Description Of Check Pins - Mitsubishi MELDAS TRS50 Manual

DESCRIPTION OF CHECK PINS

Item Check Signal
pin
1 Control CH7 Servo ON Signal for checking servo ON/OFF.
signal signal
unit con-
trol sig-
Speed
loop
signal
CH3 Speed
error
CH4
Speed
command
3 Current CH6 Current Current loop command signals serving
loop CH32 command
CH17 Current
command
(phase
Function
Servo OFF when low; ON when high.
Pin for checking whether +24V is being
supplied to power unit.
nal
back
Output is 2V +/-10%/1000 rpm (ARST, ATT)
Indicates error between speed command
loop
signal and TG.
Compensation circuit output
Check pin for when speed command is
issued with VRl by toggle switch STl.
as torque commands.
Current command (sine wave) of current
loop phase U.
Where Ei =CE6 voltage
Note: Output is 0V when Ei or sinwt
Waveform is as below:
sine wave of 2 cycles per motor
revolution