Special Relays (Sm) - Mitsubishi Electric Q173DSCPU Programming Manual

4 POSITIONING DEDICATED SIGNALS

4.4 Special Relays (SM)

Device No.
SM500
SM501
SM502
SM503
SM506
SM508
SM510
SM512
SM513
SM516
There are 2256 special relay points of SM0 to SM2255 in the Motion CPU.
Of these, devices in Table4.1 are used for the positioning control.
The special relay list used for the positioning control is shown below.
(Refer to "Q173D(S)CPU/Q172D(S)CPU Motion controller (SV13/SV22) Programming
Manual (REAL MODE)" or "Q173D(S)CPU/Q172D(S)CPU Motion controller
Programming Manual (COMMON)" for details of special relays.)
Signal name
PCPU REDAY complete flag
TEST mode ON flag
External forced stop input flag
Digital oscilloscope executing flag
External forced stop input ON latch flag
Amplifier-less operation status flag
TEST mode request error flag
Motion CPU WDT error flag
Manual pulse generator axis setting error flag
Servo program setting error flag
Ver.! : Refer to Section 1.4 for the software version that supports this function.
Table 4.1 Special relay list
Ver.!
4 - 39
Refresh cycle Fetch cycle
Main cycle
Operation cycle
Main cycle
Operation cycle
Main cycle
Signal type
Status signal