Pragati BTP-100, Инструкция по эксплуатации

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12
BI-DIRECTIONAL TOOL TURRETS
D
E
T4 > 4 Sec.
’TIME FAULT’
ALARM
NO
YES
TURRET
CLAMP SWITCH
ON ?
DELAY T5 ms.
DELAY T5 = T3 + 5 ms.
CYCLE COMPLETE
SIGNAL
END
’TURRET NOT
LOCKED’ ALARM
NO
X = Y
TURRET
CLAMP SWITCH
ON ?
STOP MOTOR
E
E
D
D
B
NO
NO
YES
YES
X = Y
’POSITION FAULT’
ALARM
NO
YES
YES
ALARM ’INVALID
TOOL DEMAND’
START
POSITION ’X’
DEMAND
POSITION ’Y’
’N’ = NUMBER OF INDEX
POSITIONS 8,12 OR 24
DEMAND
VALID ?
1<Y<N
NO
YES
X < Y
(Y - X) < N/2 (X - Y) < N/2
START TORQUE
MOTOR ’CCW’
START TORQUE
MOTOR ’CW’
TURRET
CLAMP SWITCH
OFF ?
E
D
B
NO
NO
NO
NO
YES
YES
YES
X = Y
START 4 Sec.
TIMER T4
A
NO
YES
YES
Monitor Turret clamp switch signal on
continuous basis. Generate FEED-HOLD
if clamp signal missing.
Note :
A
10. Flowchart for turret control
NOTE : MONITOR TURRET CLAMP SWITCH SIGNAL ON
CONTINUOUS BASIS. GENERATE FEED -HOLD
IF CLAMP SIGNAL MISSING