Allen-Bradley MicroLogix 1200 Reference Manual

Publication 1762-RM001C-EN-P
Using the High-Speed Counter 5-3
The HSC is extremely versatile; the user can select or configure each HSC
for any one of eight (8) modes of operation. (Operating Modes are
discussed later in this chapter. See section HSC Mode (MOD) on page
5-16). Some of the enhanced capabilities of the High-Speed Counters are:
•
20 kHz operation
•
High-speed direct control of outputs
•
32-bit signed integer data (count range of ± 2,147,483,647)
•
Programmable High and Low presets, and Overflow and Underflow
setpoints
•
Automatic Interrupt processing based on accumulated count
•
Run-time editable parameters (from the user control program)
The High-Speed Counter function operates as described in the following
diagram.
+2,147,483,647 maximum
-2,147,483,648 minimum
Overflow
High Preset
0
Low Preset
Underflow

Allen-Bradley MicroLogix 1200 Specifications

General

Series	MicroLogix 1200
Type	Programmable Logic Controller (PLC)
Mounting	DIN rail or panel mount
Programming Language	Ladder Logic
Programming Software	RSLogix 500
I/O Points	Up to 40
Communication Ports	RS-232, RS-485
Memory	6 KB user memory
Power Supply	24V DC or 120/240V AC
Expansion	Supports expansion I/O modules
Operating Temperature	0°C to 55°C (32°F to 131°F)
Dimensions	90 mm x 110 mm
Weight	0.5 kg (1.1 lbs)