Amada Miyachi Unitek STA-100A, Operation Manual, Page: 7 / 154

STA SERIES AC CONTROLS
990-351 vii
Page
Section IV: Monitor Screen ................................................................................................................... 3-6
CURR (Weld Current) ..................................................................................................................... 3-6
COND (Conduction Angle) ............................................................................................................. 3-6
VOLTS ............................................................................................................................................ 3-6
FORCE(LBS) .................................................................................................................................. 3-6
LO (Low Current Limit) .................................................................................................................. 3-6
HI (High Current Limit) .................................................................................................................. 3-6
COND. LIMIT (Conduction Angle Limit) ...................................................................................... 3-7
Counts

(MONITOR COUNTS Screen) ...................................................................................... 3-7
Section V: Monitor Counts Screen ........................................................................................................ 3-8
SCHEDULE # (Schedule number) .................................................................................................. 3-8
WELD COUNT ............................................................................................................................... 3-8
WELD COUNT LIMIT ................................................................................................................... 3-8
SET WELD COUNT = 0 ................................................................................................................. 3-8
STEP # (Step Number) .................................................................................................................... 3-8
STEP COUNT ................................................................................................................................. 3-8
ELECT. VALVE ............................................................................................................................. 3-8
STEP COUNT ................................................................................................................................. 3-8
ELECT. VALVE ............................................................................................................................. 3-8
Section VI: Mode Screen ....................................................................................................................... 3-9
SCHEDULE # (Schedule Number) ................................................................................................ 3-9
PROGRAM/SAVE .......................................................................................................................... 3-9
START ............................................................................................................................................ 3-9
WELD MODE .............................................................................................................................. 3-10
Spot Weld Mode ..................................................................................................................... 3-10
Repeat Mode ........................................................................................................................... 3-10
Successive Mode .................................................................................................................... 3-10
Chaining Mode ....................................................................................................................... 3-10
LINKED SCHED

....................................................................................................................... 3-11
Section VII: Linked Schedules Screen ................................................................................................ 3-12
Reference
....................................................................................................................................... 3-12
SCHD .......................................................................................................................................... 3-12
CURR WELD CNT (Weld Counts for Schedule) ......................................................................... 3-12
WELD MODE ............................................................................................................................... 3-12
ERROR .......................................................................................................................................... 3-12
Section VIII: System Values Screens .................................................................................................. 3-13
System Values Screen 1 ................................................................................................................. 3-13
FULL CURR. (Full Current) .................................................................................................. 3-13
MAX # OF SCR (SCRs in Control) ....................................................................................... 3-13
TURNS RATIO ...................................................................................................................... 3-13