Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual User Manual
Page 33
Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 21
1794-IE8/B Range Selection Bits
Channel No.
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
F0
C0
F1
C1
F2
C2
F3
C3
F4
C4
F5
C5
F6
C6
F7
C7
Decimal Bits
(Octal Bits)
00
08
(10)
01
09
(11)
02
10
(12)
03
11
(13)
04
12
(14)
04
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
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
Off = When configured to off, individual channels will return 0000H on Series B modules, and 4…20 mA on Series A modules.
1794-IE8 Word/Bit Descriptions
Word
Decimal Bit
Definition
Read Word 0
Bits 00…14
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
Channel 0 analog data sign bit.
Read Word 1
Bits 00…14
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
Channel 1 analog data sign bit.
Read Word 2
Bits 00…14
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
Channel 2 analog data sign bit.
Read Word 3
Bits 00…14
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
Channel 3 analog data sign bit.
Read Word 4
Bits 00…14
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
Channel 4 analog data sign bit.
Read Word 5
Bits 00…14
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
Channel 5 analog data sign bit.
Read Word 6
Bits 00…14
Channel 6 analog data – 12-bit left justified two’s complement number;
unused lower bits are zero; 4…20 mA uses all 16 bits.
Bit 15
Channel 6 analog data sign bit.
Read Word 7
Bits 00…14
Channel 7 analog data – 12-bit left justified two’s complement number;
unused lower bits are zero; 4…20 mA uses all 16 bits.
Bit 15
Channel 7 analog data sign bit.