Rockwell-automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User M Manual de usuario Pagina 80

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2–60 How Communication Takes Place and I/O Image Table Mapping
)!($# , $*"& 
Pulse Counter Module (1794ĆIP4) Image Table Mapping
Module Image
I/O Image
Input Size
Output Size
($ $&'
($  $&'
Counter 00 - 16-bit period measurement or low word of 32Ćbit period measurement for channel 0
Code for identification of software version
Control Word0-Setsthemeasure function
Control Word2-setsthestart of a new measurement
Control Word1-Setstheclock frequency and period multiple
Counter 01 - pulse counter for channel 0 or high word of 32Ćbit period measurement
Counter 10 - 16-bit period measurement or low word of 32Ćbit period measurement for channel 1
Counter 11 - pulse counter for channel 1 or high word of 32Ćbit period measurement
Counter 20 - 16-bit period measurement or low word of 32Ćbit period measurement for channel 2
Counter 21 - pulse counter for channel 2 or high word of 32Ćbit period measurement
Counter 30 - 16-bit period measurement or low word of 32Ćbit period measurement for channel 3
Counter 31 - pulse counter for channel 3 or high word of 32Ćbit period measurement
Readback of Control word 2 or
Reserved M0M1M2M3
Reserved
Reserved
RD0RD1RD2RD3
Block Transfer Word Assignments for the Pulse Counter Module
(1794-IP4)
(Octal Bit) 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Dec. Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word Read
$)#(&  ( %&$ "')&"#( $& !$+ +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  %)!' $)#(& $&  +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  ( %&$ "')&"#( $& !$+ +$& $ ,( %&$ "')&"#( $& ##!
$)#(& %)!' $)#(& $&  +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  ( %&$ "')&"#( $& !$+ +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  %)!' $)#(& $&  +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  ( %&$ "')&"#( $& !$+ +$& $ ,( %&$ "')&"#( $& ##!
$)#(&  %)!' $)#(& $&  +$& $ ,( %&$ "')&"#( $& ##!
 $ $#(&$! $&
'&*        
 *'$# & '$(+& *&'$# $
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