Rockwell-automation 1771-IFE ANALOG INPUT MODULE Manual de usuario Pagina 35

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4–3Configuring Your Module
.&%-%)( 3 !+.+2 
Table 4.B Input Voltage and Current Ranges for the Analog Input Module
Nominal Voltage or
Current Range
Corresponding 4ĆDigit BCD
Output Range
Corresponding 12ĆBit
Binary Output Range
Voltage or
Current Per Bit
 -)   -)   -)  '
-)  -)   -)  '
3 -)  3 -)  3 -)  '
3 -)  3 -)  3 -)  '
-) '  -)   -)  '
 -) '  -)   -)  '
3 -) ' 3 -)  3 -)  '
Note: )&-#! ( .++!(- %(*.- +(#!, +! ,!&!-&! )( *!+ $((!& ,%,
Select single-ended or differential inputs using the designated bit in
the configuration file. Inputs to a particular module must be all
single-ended or all differential. Set BTW word 3, bit 08 (bit 10 octal)
as shown below.
Table 4.C Selecting SingleĆended or Differential Inputs
Decimal Bit 8 (Octal Bit 10) Input type
%""!+!(-%& %(*.-,
,%(#&!3!( ! %(*.-,
Dec. Bits 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Description
Octal Bits 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Description
+%-! )+  !& %'! '*&%(#
-
)+'-
(*.-
2*!
%#%-& %&-!+
!& -%'! ,'*&%(# - ")+'- %(*.-
-2*! ( %#%-& "%&-!+
You must indicate what format will be used to read data from your
module. Typically, you select BCD with PLC-2 processors, and 2’s
complement binary with PLC-3 and PLC-5 processors. See
Appendix D for details on data format. You use BTW word 3, bits
09-10 (11-12 octal) to set the data format.
Table 4.D Selecting the Data Format
Decimal Bit 10
(Octal Bit 12)
Decimal Bit 09
(Octal Bit 11)
Data Format

!,!+/!
-0), )'*&!'!(- %(+2
,%#(! '#(%-. ! %(+2
$*-!+
**!( %1
Input Type
Data Format
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