Wintriss SmartPAC2, Руководство пользователя

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SmartPAC 2 User Manual 1126700
Installation 2-3
Installation Guidelines
Observe the following guidelines when installing SmartPAC 2, referring to Figure 2-1,
page 2-4 when necessary.
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Separate high- and low-voltage wires
Never run wires for 120V and for lower voltages (e.g., 24V, 60V) inside the same conduit.
Run flexible, liquid-tight conduit for high voltage lines (120V power, input check circuit,
relay circuits) to the upper right-hand corner of the SmartPAC 2 enclosure. Run one or two
low voltage conduits for the resolver and communications control wires into the lower left-
hand corner of SmartPAC 2. If you have top-stop and emergency-stop circuits that are 24V
or a voltage other than 120V, you must run them separately from the high-voltage wiring.
The AC power supply wires to SmartPAC 2 should be run separately from the DC control
wires going to the ProCamPAC Output Assembly. Never use the SmartPAC 2 power
terminals as a junction point to provide power for external devices. In most cases, the AC
power supply wires should be connected directly to the press control cabinet. Do not use
the ProCam output enclosure as a junction box for the AC control wires. Provide a separate
junction box for this purpose.
Communications wiring should be run separately in its own conduit. Communications
wiring will be installed if SmartPAC 2 is connected to the WPC 2000 Wintriss Clutch/
Brake Control, ServoFeed Interface (SFI™), MultiPAC, AutoSetPAC, SBR, LETS/SFC, or
other equipment.
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Provide NEMA 12 conduit and connections
Because SmartPAC 2 is rated NEMA 12 (i.e., protected against dust and oil), you must use
conduit of the same rating and make proper connections to ensure that the enclosure is
NEMA-12-protected.
•
Properly ground SmartPAC 2
The ground wire from SmartPAC 2 should be connected to the main ground point of the
press control system. This ground point may be in the area where the control transformer is
grounded. Finding a good place for a ground is sometimes difficult, but the location should
be close to where the press receives its ground.
•
Correctly terminate all cable shields
Terminate all cable shields to the studs provided in the enclosure or to a good grounding
location (see Terminating Cable Shields, page 2-5).
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Install suppressors across inductive loads
All relays, solenoids, or other inductive loads that are controlled by SmartPAC 2 must be
suppressed. Suppressors should be installed across the load and as close to the load as
possible. See Figure 2-17, page 2-30. Never install a suppressor across relay contacts. If
you do, the suppressor may fail shorted, and the equipment controlled by that relay will
remain energized. Additional suppressors (part number 2238801) can be obtained from
Wintriss Controls.