8VZZ000036L325 ABB H&B Contronic
● Characteristics of the bus' cable The CS 31 bus is a shield twisted pair RS 485
– cross 0.22 ... 0.8 mm2
– twists > 10 per metre
– resistance – impedance ≤ 100/km
● Characteristics 100 to 150 Ω
– capacitance
– schield < 150 nF/km
– termination 120 Ω, 1/4 Watt resistor
connected at the ends of the bus
Example of supplier :
– ALCATEL MCX-T
– DRAKKA dracoda 2903
● Connections
The same type of cable should be used throughout the installation for the system bus (RS 485).
Avoid interruption of the bus, for example, when connecting cables at the marshalling cabinet.
Whenever interruption of the bus is absolutely necessary, it must be wired to the same side of the terminals.
SA801F
SA811F
SAFT103
SAFT183VMC
SB512
SB822
SC510
SC513
SC520
SD812F
SD833
SDCS-AMC-DC-D2
SDCS-CON-4
SDCS-CON-4-COAT-ROHS
SDCS-PIN-51-COAT
SE96920414 YPK112A
SK-11
SK616001-A
SK829007-B
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