The Relay Extension features 14 dry contact relay outputs.
Table of Contents
Commissioning↑
The Relay Extension is installed on a DIN rail in a suitable enclosure.
Connect the power supply and Link communication to the Miniserver.
Connect the loads to the relay terminals. For loads exceeding 12A, use a wire cross-section of 2.5mm².
![]() |
For thermal reasons the total load rating must not exceed 48A (IEC) or 45A (UL). |
The Extension starts after switching on the power supply, and the status LED will flash orange after a short time when the connection to the Miniserver is established.
Then follow the pairing procedure
Wiring examples↑
Actuators↑
Summary | Unit | Value Range |
---|---|---|
Actuator (Relay) 1 | Digital | 0/1 |
Actuator (Relay) 2 | Digital | 0/1 |
Actuator (Relay) 3 | Digital | 0/1 |
Actuator (Relay) 4 | Digital | 0/1 |
Actuator (Relay) 5 | Digital | 0/1 |
Actuator (Relay) 6 | Digital | 0/1 |
Actuator (Relay) 7 | Digital | 0/1 |
Actuator (Relay) 8 | Digital | 0/1 |
Actuator (Relay) 9 | Digital | 0/1 |
Actuator (Relay) 10 | Digital | 0/1 |
Actuator (Relay) 11 | Digital | 0/1 |
Actuator (Relay) 12 | Digital | 0/1 |
Actuator (Relay) 13 | Digital | 0/1 |
Actuator (Relay) 14 | Digital | 0/1 |
Diagnostic Inputs↑
Summary | Description | Unit | Value Range |
---|---|---|---|
Online Status Relay Extension | Digital | 0/1 | |
System temperature | ° | ∞ | |
Temperature Shutdown | If the CPU temperature reaches a critical point, the outputs of the device are switched off. This can be due to short-circuits, overloaded switching loads or too high an ambient temperature. | Digital | 0/1 |
Properties↑
Summary | Description | Default Value |
---|---|---|
Serial Number | Specifies the serial number of the device. For Extensions: 'Auto' may only be used if only one Extension of this type is being used. |
- |
Monitor Online Status | When selected, you will be notified via System Status or the Mailer if the device is no longer available or goes offline. | - |
Safety Instructions↑
The installation must be carried out by a qualified technician in accordance with all applicable regulations.
The installation requires a suitable enclosure to ensure protection against contact, water and dust.
The device must not be used as part of safety-critical systems.