Default configuration – Rockwell Automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE User Manual
Page 59
6-9
Publication 1771Ć6.5.116 - June 1996
If a write block of five words, with all zeroes, is sent to the fast
analog input module (cat. no. 1771-IFF series A), 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
•
8 times oversample
•
no disabled channels
Table 11.A
Fast Analog Input Module (1771ĆIFF/A) Block Transfer Write
Configuration Block
Dec. Bits
15 14 13 12
11
10 09
08
07 06 05 04 03 02 01 00
Description
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 Ć Channels 1 thru 8
2
16
15
14
13
12
11
10
9
Range Selection Ć 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 Ć minimum scaling
7
Channel 1 Ć maximum scaling
8
Channel 2 Ć minimum scaling
9
Channel 2 Ć maximum scaling
10
Channel 3 Ć minimum scaling
⇓
⇓
⇓
⇓
37
Channel 16 Ć maximum scaling
38
16 15 14 13
12
11 10
9
8
7
6
5
4
3
2
1 Offset Calibration
39
16 15 14 13
12
11 10
9
8
7
6
5
4
3
2
1 Gain Calibration
40
BCD or binary, 0Ć256 (2
X
only)
Oversampling
41
16 15 14 13
12
11 10
9
8
7
6
5
4
3
2
1 Channel Sampling Disable
Default Configuration