
1.DISPLAY AND OPERATION B-63945EN/01
- 34 -
• Diagnosis data related to the dual position feedback function
DGN 550 Closed loop error
[Data type] 2-word axis
[Unit of data] Detection unit
[Valid data range] -99999999 to +99999999
DGN 551 Semi-closed loop error
[Data type] 2-word axis
[Unit of data] Detection unit
[Valid data range] -99999999 to +99999999
DGN 552 Error between semi-closed and closed loops
[Data type] Word axis
[Unit of data] Detection unit
[Valid data range] -32768 to +32767
DGN 553 Amount of dual position compensation
[Data type] 2-word axis
[Unit of data] Detection unit
[Valid data range] -99999999 to +99999999
The data items displayed on the diagnosis screen are obtained at the
following positions:
Semi-closed loop
error (No. 551)
Σ
Kp
Speed
control
Machine
Conversion
coefficients
×
Time
constant
Σ
Closed loop erro
(No. 550)
Error between
semi-closed and
closed loops (No.
552)
Amount of dual
position
compensation (No.
553)
Motor
Servo amplifier
(Parameters No. 2078 and 2079)
(Parameter No. 2080)
+
-
-
+
+
+
-
+
+
+
+
-
Command
Ps