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3 POSITIONING DEDICATED SIGNALS
(2) Real mode axis information register (SD500, SD501)
............................. Monitor device
This signal is used to store the information used as a real mode axis at the time
of switching from real mode to virtual mode.
The real mode axis information does not change at the time of switching from
virtual mode to real mode.
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Axis 16 Axis 15 Axis 14 Axis 13 Axis 12 Axis 11 Axis 10 Axis 9 Axis 8 Axis 7 Axis 6 Axis 5 Axis 4 Axis 3 Axis 2 Axis 1
Axis 32 Axis 31 Axis 30 Axis 29 Axis 28 Axis 27 Axis 26 Axis 25 Axis 24 Axis 23 Axis 22 Axis 21 Axis 20 Axis 19 Axis 18 Axis 17
Real mode axis information
SD500
SD501
0 : Except real mode axis
1 : Real mode axis
(Note-2): Refer to APPENDIX of the "Q173D(S)CPU/Q172D(S)CPU Motion controller (SV22)
Programming Manual (VIRTUAL MODE)" for the expression method of the axis
number corresponding to each bit of word data.
(Note-1): The following range is valid.
Q172DSCPU : Axis No.1 to 16
Q172DCPU(-S1) : Axis No.1 to 8
(3) Servo amplifier loading information (SD502, SD503)
............................. Monitor device
The mounting status of the servo amplifier is checked at the power supply on or
reset of the Multiple CPU system and its results are stored in this device.
If communication with servo amplifier stops, it is reset.
The mounting status of changed axis after the power supply on is stored.
Axis 16 Axis 15 Axis 14 Axis 13 Axis 12 Axis 11 Axis 10 Axis 9 Axis 8 Axis 7 Axis 6 Axis 5 Axis 4 Axis 3 Axis 2 Axis 1
Axis 32 Axis 31 Axis 30 Axis 29 Axis 28 Axis 27 Axis 26 Axis 25 Axis 24 Axis 23 Axis 22 Axis 21 Axis 20 Axis 19 Axis 18 Axis 17
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
SD502
SD503
Servo amplifier mounting status
0: Not mounted
1: Mounted
(Note-1): The following range is valid.
Q172DSCPU : Axis No.1 to 16
Q172DCPU(-S1) : Axis No.1 to 8
(a) Servo amplifier mounting status
1) Mounting status
• Mounted ..…..... The servo amplifier is normal. (Communication with
the servo amplifier is normal.)
• Not mounted .... The servo amplifier is not mounted.
The servo amplifier control circuit power is off.
Normal communication with the servo amplifier is
not possible due to a connecting cable fault, etc.
2) The system settings and servo amplifier mounting status are shown
below.
System Settings
Servo amplifier
Mounted Not mounted
Used (axis No. setting) 1 is stored 0 is stored
Unused 0 is stored
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