User manual

Publication 1797-6.5.1 - April 1999
2-16 Understanding Configurable FLEX Ex Analog Module Features
Error Level 0.1mA Steps
Analog Output Module (1797-OE8) Image Table Mapping
Input Map (Read Words)
10110-22mA = A/D count, w/fixed error
11003.6-21mA = NAMUR NE 43, w/fixed error
11013-21mA = -6.25 to 106.28% w/fixed error
11102-22mA = -12.5 to 112.5% w/fixed error
1111Not assigned
Bits Description
Word 0 131211109 Error level channels 0-3
Word 1 131211109 Error level channels 4-7
00000Disabled
0.1mA * step value = remote fault alarm threshold
Examples
Data
Format
2-22mA
-12.5 to
112.5%
00111Step value = 7, 0.1mA * 7 = 0.7mA
Remote fault alarm at -4.38% or +104.38%
01111Binary value = 15, 0.1mA * 15 = 1.5mA
Remote fault alarm at -9.38% or + 109.38%
Bits Description
Bit →
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word
↓
0Flt
Alm
ch7
Flt
Alm
ch6
Flt
Alm
ch5
Flt
Alm
ch4
Flt
Alm
ch3
Flt
Alm
ch2
Flt
Alm
ch1
Flt
Alm
ch0
Diagnostic Status
1Res
Flg
MODULE Command Response MODULE Response Data
Where: ch = channel
Flt Alm = Fault Alarm
Res Flg = Response Flag