Rockwell Automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE - Manual (Page 70)

A-2
Publication 1771Ć6.5.116 - July 1996
Description Value
Keying
between 10 and 12
between 24 and 26
Wiring Arm Catalog Number 1771-WG
Field Wiring Arm Screw Torque 7Ć9 inchĆpounds
Agency Certification
(when product or packaging is marked)
• CSA certified
• CSA Class I, Division 2, Groups A, B, C, D certified
• UL listed
• CE marked for all applicable directives
Installation Instructions 1771Ć5.46
1 The inputs are protected to 35V.
2 Only 8 volts can be placed directly across the input when configured in the current mode.
3 Refer to publication 1770-4.1, "Programmable Controller Wiring and Grounding Guidelines for Noise Immunity."
Word 24 of the block transfer write data table shows the module scan
time for a given configuration. These figures are the time it takes to
sample all channels and process the data.
Table A.A
Scan Time in SingleĆEnded Mode
Numberof Oversamples Word 24 Time (ms)
0 798 7.98
1 392 3.92
2 451 4.51
4 567 5.67
8 798 7.98
16 1260 12.60
32 2183 21.83
64 4028 40.28
128 7718 77.18
256 15100 151.00
Table A.B
Scan Time in Differential Mode
Numberof Oversamples Word 24 Time (ms)
0 402 4.02
1 199 1.99
2 229 2.29
4 287 2.87
8 402 4.02
16 634 6.34
32 1096 10.96
64 2018 20.18
128 3864 38.64
256 7554 75.54
Module Scan Time