1.3 Example DIN Layout DIN-LINK Instruction Manual | Page 3 Manual Version 1.0.3
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2 Panel Overview No. Description 1 The input terminals for the DIN bus. LEDs 1-6 are used for diagnostic feedback, the setup button is used for setup 2 mode and device polling. 3 Input terminal from the 24V DC power supply via the DIN-PSU-100. 4 Seven-segment display for diagnostic feedback. 5 Lock for the DIN-LINK to the DIN rail. RJ45 port for the connection to the Rako Wired Network (Maximum of 30 6 Devices Per DIN-LINK) RJ11 port for connection to a HUB or Rako Wired Network Accessory 7 (Maximum of 1) DIN-LINK Instruction Manual | Page 4 Manual Version 1.0.3
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3 DIN-LINK Modules The DIN-LINK is used to communicate with four types of modules: DIN-4T, DIN-8S, DIN-4C and DIN-DLI. Each DIN-LINK module is connected via the DIN bus. The DIN-LINK has a maximum capacity calculated in DIN Power Units (DPU). The maximum DPU per DIN-LINK is 64. Device Description Diagram DPU Four-channel trailing-edge dimmer module. It is suitable for controlling DIN-4T 8 mains dimmable loads. Eight-channel relay module for on/off DIN-8S switching. 8 A four-channel curtain and blind DIN-4C controller module. 8 DIN-DLI Multi-room DALI Controller 16 DIN-LINK Instruction Manual | Page 5 Manual Version 1.0.3
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4 Installation Instructions The overall safety of any system incorporating this equipment is the responsibility of the assembler of the end system. A qualified electrician must install the DIN module. Ensure all wiring follows local electrical standards. Use only appropriately rated cables, and secure all connections before powering on. The DIN module must be connected to a mains supply that includes appropriate protective devices. Failure to comply with these requirements may result in damage to the equipment, risk of fire, or electrical hazards. Pull down the DIN clamp at the 1 bottom of the unit to unlock it. Once unlocked, place the 2 DIN-LINK over the DIN rail. DIN-LINK Instruction Manual | Page 6 Manual Version 1.0.3
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Push the clamp tab up to lock 3 the DIN-LINK to the DIN rail. Connect the DIN bus to the 4 top left terminals. When connecting multiple DIN modules via a single DIN bus, use a loop-in/loop-out wiring arrangement. Connect the 24V DC input 5 from the DIN-PSU-100 DIN-LINK Instruction Manual | Page 7 Manual Version 1.0.3
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Connect the RJ45 cable to the 6 DIN-LINK and connect the other side of the RJ45 cable to the supplied DIN-CONNECT. NB The maximum number of Rako Wired Network Devices per DIN-LINK is 30 (RJ45) The RJ11 port should be used to connect a maximum of one HUB or Rako Wired Network Accessory. 5 Programming the DIN-LINK The DIN-LINK is programmed using the Rasoft Pro programming software. A WK-HUB is required for any programming of a Rako Wired DIN system. Instructions for this can be found in the Wired System Setup Guide . 6 LED Diagnostics 6.1 Display The DIN-LINK has a seven-segment display for diagnostic information. DIN-LINK Instruction Manual | Page 8 Manual Version 1.0.3
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Bootloader When the DIN module is updating firmware, the device will be put into bootloader. Bootloader Sleep Once a firmware update has commenced, the bootloader will enter Bootloader Sleep and wait for the upgrade to complete. 6.2 Output LEDs LED Description LED Pattern Cause Device Activity Solid Button Held 1 Device Activity Setup Mode Slow Flash ~1 second 1 Activity Rapid Intermittent Flashing Data 2 RWN Power Solid Normal Operation 3 RWN Fault Fault on the RWN Slow Flash ~1 seconds 4 DIN Bus Power Solid Normal Operation 5 DIN Bus Fault DIN Bus Fault Flashing ~1 second 6 DIN-LINK Instruction Manual | Page 9 Manual Version 1.0.3
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7 Troubleshooting the Rako Wired Network If any issues are detected on the connected devices on power up, the onboard LEDS provide fault codes. For more information and further diagnostic information, refer to Wired System Diagnostics. 8 Servicing the DIN-LINK The DIN-LINK contains no user-serviceable parts; should the unit require a repair, it must be returned via the online form at https://returns.rakocontrols.com/contact/service-returns/ . If the DIN-LINK has been returned from a repair, ensure it is operating correctly in the system by testing the following: Check that the input voltage matches the required specifications (see datasheet) to ensure proper operation of the unit. Verify the communication by testing the DIN-LINK with either a Keypad or Rasoft Pro software with the connected DIN modules. 9 System Examples 9.1 Radial Wired System DIN-LINK Instruction Manual | Page 10 Manual Version 1.0.3
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9.2 STAR Wired System 9.3 Systems with Multiple DIN-LINKs If the DIN system requires more than one DIN-LINK, they must be connected via the Rako Wired Network. DIN-LINK Instruction Manual | Page 11 Manual Version 1.0.3
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