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

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]
7 SPECIAL ADJUSTMENT FUNCTIONS
260
7.2 Gain switching function
Control command from
controller (C_CDP) and
Input device CDP
(Gain switching).
Command pulse
frequency
Droop pulses
Model speed
CDL
[Pr. PB27]
Enabled
GD2 value
Enabled
PG1 value
Enabled
PG2 value
Enabled
VG2 value
Enabled
VIC value
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
Enabled
VRF12 value
Enabled
VRF13 value
Enabled
VRF14 value
Enabled
VRF21 value
Enabled
VRF22 value
Enabled
VRF23 value
Enabled
VRF24 value