ProSoft Technology inRAx 3170-PDP, Руководство пользователя

Страница: 28 / 152

3170-PDP ♦ FLEX Platform How Communication Takes Place and I/O Image Table Mapping
FLEX I/O™ PROFIBUS Adapter
Page 28 of 152 ProSoft Technology, Inc.
August 23, 2007
3.2.7 1794-IE8 – 8 Input Analog Module
Module
I/O Image
Input Data Channel 0
Input Data Channel 1
Input Data Channel 2
Input Data Channel 3
Input Data Channel 4
Input Data Channel 5
Input Data Channel 6
Input Data Channel 7
Underrange
Configure select
Not used
Not used
Not used
Not used
Not used
Input Size
Output
0 or 1 Word
1 to 9 Words
PU
1794-IE8 Memory Map
Decimal
Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Size
Oct. Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read Words
S Analog Value Channel 0 Read Word 1 Read Word
1
S Analog Value Channel 1 Read Word 2 Read Word
2
S Analog Value Channel 2 Read Word 3 Read Word
3
S Analog Value Channel 3 Read Word 4 Read Word
4
S Analog Value Channel 4 Read Word 5 Read Word
5
S Analog Value Channel 5 Read Word 6 Read Word
6
S Analog Value Channel 6 Read Word 7 Read Word
7
S Analog Value Channel 7 Read Word 8 Read Word
8
PU Not used – set to zero U7 U6 U5 U4 U3 U2 U1 U0 Read Word
9
C7 C6 C5 C4 C3 C2 C1 C0 F7 F6 F5 F4 F3 F2 F1 F0 Write Word
1
Not used – set to 0 Write Word
2 thru 6
Where: PU = Power up bit – included in series B modules only.
U = Underrange bits for 4 to 20mA inputs
C = Configure select bit
F = Full range bit
S = sign bit (in 2's complement)