Connection ModBus RTU
CAUTION
Do not apply external voltage!
An external voltage which is applied destroys the component.
See Overview of components for position numbers | |
9 | ModBus: RS485 interface |
11 | ModBus: Jumper for termination/polarisation |
The ModBus protocol is available for connection to a building management system. Insert the connection cable laid by the customer through the threaded cable glands and secure. Connect the wires to the terminal strip according to the connection diagram.
Observe the following points:
- Interface: RS485
- Field bus protocol settings: Menu 2.01 to 2.05.
- Terminate switchgear: Plug in jumper J2.
- If the ModBus requires a polarisation, plug in jumpers “J3” and “J4”.