Danaher Motion Superior Electric
Section 3: Installation Guidelines
SS2000 D3 AND D6
3
Section 3: Installation Guidelines
3.1 G
ENERAL
W
IRING
G
UIDELINES
SLO-SYN 2000 drives use modern solid-state electronics to provide the features
needed for advanced motion control applications. In some cases, these
applications produce electromagnetic interference (EMI, or electrical "noise")
that cause inappropriate operation of the digital logic used in the drive, or in any
other computer-type equipment in the user's system.
In general, any equipment that causes arcs or sparks or that switches voltage or
current at high frequencies can cause interference. In addition, AC utility lines
are often "polluted" with electrical noise from sources outside a user's control
(such as equipment in the factory next door). Some of the more common causes
of electrical interference are:
Power from the utility AC line
Relays, contactors and solenoids
Light dimmers
Arc welders
Motors and motor starters
Induction heaters
Radio controls or transmitters
Switch-mode power supplies
Computer-based equipment
High frequency lighting equipment
DC servo and stepper motors and drives
Use the following wiring practices to reduce noise interference.
Solid grounding of the system is essential.
Be sure that there is a solid connection to
the AC system earth ground. Bond the drive case to the system enclosure. Use a
single-point grounding system for all related components of a system (a "hub and
spokes" arrangement). Keep the ground connection short and direct.
Keep signal and power wiring well separated.
If possible, use separate conduit or
ducts for each. If the wires must cross, they should do so at right angles to minimize
coupling.
Power wiring includes AC wiring, motor wiring, etc. and signal wiring
includes inputs and outputs (I/O), serial communications (RS232 lines),
etc.
Use shielded, twisted-pair cables for Indexer I/O lines.
BE SURE TO GROUND
SHIELDS ONLY AT ONE END, THE INDEXER/DRIVE END FOR OUTPUTS
AND THE SWITCH OR SENSOR END FOR INPUTS.
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