Allen-Bradley MicroLogix 1400 - Page 120

Publication 1766-RM001A-EN-P - October 2008
118 Using the High-Speed Counter and Programmable Limit Switch
Two Input Counter
(mode 3a)
(1)
Count Up Count Down Not Used Not Used 4
Two Input Counter with
External Reset and Hold
(mode 3b)
(2)
Count Up Count Down Reset Hold 5
Quadrature Counter
(mode 4a)
(1)
A Type Input B Type Input Not Used Not Used 6
Quadrature Counter with
External Reset and Hold
(mode 4b)
(2)
A Type Input B Type Input Z Type Reset Hold 7
Quadrature X4 Counter
(mode 5a)
(1)
A Type Input B Type Input Not Used Not Used 8
Quadrature X4 Counter
with External Reset and
Hold
(2)
A Type Input B Type Input Z Type Reset Hold 9
(1) HSC:3, HSC:4, and HSC:5 support mode 1a, 2a, 3a, 4a, and 5a only.
(2) Only valid for HSC:0, HSC:1, and HSC:2
HSC Function Operating Modes & Input Assignments
Modes of Operation Input 0 (HSC:0)
Input 4 (HSC:1)
Input 8 (HSC:2)
Input 2 (HSC:3)
Input 6 (HSC:4)
Input 10 (HSC:5)
Input 1 (HSC:0)
Input 5 (HSC:1)
Input 9 (HSC:2)
Input 3 (HSC:3)
Input 7 (HSC:4)
Input 11 (HSC:5)
Input 2 (HSC:0)
Input 6 (HSC:1)
Input 10 (HSC:2)
Input 3 (HSC:0)
Input 7 (HSC:1)
Input 11 (HSC:2)
Mode Value in
User Program
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