Rockwell Automation 1794-XXXX FLEX I/O High-Density Analog Modules User Manual
Page 53
Publication 1794-UM062A-EN-P - September 2012
Data Tables 45
Range Selection Bits – 1794-IE8/B and 1794-IE8XT Analog Input Module
Channel No.
Ch 00
Ch 01
Ch 02
Ch 03
Ch 04
Ch 05
Ch 06
Ch 07
F0
C0
F1
C1
F2
C2
F3
C3
F4
C4
F5
C5
F6
C6
F7
C7
Bit
00
08
(10)
01
09
(11)
02
10
(12)
03
11
(13)
04
12
(14)
05
13
(15)
06
14
(16)
07
15
(17)
0…10V DC
/0…20 mA
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
4…20 mA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
-10…+10V DC
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Off
(1)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Where:
C = Configure select bit
F = Full range bit
(1)
When configured to OFF, individual channels will return 000H on Series B modules, and 4…20 mA on Series A modules.
Word/Bit Descriptions – 1794-IE8/B and 1794-IE8XT Analog Input Module
Word
Decimal Bit
(Octal Bit)
Definition
Read Word 0
Bits 00…14
(00…16)
Channel 0 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 0 analog data sign bit.
Read word 1
Bits 00…14
(00…16)
Channel 1 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 1 analog data sign bit.
Read word 2
Bits 00…14
(00…16)
Channel 2 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 2 analog data sign bit.
Read word 3
Bits 00…14
(00…16)
Channel 3 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 3 analog data sign bit.
Read word 4
Bits 00…14
(00…16)
Channel 4 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 4 analog data sign bit.
Read word 5
Bits 00…14
(00…16)
Channel 5 analog data – 12-bit left justified two's
complement number; unused lower bits are zero;
4…20 mA uses all 16 bits.
Bit 15 (17)
Channel 5 analog data sign bit.