14 - 15
Chapter 14 Common Functions
[2] Restrictions
(1) The following monitor data cannot be used during amplifier-less operation
mode.
Buffer memory address
Storage item Storage details
QD77MS2
QD77MS4
QD77MS16
Md.102
Deviation counter value Always "0" during amplifier-less operation mode.
852+100n
853+100n
2452+100n
2453+100n
Md.106
Servo amplifier
software No.
Always "0" during amplifier-less operation mode.
864+100n
to
869+100n
2464+100n
to
2469+100n
Md.107
Parameter error No. Always "0" during amplifier-less operation mode. 870+100n 2470+100n
As follows during amplifier-less operation mode.
• Zero point pass (b0) : Always ON
• Zero speed (b3) : Change depending on the
command speed
• Speed limit (b4) : Always OFF
• PID control (b8) : Always OFF
876+100n 2476+100n
Md.108
Servo status
As follows during amplifier-less operation mode.
• READY ON(b0), Servo ON(b1):
Change depending on the all axis servo ON
signal[Y1] and "
Cd.100
Servo OFF command".
• Control mode (b2, b3) : Always OFF
• Servo alarm(b7) : Always OFF
• In-position(b12) : Always ON
• Torque limit(b13) : Change depending on
" Md.104 Motor current
value
".
(Refer to "Restrictions (2),
(3)" for details.)
• Absolute position lost(b14) : Always OFF
• Servo warning(b15) : Always OFF
877+100n 2477+100n
Md.109
Regenerative load ratio/
Optional data monitor
output 1
Always "0" during amplifier-less operation mode. 878+100n 2478+100n
Md.110
Effective load torque/
Optional data monitor
output 2
Always "0" during amplifier-less operation mode. 879+100n 2479+100n
Md.111
Peak torque ratio/
Optional data monitor
output 3
Always "0" during amplifier-less operation mode. 880+100n 2480+100n
Md.112
Optional data monitor
output 4
Always "0" during amplifier-less operation mode. 881+100n 2481+100n
n: Axis No.-1
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