Walker Magnetics SMART-C SERIES - Manual (Page 3)

O.S. WALKER Co., Inc. SMART-C Control
SMART C MANUAL DD-14494D Rev D, March 30, 2011
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TABLE OF CONTENTS
1 INTRODUCTION...............................................................................................................................................................1-1
2 SAFETY INSTRUCTIONS ................................................................................................................................................2-1
2.1 G ENERAL S AFETY R ULES .............................................................................................................................................2-1
2.2 R ECOGNIZE S AFETY I NFORMATION ................................................................................................................................2-2
2.2.1 Ways to Avoid a Reduction of Holding Capacity................................................................................................2-2
2.3 A DDITIONAL W ARNINGS ................................................................................................................................................2-3
2.4 D ESIGNATED P ERSON ..................................................................................................................................................2-3
3 INSTALLATION ................................................................................................................................................................3-1
3.1 C ONTROL M OUNTING G UIDELINES ................................................................................................................................3-1
3.1.1 Connecting Additional Features .........................................................................................................................3-1
3.1.1.1 Current Sensing ..........................................................................................................................................3-1
3.1.1.2 Lockout........................................................................................................................................................3-1
4 OPERATING INSTRUCTIONS.........................................................................................................................................4-1
4.1 I MPORTANT F ACTS ABOUT M AGNETIC H OLDING .............................................................................................................4-1
4.1.1 Surface Conditions .............................................................................................................................................4-2
4.1.2 Workpiece Thickness .........................................................................................................................................4-2
4.1.3 Portion of the Chuck Surface In Contact With the Workpiece ...........................................................................4-2
4.1.4 Workpiece Material.............................................................................................................................................4-3
4.2 R ELEASE .....................................................................................................................................................................4-3
4.3 F ULL H OLDING .............................................................................................................................................................4-4
4.4 V ARIABLE H OLDING ......................................................................................................................................................4-4
4.5 R ESIDUAL H OLDING ......................................................................................................................................................4-5
4.6 C URRENT S ENSE .........................................................................................................................................................4-5
4.7 C ONTROL P ROTECTION ................................................................................................................................................4-5
4.8 R ELEASE C YCLE S TEPS ................................................................................................................................................4-5
4.9 G ROUNDING & S HIELDING .............................................................................................................................................4-7
4.10 C ONTROL O UTPUT V OLTAGE ......................................................................................................................................4-7
5 INSPECTION & MAINTENANCE.....................................................................................................................................5-1
5.1 D AILY I NSPECTION ........................................................................................................................................................5-1
5.2 H AVING A P ROBLEM WITH YOUR C HUCK C ONTROL ? .......................................................................................................5-1
5.2.1 Main Pc Board ....................................................................................................................................................5-3
5.3 C HUCK C ONTROL C ONNECTIONS ..................................................................................................................................5-7
5.3.1 Model SMART-C ................................................................................................................................................5-7
5.3.2 Adjustments........................................................................................................................................................5-7
6 REPLACEMENT PARTS LIST.........................................................................................................................................6-1
6.1 SMART-C C ONTROLS .................................................................................................................................................6-1
7 RETURN AND REPAIR INSTRUCTIONS........................................................................................................................7-1