2-7
Section
Synchronized Pulse Control (CPM2A/CPM2C Only)
136
Using Synchronized Pulse Control
Select the input mode.
Differential phase pulse input mode, pulse + direction input
mode, up/down pulse input mode, increment mode
Select the pulse synchronization
input frequency.
Input frequency: 10 Hz to 500 Hz; 20 Hz to 1 kHz; 300 Hz to 20 kHz
Wire the inputs and outputs.
PC Setup (DM 6642)
Output numbers: 01000 and 01001
Create a ladder diagram program.
SYNC(––): For beginning synchronized pulse control and changing the scaling factor.
INI(61): For stopping synchronized pulse control.
PRV(62): For reading the high-speed counter frequency and the synchronized pulse
control status.
Input numbers: 00000, 00001, and 0002
Settings for synchronized pulse control: Input mode, input frequency
PC Setup
DM 6642, bits 08 to 15
Encoder
inputs
Input mode
Count
Differential phase input
Pulse + direction input
Up/down input
Increment input
Ladder diagram program
INI(61)
MODE CONTROL
instruction
Stop synchronized
pulse control
Every scan
Counter frequency PV
SR 249
SR 248
PRV(62)
Immediately
HIGH-SPEED
COUNTER PV
READ instruction
Read high-speed counter
frequency
Read synchronized pulse
control status
Synchronized pulse
control status
AR 1100 to AR 1107
PC Setup
DM 6642, bits
00 to 03
Either
Pulse output 0
Pulse output 1
Synchronized
pulse control
10 Hz to 500 Hz
20 Hz to 1 kHz
300 Hz to 20 kHz
SYNC(––)
SYNCHRONIZED
PULSE CONTROL
instruction
Start synchronized
pulse control
Change scaling
factor
Every scan
The pulse output frequency cannot be read.