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CTI 2572 Installation and Operation Guide
60
The Recv Cmd completed and either an error occurred or X4 (Send Input bit) is
FALSE. If error occurred, it has been acknowledged and “Cmd Err” bit (C108)
has been cleared by the module. Logic sets C14 (Recv Cmd Enable) to retry
Recv Cmd and turns off “Cmd Err bit”.
! C14 WY4.3 WX2.3 C108 WX2.1 C12
161 [-]/[---]/[---]/[-*-] [---]/[-*-----------------------------------*-(RST )
! ! ! !
! ! X4 ! ! C108
! +-]/[-------+ [-(RST )
! !
! ! C14
! +-(SET )
!
Label to end “Recv Command” logic area.
! LBL11
183 [-------------------------------------------------------------------( )
!
X4 input initiates the “S7 Send Command” sequence. C15 TRUE = Send Command
has been triggered but not executed. Loads “S7 Send” Command Block address
into Command Slot 1. Sets C13 (Send Cmd Seq Active).
! X4 C15 LDC3----------+ C13
184 [-] [---] [---! !---------------------------------------(SET )
! ! A:WY5 !
! ! N=140 !
! ! !
! +-------------+
This rung triggers “S7 Send Command” when X4 (Send Input) transitions
High when X3 (Receive Input) is FALSE.
! X4 X3 2 C15
192 [-] [---]/[---:O:---------------------------------------------------(SET )
!
Skips over logic section EXCEPT when executing “Send Command” sequence.
! C13 SKP12
198 [-]/[---------------------------------------------------------------( )
!
C15 TRUE = Send Command Enabled but not Executed. Move data to transmit into
data buffer pointed to by Cmd Block (V1500).
! C15 MOVW4---------+ C100
200 [-] [---! !---------------------------------------------( )
! ! A:V500 !
! ! B:V1500 !
! ! N=15 !
! +-------------+
If “Cmd Busy” and “Cmd Error” FALSE, set “Cmd Mode” and “Cmd Trigger” bits
to execute Send Command in Coupled mode.
! C15 WX2.3 WX2.1 WY4.2
206 [-] [---]/[---]/[-------------------------------------------------*-( )
! !
! ! WY4.3
! +-( )
!
When “Cmd Busy” bit TRUE, turn off C15. If C15 is FALSE, then Send Command
has been triggered.