
Module Configuration
Chapter 4
4-8
If a write block of five words, with all zeroes, is sent to the Analog Input
Module (cat. no. 1771-IFE), default selections will be:
1 to 5V DC or 4 to 20mA (dependent on configuration jumper setting)
BCD data format
no real time sampling (RTS)
no filtering
no scaling
single-ended inputs
Figure 4.3
Analog
Input Module (1771IFE) Block T
ransfer W
rite Configuration
Block
Decimal Bits 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Octal Bits 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Description
Word 1 8 7 6 5 4 3 2 1 Range Selection Channels 1 thru 8
2 16 15 14 13 12 11 10 9 Range Selection Channels 9 thru 16
3 Real Time Sampling
Data
Format
Input
Type
Digital Filter
Real time sampling, data format, input
type and digital filter
4 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sign Bits, minimum scaling values
5 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Sign Bits, maximum scaling values
6 Channel 1 minimum scaling
7 Channel 1 maximum scaling
8 Channel 2 minimum scaling
9 Channel 2 maximum scaling
10 Channel 3 minimum scaling
⇓⇓⇓⇓
37 Channel 16 maximum scaling
Default Configuration
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