
2–18 How Communication Takes Place and I/O Image Table Mapping
6$.+%#5+10 ; 17'/$'3
1794ĆOE4/B Range Selection Bits (Write Word 6)
Channel No. Channel 0 Channel 1 Channel 2 Channel 3
F0 C0 F1 C1 F2 C2 F3 C3
Decimal Bit 00 08 01 09 02 10 03 11
/
! &%/
; 51 ! &%
((
10(+)63' 4'.'%5 $+5
6.. 3#0)' $+5
"*'0 %10(+)63'& 51 1(( +0&+7+&6#. %*#00'.4 8+.. 3'5630 !
1794ĆOE4 Word/Bit Descriptions
Word
Decimal Bit
(Octal Bit)
Definition
+54 ;
633'05 1652654 10.9 "*'0 4'5 5*' 8+3' 10 5*' 165265 +4 $31-'0 13 5*' .1#&
3'4+45#0%' +4 511 *+)* +5 %133'4210&4 51 %*#00'. $+5 %133'4210&4 51
%*#00'. #0& 41 10
'#& "13&
+54 ;
15 64'& 4'5 51
+5
Power Up bit - included in series B modules only. This bit is always 0 in
series A modules. This bit is set to 1 when all bits in the configuration
register (write word 5) are 0 (unconfigured state). *' %10(+)63#5+10 3')+45'3
%#0 $' %.'#3'& $9 '+5*'3 # 3'4'5 13 $9 5*' 64'3 83+5+0) #.. :'31'4 51 +5
"3+5' "13&
+54
Channel 0 analog data ;$+5 .'(5 ,645+(+'& 5814 %1/2.'/'05 06/$'3 6064'&
.18'3 $+54 #3' :'31 ;/ 64'4 #.. $+54
+54 Channel 0 analog data sign bit.
"13&
+54
Channel 1 analog data ;$+5 .'(5 ,645+(+'& 5814 %1/2.'/'05 06/$'3 6064'&
.18'3 $+54 #3' :'31 ;/ 64'4 #.. $+54
+54 Channel 1 analog data sign bit.
"13&
+54
Channel 2 analog data ;$+5 .'(5 ,645+(+'& 5814 %1/2.'/'05 06/$'3 6064'&
.18'3 $+54 #3' :'31 ;/ 64'4 #.. $+54
+54 Channel 2 analog data sign bit.
"13&
+54
Channel 3 analog data ;$+5 .'(5 ,645+(+'& 5814 %1/2.'/'05 06/$'3 6064'&
.18'3 $+54 #3' :'31 ;/ 64'4 #.. $+54
+54 Channel 3 analog data sign bit.
"13&
+54
Multiplex control bits (M (13 +0&+7+&6#. %*#00'.4 *'4' $+54 %10531. 5*' 4#('
45#5' #0#.1) 1652654 +5 %133'4210&4 51 165265 %*#00'. $+5
%133'4210&4 51 165265 %*#00'. #0& 41 10
64' 813&4 13 #4 &+3'%5'& $9 %*#00'. 06/$'3 0
64' 813&4 13 #4 &+3'%5'& $9 %*#00'. 06/$'3 0
"*'0 $+54 ; #3' #.. %.'#3'& 4+/6.5#0'164.9 $9 # %1//60+%#5+10 '3313 13
64'3 %*1+%' 5*36 5*' 231)3#//#$.' %10531..'3 231)3#/ 813& (6.. 3#0)' #0&
%10(+)63' 4'.'%5 $+54 #3' 23'4'37'& #5 5*'+3 .#45 4'55+0)
+54 ;
;
15 64'& 4'5 51
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