Mitsubishi MELDAS TRS50 - Description of Check Pins

4)
DESCRIPTION OF CHECK PINS
Item
Check Signal Function
pin
1 Control CH7 Servo ON Signal for checking servo ON/OFF.
signal signal
Servo OFF when low; ON when high.
CHll Power
Pin for checking whether +24V is being
unit con-
trol sig-
supplied to power unit.
nal
CHlS I(
8,
2 Speed
CHl TG feed-
Pin for checking TG signal.
back
loop
signal
Output is 2V +/-10%/1000 rpm (ARST, ATT)
CH3 Speed Indicates error between speed command
loop
error signal and TG.
CH4
8,
Compensation circuit output
CH5 Speed Check pin for when speed command is
command
issued with VRl by toggle switch STl.
3 Current CH6 Current Current loop command signals serving
loop
CH32 command
as torque commands.
CH17 Current Current command (sine wave) of current
command
loop phase U. Waveform is as below:
(phase
V=Ei sinmt
U)
Where Ei
=CE6 voltage
rin wt =
sine wave of 2 cycles per motor
revolution
Note: Output is 0V when Ei or sinwt = 0
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