8VZZ000033L325 ABB H&B Contronic
The bus must be terminated with a 120 Ω, 1/4 Watt resistor, this must be connected at the ends of the bus.
The central units UCZA/UCZB, the couplers 07 CS 61 and 35 CS 91 have to be connected at an end of the bus. The resistor 120 Ω is integrated.
The other central units and the PC board should be connected everywhere on the bus.
The shield of the bus must be connected to the earth near the master.
When noisy elements are in the area of the cabinet, it is better to connect the bus' shield to the ground via a capacitor 1 nF class Y directly at the access of the cabinet according the following diagram.
The system bus CS 31 is opto-isolated from all units.
The shield is connected to the earth through a capacitor 1 nF class Y, mounted in the plug-in base.
The maximum bus length is 500 metres.
In case of use of a bus amplifier or redondy amplifier refer to their own descriptions.
SLMG99
SNAT604IFS
SNAT609TAI
SNAT617CHC
SNAT634PAC
SPAD346C
SPAD346C3
SPA-ZC22
SPBLK01
SPBRC300
SPBRC400
SPBRC410
SPCJ4D34-AA
SPDSI22
SPDSO14
SPFEC12
SPHSS03
SPHSS13
SPIET800
SPNIS21
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