9 - 16
MELSEC-
9 MAIN POSITIONING CONTROL
Restrictions
(1) A 56.8ms error will occur in the current value update timing when the stored
"current feed value" and "machine feed value" are used in the control.
(2) The "current feed value" and "machine feed value" may differ from the values
set in "
Da.5
Positioning address/movement amount" of the positioning data
if the movement amount per pulse is not set to "1".
(A command pulse less than one pulse stored in the D75P2 is not subject to
position command output and is not reflected to the monitor value.)
Monitoring the current value
The "current feed value" and "machine feed value" are stored in the following
remote register/buffer memory addresses.
Remote register, buffer memory address
Axis 1 Axis 2
Current feed value RWrn + 0 to 1 RWrn + 8 to 9
Md.30 Machine feed value 802, 803 902, 903
