Function Block Diagram - Mitsubishi Electric MELSERVO-J4 MR-J4 A Series Instruction Manual

7. SPECIAL ADJUSTMENT FUNCTIONS

7.2.2 Function block diagram

The control gains, load to motor inertia ratio, and vibration suppression control settings are changed
according to the conditions selected by [Pr. PB26 Gain switching function] and [Pr. PB27 Gain switching
condition].
GD2
[Pr.PB06]
GD2B
[Pr.PB29]
PG1
[Pr.PB07]
PG1B
[Pr.PB60]
PG2
[Pr.PB08]
PG2B
[Pr.PB30]
VG2
[Pr.PB09]
VG2B
[Pr.PB31]
VIC
[Pr.PB10]
VICB
[Pr.PB32]
Input device (CDP)
Command pulse
frequency
Droop pulses
Model speed
CDL
[Pr.PB27]
Enabled
GD2 value
GD2
Enabled
PG1 value
PG1
Enabled
PG2 value
PG2
Enabled
VG2 value
VG2
Enabled
VIC value VIC
7 - 15
CDP
[Pr.PB26]
+
-
+
-
+
-
Comparator
VRF11
[Pr.PB19]
VRF11B
[Pr.PB33]
VRF12
[Pr.PB20]
VRF12B
[Pr.PB34]
VRF13
[Pr.PB21]
VRF13B
[Pr.PB35]
VRF14
[Pr.PB22]
VRF14B
[Pr.PB36]
VRF21
[Pr.PB52]
VRF21B
[Pr.PB56]
VRF22
[Pr.PB53]
VRF22B
[Pr.PB57]
VRF23
[Pr.PB54]
VRF23B
[Pr.PB58]
VRF24
[Pr.PB55]
VRF24B
[Pr.PB59]
Changing
Enabled
VRF11 value
VRF11
Enabled
VRF12 value
VRF12
Enabled
VRF13 value
VRF13
Enabled
VRF14 value
VRF14
Enabled
VRF21 value
VRF21
Enabled
VRF22 value
VRF22
Enabled
VRF23 value
VRF23
Enabled
VRF24 value VRF24