Omron OMNUC G5 R88M-K series User Manual page 303

Pn323
External Feedback Pulse Type Selection
Setting
0 to 2
range
 Select the external encoder type. Ensure that the setting conforms to the external encoder type
which is actually used.
Refer to "5-4 Full Closing Control (P.5-9)".
Explanation of Set Values
Set value
0 90 phase difference output type
Serial communications type
1
(Incremental encoder specifications)
Serial communications type
2
(Absolute encoder specifications)
*1. The maximum input frequency means the feedback speed [pps] of the external encoder, which can
be processed by the Drive. Confirm the instruction manual of the external encoder for the maximum
output frequency on the external encoder.
*2. These are the directions that the Drive counts the Scale of 90 phase difference output type.
Count-down direction
EXA
EXB
EXB is 90° ahead of EXA.
*3 For the external encoder connection direction, set the direction so that count-up occurs when the motor
shaft is rotating in the CCW direction, and count-down occurs when the motor shaft is rotating in the CW
direction If the connection direction cannot be selected due to installation conditions, etc., the count
direction can be reversed using External Feedback Pulse Direction Switching (Pn326).
Precautions for Correct Use
Take note that if Pn000 = 1, the encoder count direction becomes opposite to the count direction
used for monitoring the total external encoder feedback pulses, etc.
If Pn000 = 0, the count direction matches the count direction for monitoring.
Even when the speed command is within the Drive's speed command range, an acceleration alarm
occurs if the speed command exceeds the maximum speed of motor shaft rotation.
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Unit
Description
*2*3
t1
t2
t1 > 0.25 μs
t2 > 1.0 μs
8-4 Analog Control Parameters
Default

setting
Maximum input frequency
0-4 Mpps (Multiplication  4)
0-400 Mpps
0-400 Mpps
Count-up direction
t1
EXA
EXB
t2
EXB is 90° behind EXA.
t1 > 0.25 μs
t2 > 1.0 μs
Full closing
Data
0 R
attribute
*1
8-28
8