Access Configuration Manual

Access 4.x

Setting of the modbus connection to the room unit (ED-RUD)

Example of setting connection and the button functions for the ED-RUD Room controller

Variable

Available options & Selection

Note

Configure port communication settings

Configuration > System settings > Communication > Communication port: Ext-link

Function

... | Modbus master | ...

Set function of the port the Room unit is physically connected

Configuring connection to the room controller

Configuration > System settings > Communication Devices > Device 25

Type

...| Room unit | …

Select type of the connected device (Room unit)

Brand

| ED-RUD (Modbus) |

Select ED-RUD (Modbus)

Address

[0] > [41]

Enter the same address as configured in the ED-RUD room unit

Function

... | Exp5 | ...

Assign function (any available expansion unit)

Fan button function

| No function | Change fan speed | Change fan speed as extended operation |

Select the "Fan button" push action

Idle view function

| Room temperature | Setpoint |

The information shown on the screen while ED-RUD is in idle mode

Setpoint temperature control

| Main unit | Temperature zone 1 | Temperature zone 2 | Temperature zone 3 |

Select which temperature setpoint is adjusted with the room unit

Setpoint adjustment

| No adjustment | Adjustment with 0.5oC | Adjustment with 1oC |

The accuracy of setpoint adjustment

Name

[Device 25] > [Room unit]

Change default name to the more informative

Communication type

| RTU | TCP |

-

Communication port

| Ext-link | BMS | Int-link 1 & 2 |

Select port for communication to the device