Coaxial cable
requirements
The following table outlines the requirements for coaxial cable.
Summary of Coaxial Cable Requirements
Minimum Spacing
1 m
Station impedance
≥
1.2K
Ω
Segment termination value
93
Ω
Maximum number of stations per segment
8
Maximum bus segment length
300 m
Active hubs
PacLAN permits direct connection of up to 8 SC950
servocontrollers. The maximum direct bus segment length is
1000 ft (305 meters). To achieve longer cable lengths, or to
connect more than 8 controllers, ARCNET compatible active
hubs must be used. These devices are capable of transmission
lengths of up to 2000 feet. Active hubs are available from SMC,
Contempory Control Systems, Inc., and South Hills DataComm.
PacLAN axis
address setup
Each SC950 must have a unique PacLAN axis address. The
PacLAN address selection is performed by configuring the S1
DIP switch.
Note:
The switch setting is read only when power is first applied
to the controller.
Each SC950 Servocontroller axis must have a unique port
address. Please refer to Section 3.2 for additional information on
setting the address.
Note:
PacLAN Address 0 is reserved. DO NOT USE.
MA950
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