Yaskawa SmartTrac AC1 User Manual

Page 67

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SMART TRAC AC1

Technical Manual TM 3554-000 Smart Trac AC1 Maintenance

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7-5

Disconnect ground strap E, located at the bottom of the card.

Disconnect all electrical leads to the terminal blocks located at the
bottom of the card.

Remove two phillips head screws located at the bottom of the card.

Finally, remove the card by pressing outward on two captive,
plastic locking clips located at the top end of the board and lifting
the card to free it.

13. Replace faulty cards and secure per the reverse of steps 1 through 11,

taking care not to damage connecting pins. Align each card and its pins
precisely with the next before pressing into position on the next card.

14. Secure each PC/104 card by replacing and tightening four standoffs.

15. Reconnect the 9-pin RS-232 cable at connector J5 and at connector on

housing. Reconnect one end of the 12-pin wiring harness to connector
J4 on Smart Trac CPU card and the other at back of Digital Operator.

16. Secure the two ground straps to their proper locations inside the

housing.

17. Close the cover and secure with the captive screw located on the front

of the Smart Trac AC1.

A fuse prevents overloading of the electrical circuits for your Smart Trac AC1.
Located on the Smart Trac PS card, the fuse protects the circuits of all stacked
cards. It is a 2-amp, 250-volt fast type fuse, designed to trip at 5.6 to 6.0 volts.

1. Remove all stacked PC/104 cards as described in "Replacing Parts."

2. Locate the 2A/250V fuse (near AC Input CN1). Using a fuse extracting

tool, remove and replace the fuse.

3. Install all stacked PC/104 cards previously removed. Follow the reverse of

procedures in "Replacing Parts."

4. Replace adapter ring and secure with two phillips head screws (right side of

Smart Trac ).

5. Secure ground straps to their proper locations inside the adapter ring.

Should a circuit card fail in your Smart Trac AC1, you may need to order parts.
If the operation is critical to your operation, you may want to order spare parts.

To order parts for your Smart Trac AC1, contact your local MagneTek
Representative or Authorized Distributor. For additional information, you may
contact Smart Trac Technical Support at:


MagneTek, Inc.
16555 West Ryerson Rd.
New Berlin, WI 53151
(800) 541-0939
(262) 782-0200
FAX (262) 782-1283:

When ordering, refer to the part description and part number listed in

Table 9

.

Replacing the Power
Supply Fuse

Fuse- Smart Trac
Power Supply

Ordering Parts

Replaceable Parts List

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