SmartPAC 2 with WPC 2000 Integration User Manual
1128600
Installation
2-5
•
Provide NEMA 12 conduit and connections
Because SmartPAC 2 and WPC 2000 are 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 and WPC 2000
The ground wire from SmartPAC 2 should be connected to the main ground point of the
WPC 2000. 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
•
Install suppressors across inductive loads
All relays, solenoids, or other inductive loads that are controlled by SmartPAC 2 or WPC
2000 must be suppressed. Suppressors should be installed across the load and as close to
the load as possible. See Figure 2-34, page 2-69. Never install a suppressor across relay
contacts. If you do, the suppressor may fail shorted and the equipment controlled by that
relay remain energized. In some cases, suppressors are required in the Top-stop and
Emergency-stop circuits. Additional suppressors (part number 2238801) can be obtained
from Wintriss.
Connecting Wires to Terminal Block Connectors
Connect wires to terminal block connectors as follows:
1.
Find the correct terminal and loosen the screw over it by turning it counterclockwise (see
Figure 2-2, page 2-6).
2.
Strip the correct wire for this terminal 1/4 in. (6.4 mm) from end.
3.
Insert bare wire into the terminal 90% of the way. Tighten the screw. The metal tooth
inside will clamp down on the bare wire for a tight connection. Make sure that the metal
tooth is clamped down on the bare part of the wire, not on the insulation.
4.
Connect all wires. Double-check connections when done.
5.
Plug the connector firmly into the receptacle on the PC board. The connector can fit into
the receptacle in only one direction.
CONNECTOR WIRING
The connector can plug into the receptacle on the PC board in only one direction. Before wiring
the connector, mark its left and right ends when it is plugged in to make sure you wire the correct
pin numbers.
NOTICE
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