Dorma MUXD 19 - 4 Commissioning; Settings; Bus Connection Resistance; Setting the Bus Address

MUXD 19" (B6L 19")
4. Commissioning
15
4.1.2. Setting the bus address
The bus address (0...31) is set via an 8-pin DIP switch.
Switch 6: switchover
Data format 7 bit (TP4) = ON, 8 bit (DP1) = OFF
Switches 1 2 345678
LSB MSB special functions
Bit 2
0
2
1
2
2
2
3
2
4
7/8 Bit
CH1 CH2 CH3
CH5 CH6
Bus terminating resistors
Bus terminating resistors
CH7 CH8 Host
CH4
CH5 CH6 CH7 CH8
SW302
SW303
SW403
SW402
CH7
SW501
Host
CH8
CH4
CH3
SW304
SW301
SW401
SW404
SW102
SW102
CH5
Reset
Reset
CH6
CH2
CH1
CH1 CH2 CH3
Bus terminating resistors
Bus terminating resistors
CH4
SW302
SW303
SW403
SW402
CH7
SW501
Host
CH8
CH4
CH3
SW304
SW301
SW401
SW404
CH5
CH6
CH2
CH1
Host
4.1 Settings
4.1.1. Bus connection resistance
There are switchable terminating resistors for every RS485
bus.
If the device is the first or last bus subscriber, the bus
terminating resistors must be switched on.
These are activated in the factory setting.