WS 120 Trio – 3

ModBus wiring diagram

A

Ventilation unit

A1

Electronic slide-in module

A2

Controlled domestic ventilation control

W11

Connection cable for ModBus (provided by customer), e.g. LIYY 3 x 0.25 mm²

ModBus mode

RTU

Baud rate

9600/19200

Data bits

8

Parity

Even

Stop bits

1

Address

10 (basic setting)

If the RLS T2 WS touch screen control unit is deactivated in the parameters menu, the connection terminals on the RS 485 terminal block can be used as the ModBus interface. The controlled domestic ventilation unit can thereby be incorporated into a building control system