User manual

Publication 1797-6.5.1 - April 1999
Understanding Configurable FLEX Ex Analog Module Features 2-15
Bit/Word Description for the Analog Input Module (1797-IE8)
Fault Mode - Write Words 0 and 1
“Add-On” Filter Selections - Write Words 0 and 1
Remote Transmitter Error Up/Down - Write Words 0 and 1
Data Format - Write Words 0 and 1
Word 0 Bit 00 Fault enable for channels 0-3
Word 1 Bit 00 Fault enable for channels 4-7
Where:0 = disabled
1 = enable with wire-off and overload or short circuit
Word Bits Description
0 070605Channels 0-3
1 070605Channels 4-7
000Hardware filtering only (default filtering)
0 0 1 40Hz (25ms)
0 1 0 20Hz (50ms)
0 1 1 10Hz (100ms)
1004Hz (250ms)
1012Hz (500ms)
1101Hz (1s)
1110.5Hz (2s)
Word 0 Bit 08 Up/down channels 0-3
Word 1 Bit 08 Up/down channels 4-7
Where: 0 = remote fault is enabled by transmitter overrange
1 = remote fault is enabled by transmitter underrange
Bits Description
Word 004030201Data format for channels 0-3
Word 104030201Data format for channels 4-7
00000-22mA, w/error steps (default)
00010-22mA = 0 to 110%, w/error steps
00100-22mA = 0 to 104.8%, square root, w/error steps
00110-22mA = 0 to 65,535, unsigned integer, w/error steps
01002-22mA, w/error steps
01012-22mA = -12.5% to 112.5%, w/error steps
01104-22mA = 0 to 106%, square root, w/error steps
01114-20mA = 0 to 65,535, unsigned integer, w/error steps
1000Not assigned
1001Not assigned
1010Not assigned