Hardware config urat ion
CNC 8065
11.
(R
EF
: 1404)
·105·
SERCOS BUS.
11
SERCOS BUS.
The Sercos interface is a communications standard especially designed for the machine-
tool industry offering a simple interface between the CNC and the drives. All the data and
commands are transmitted in digital format through fiber optic lines that make up a ring (the
Sercos ring) that connects all the elements of the bus (CNC and drives) to each other. Using
the Sercos interface considerably minimizes the necessary hardware, makes cabling simpler
and grants greater reliability to the system making it immune to electrical interference (noise).
Sercos cable characteristics.
Fagor Automation supplies the fiber optic cables needed for Sercos communication. There
are several types of cable depending on their length and their dynamic and static installation
characteristics.
• Fiber optic cable with polymer core (SFO, SFO-FLEX) for up to 40 meters. If the fiber
optic cable is going to withstand dynamic conditions (moving), always use the SFO-FLEX
cable If the fiber optic cable is going to withstand static conditions (not moving), always
use the SFO cable
• Fiber optic cable with glass core (SFO-V-FLEX) for over 40 meters.
Mechanical cable characteristics.
SFO cable.
Flexibility.
Normal. Minimum bending radius of 30 mm.
Only to be used in static systems (not moving).
Cover.
PUR. Polyurethane resistant to chemicals used in machines.
Temperature.
Working: -20 ºC / 80 ºC (-4 ºF / 176 ºF).
Storage: -35 ºC / 85 ºC (-31 ºF / 158 ºF).
SFO-FLEX cable.
Flexibility.
High. Minimum bending radius, static = 50 mm and dynamic = 70 mm.
Special cable to be used in cable chains.
Cover.
PUR. Polyurethane resistant to chemicals used in machines.
Temperature.
Working: -20 ºC / 70 ºC (-4 ºF / 158 ºF).
Storage: -40 ºC / 80 ºC (-40 ºF / 176 ºF).
CNC
DRIVE
1
DRIVE
2
DRIVE
3
DRIVE
n
Содержание CNC 8065
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