101935-217 ABB
The basic and remote units may be connected at any point of the system bus: - bus 1 on bus 1
-bus 2 on bus 2
-shielding (preferably braided) on terminal 3 of terminal block 1 and earth connected atthe master level (cable < 0.1 m)
The system bus should be terminated with a 120 Ω 1/4 W resistor connected to the bus ends. The twisted pair should be symmetrical.
Connecting the system bus shielding to the earth is recommended, with the intercalation of a 1 nF class Y condenser directly at the cabinet entry, according to the assembly diagram, if noise generating devices are near to the cabinet.
As the CS31 system bus is opto-isolated, it is possible to place elements with different voltage power on the bus.
Refer to the respective descriptions if a bus amplifier or amplifier with bus redundancy is used.
3HAC026271-001/DSQC646
3HAC031683-001
3HAC031683-004
3HAC031851-001
3HAC044075-001
3HAC0977-1
3HAC10847-1
3HAC13389-2
3HAC14550-4/04B
3HAC16831-1
"3HAC16831-1"
3HAC17326-1/02
3HAC17346-1/01
3HAC17484-8108
3HAC17484-9/02
3HAC4776-1/1
3HAC5497-1
3HAC5498-1
3HAC5518-1
3HAC5566-1
3HAC6157-1
3HAC7344-1
3HAC7681-1
3HAC9710-1
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