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3M-Matic 800rf Case Sealer Theory of Operation
Copyright 1999, 3M IPC. All rights reserved. 5-13
Table 5-3. Sequence Table Bypass Mode (continued)
SEQUENCE BYPASS MODE PLC VALVE ACTION OUTPUT INPUT
IF T2 TIMED OUT AND PHOTOCELL PROGRAM GOES
PC6 IS CLEARED TO STEP 6
STEP 6
SIDE DRIVE ASSEMBLY LOCKS LATCH V2 TURN ON 0
START T5 (15.0 SEC), CYCLE
TIMER NONE
PROGRAM GOES
TO STEP 7
STEP 7
START T3 (1.0 SEC) & T7 (1.5 SEC) NONE
START T8 (0.5 SEC) NONE
PROGRAM GOES
TO STEP 8
STEP 8
IF PHOTOCELL PC5 IS BLOCKED PROGRAM GOES
TO STEP 9 8
STEP 9
SIDE DRIVE ASSEMBLY LOCKS UNLATCH V2 UNLOCK 0
IF PHOTOCELL PC5 IS CLEARED PROGRAM GOES
TO STEP 10 8
STEP 10
START T4 (0.2 SEC)
IF T4 TIMED OUT PROGRAM GOES
TO STEP 11
STEP 11
SIDE BELT DRIVE MOTORS UNLATCH TURN OFF 1
SIDE DRIVE ASSEMBLIES UNLATCH V6 MOVE OUT 5
PROGRAM GOES
TO STEP 12
STEP 12
RETURN TO STEP 1