Mitsubishi A1SD75M3

6 - 4
MELSEC-A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
6.2 List of devices used
The application of the input/output Nos. [X] [Y], internal relays [M] and data registers
[D] used in this chapter are shown below.
Device
Device
name
Axis 1 Axis 2 Axis 3
Application Details when ON
X0 AD75 READY signal Preparation incomplete/WDT error
X1 X2 X3 Positioning start complete signal Start completed
X4 X5 X6 BUSY signal BUSY (operating)
X7 X8 X9 Positioning complete signal Positioning completed
XA XB XC Error detection signal Error detected
Input
XD XE XF M code ON signal Outputting M code
Y10 Y11 Y12 Positioning start signal Requesting start
Y13 Y14 Y1C Axis stop signal Requesting stop
Y15 All axes servo ON signal Requesting all axes servo ON
Y16 Y18 Y1A Forward run JOG start signal Starting forward run JOG
Y17 Y19 Y1B Reverse run JOG start signal Starting reverse run JOG
AD75
Out-
put
Y1D PLC READY signal PLC CPU preparation completed
X20 Zero point return request OFF command
Commanding zero point return request
OFF
X21 External start valid setting command Commanding external start valid setting
X22 External start invalid command
Commanding external start invalid
command
X23 Machine zero point return command Commanding machine zero point return
X24 High-speed zero point return command Commanding high-speed zero point return
X25 Positioning start command Commanding positioning start
X26
Speed/position changeover operation
command
Commanding speed/position changeover
operation
X27
Speed/position changeover enable
command
Commanding speed/position changeover
enable
X28
Speed/position changeover prohibit
command
Commanding speed/position changeover
prohibit
X29 Movement amount change command Commanding movement amount change
X2A
Advanced positioning control start
command
Commanding advanced positioning
control start
X2B Positioning start command Commanding positioning start
X2C M code OFF command Commanding M code OFF
X2D JOG operation speed setting command
Commanding JOG operation speed
setting
X2E Forward run JOG command Commanding forward run JOG operation
X2F Reverse run JOG command Commanding reverse run JOG
X30
Manual pulse generator operation enable
command
Commanding manual pulse generator
operation enable
X31
Manual pulse generator operation disable
command
Commanding manual pulse generator
operation disable
X32 Speed change command Commanding speed change
X33 Override command Commanding override
Command
X34
—
Acceleration/deceleration time change
command
Commanding acceleration/deceleration
time change