Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
Using the High-Speed Counter and Programmable Limit Switch 93
HSC Function File
Sub-Elements
All examples illustrate HSC0.
Program File Number (PFN)
The PFN (Program File Number) variable defines which subroutine is
called (executed) when HSC0 counts to High Preset or Low Preset, or
through Overflow or Underflow. The integer value of this variable defines
which program file will run at that time. A valid subroutine file is any
program file (3 to 255).
Error Code (ER)
The ERs (Error Codes) detected by the HSC sub-system are displayed in
this word. Errors include:
Description Address Data Format
HSC Modes
(1)
(1) For Mode descriptions, see HSC Mode (MOD) on page 107.
Type User Program Access
PFN - Program
File Number
HSC:0.PFN word (INT) 0 to 7 control read only
Description Address Data Format
HSC Modes
(1)
(1) For Mode descriptions, see HSC Mode (MOD) on page 107.
Type User Program Access
ER - Error Code HSC:0.ER word (INT) 0 to 7 status read only
HSC Error Codes
Error Code Name
Mode
(1)
(1) For Mode descriptions, see HSC Mode (MOD) on page 107.
Description
1 Invalid File
Number
n/a Interrupt (program) file identified in HSC:0.PFN is
less than 3, greater than 255, or does not exist
2 Invalid Mode n/a
Invalid Mode
(1)
3 Invalid High
Preset
0,1 High preset is less than or equal to zero (0)
2 to 7 High preset is less than or equal to low preset
4 Invalid Overflow 0 to 7 High preset is greater than overflow
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Allen-Bradley MicroLogix 1100 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1100
Category	Controller
Language	English