Structure of the external encoder function – Yaskawa MP940 Reference Manual User Manual
Page 117

CNTR Function
MotionSuite™ MP940 Machine Controller Reference Manual
4-26
Structure of the External Encoder Function
The counter function executes functions selected according to the fixed
parameters and output registers, and messages the status and counter to the
input register.
The data flow of the counter function is shown in the figure below.
Encoder Function
Condition Setting
Fixed Parameters
Register Input(16W)
CNTR Function
CPU
Command from
CPU → Counter
’• Incremental
Pulse
’• Hardware Counter
’• Latch Data, etc.
’• Operation Status
’• Operation Mode
• Head Register Number
• A/B Pulse Signal State
Selection
• A/B Pulse Attribute
Format
• Counter Mode
• Other Function Selection
P
ul
s
e I
np
ut
P
roc
es
s
or
Virtual Global Memory
Data from Counter→CPU
5V
Differential
Interface
I/O
Pulse Input
Latch Input
Conformance
Detection Output
Output Register
(16W)
’• Preset Attribute Data
’• Conformance Detection
Setting
• A/B Pulse Signal
Polarity Selection