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CTI 2572 Installation and Operation Guide
58
When “Cmd Busy” bit = TRUE, turn off C9. When C9 is FALSE, Open Command has
been triggered.
!WX2.3 C9
28 [-] [---------------------------------------------------------------(RST )
!
If “Cmd Err” bit TRUE, it indicates error occurred by processing Open Cmd.
Store error, set C108 TRUE (error flag), and “Err Ack” bit.
! C9 WX2.1 MOVW1---------+ C108
34 [-]/[---] [---! !-------------------------------------*-(SET )
! ! A:V100 ! !
! ! B:V1400 ! ! WY4.1
! ! N=1 ! +-( )
! +-------------+
This rung executes if Open Command completes normally. If Open Cmd completed
without error, turn off C10. If C10 is TRUE, then Open Command Sequence
Active
! C9 WX2.3 WY4.3 C108 C10
48 [-]/[---]/[---]/[---]/[---------------------------------------------(RST )
!
This rung executes if error occurred while executing Open Command. If C108
TRUE (Error detected), then set C9 TRUE to retry Open Command. Turn off C108
(Error bit) and C10 (Open Cmd Seq Active).
! C9 WY4.3 WX2.3 C108 WX2.1 C9
59 [-]/[---]/[---]/[---] [---]/[-------------------------------------*-(SET )
! !
! ! C10
! [-(RST )
! !
! ! C108
! +-(RST )
!
Label to end “Open Command” logic area.
! LBL10
79 [-------------------------------------------------------------------(
)
!
X3 input initiates the “S7 Receive Command” sequence. C14 is TRUE if Receive
Command has been triggered but not executed. Loads “S7 Recv” Command Block
address into Command Slot 1 and sets C12 (Recv Cmd Seq Active) and C107 (Recv
Timer enable).
! X3 C14 LDC2----------+ C12
80 [-] [---] [---! !-------------------------------------*-(SET )
! ! A:WY5 ! !
! ! N=120 ! ! C107
! ! ! +-(SET )
! +-------------+
This rung triggers “S7 Receive Command” when X3 (Recv Input) transitions High
when X4 (Send Input) is FALSE.
! X3 X4 1 C14
91 [-] [---]/[---:O:---------------------------------------------------(SET )
!