LG Industrial Systems GLOFA GM6 Series, Руководство пользователя, Страница: 182 / 209

Chapter 16. Built-in high speed counter of GM6-CPUC
16-1
16. Built-in high speed counter of GM6-CPUC
16.1. Introductions
This chapter describes the specification, handling, and programming of built-in high speed
counter of GM6 -CPUC module. The built-in high speed counter of GM6 -CPUC (Hereafter called
HSC) has the following features;
- 3 counter functions as followings
-
1-phase up / down counter : Up / down is selected by user program
-
1-phase up / down counter : Up / down is selected by external B phase input
-
2-phase up / down counter : Up / down is automatically selected by the phase
difference between phase A and B.
- Multiplication (1, 2, or 4) with 2-phase counter
-
2-phase pulse input multiplied by one : Counts the pulse at the leading edge of phase A.
-
2-phase pulse input multiplied by two : Counts the pulse at the leading / falling edge of
phase A.
- 2-phase pulse input multiplied by four : Counts the pulse at the leading / falling edge of
phase A and B