Start Time Adjustment Function - Mitsubishi Electric MELSEC iQ-R-RD75P4 User Manual

Start time adjustment function

Start time adjustment function is used together with Quick start function to adjust the time from when a positioning start trigger
is input to when the RD75 starts outputting pulses.
This function allows users to make a fine adjustment in the start timing without repositioning a sensor.
Control details
The start time adjustment function starts the positioning after a positioning start trigger is input and the time set in [Pr.82] Start
adjustment time elapses, as shown in the following figure.
Start trigger
BUSY signal [XC, XD, XE, XF]
Md.26 Axis operation status
Analysis mode setting
Cd.43
Md.61 Analysis complete flag
Normal timing time
t1
0.88 to 1.77ms
*1 The start time for when the quick start function is used.
7 CONTROL SUB FUNCTIONS
262
7.6 Function Related to Start
v
Operation by a user
Operation by the system
Standby
0: Normal analysis mode
0: Analysis not completed
t1
*1
t2
External command signal: 20s
Positioning start signal: 8s
t2
ON
OFF
Analyzing Start time adjusting
1: Pre-analysis mode
1: Analysis completed
Waiting for
a start trigger
t3
Position control
0: Analysis not completed
t3
[Pr.82] Start adjustment time
t