sh030106u.pdf - 第123页

3. SIG NALS A ND WIRI NG 3 - 46 (e) Main c ircuit power s upply o ff during c ontrol circ uit pow er supply on POINT In the torq ue contr ol mod e, the f orced stop dece leratio n functi on is n ot ava ilable. ON OFF ON …

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3. SIGNALS AND WIRING
3 - 45
3) When SSCNET III/H communication shut-off occurs
The dynamic brake may operate depending on the communication shut-off status.
ON
OFF
ON
OFF
0 r/min
AANo alarm (d1 or E7)
SSCNET III/H communication has broken.
Model speed command 0
and equal to or less than
zero speed (Note)
Tb [Pr. PC02 Electromagnetic
brake sequence output]
Operation delay time
of the electromagnetic
brake
ON
ON
OFF
OFF
MBR
(Electromagnetic
brake interlock)
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
Servo motor speed
ALM (Malfunction)
Release
Activate
Electromagnetic
brake
Ready-on command
(from controller)
Servo-on command
(from controller)
Note. The model speed command is a speed command
g
enerated in the servo amplifier for forced stop deceleration of the servo motor.
(d) Both main and control circuit power supplies off
MBR
(Electromagnetic
brake interlock)
(Note 2)
ON
OFF
Base circuit
ON
OFF
Alarm
[AL. 10 Undervoltage]
No alarm
Alarm
Approx. 10 ms
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
(Note 1)
Operation delay time of
the electromagnetic brake
Servo motor speed
ON
OFF
Main circuit
Control circuit
power supply
0 r/min
Note 1. Variable accordin
g
to the operation status.
2. ON: Electromagnetic brake is not activated.
OFF: Electroma
g
netic brake is activated.
3. SIGNALS AND WIRING
3 - 46
(e) Main circuit power supply off during control circuit power supply on
POINT
In the torque control mode, the forced stop deceleration function is not available.
ON
OFF
ON
OFF
(Note 2)
The time until a voltage
drop is detected.
ON
OFF
Dynamic brake
Forced stop deceleration
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
Operation delay time of
the electromagnetic brake
0 r/min
Approx. 10 ms
(Note 1)
Servo motor speed
Main circuit
power supply
Base circuit
(Energy supply to
the servo motor)
MBR
(Electromagnetic
brake interlock)
A
LM (Malfunction)
ON (no alarm)
OFF (alarm)
Note 1. ON: Electromagnetic brake is not activated.
OFF: Electroma
g
netic brake is activated.
2. Variable accordin
g
to the operation status.
(f) Ready-off command from controller
Electromagnetic brake
MBR
(Electromagnetic
brake interlock)
Base circuit
Servo motor speed
Ready-on command
(from controller)
(Note)
ON
OFF
ON
OFF
ON
OFF
Approx. 10 ms
0 r/min
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Operation delay time of
the electromagnetic brake
Note. ON: Electromagnetic brake is not activated.
OFF: Electroma
g
netic brake is activated.
3. SIGNALS AND WIRING
3 - 47
(2) When you do not use the forced stop deceleration function
POINT
To disable the function, set "0 _ _ _" in [Pr. PA04].
(a) Servo-on command (from controller) on/off
It is the same as (1) (a) in this section.
(b) Off/on of the forced stop command (from controller) or EM1 (Forced stop 1)
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
MBR
(Electromagnetic
brake interlock)
Operation delay time
of the electromagnetic
brake
Approx. 210 ms
Approx. 210 ms
Electromagnetic brake
has released.
(Note)
ON
OFF
Base circuit
ON
OFF
Servo motor speed
Forced stop command
(from controller)
or
EM1 (Forced stop 1)
ON (Disabled)
OFF (Enabled)
0 r/min
Approx. 10 ms
Note. ON: Electromagnetic brake is not activated.
OFF: Electroma
g
netic brake is activated.
(c) Alarm occurrence
The operation status during an alarm is the same as section 3.7.2.
(d) Both main and control circuit power supplies off
It is the same as (1) (d) in this section.
(e) Main circuit power supply off during control circuit power supply on
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
Operation delay time of
the electromagnetic brake
MBR
(Electromagnetic
brake interlock)
(Note 2)
Base circuit
Alarm
[AL. 10 Undervoltage]
No alarm
Alarm
Servo motor speed
Approx. 10 ms
(Note 1)
ON
OFF
ON
OFF
Main circuit
power supply
ON
OFF
0 r/min
Note 1. Variable accordin
g
to the operation status.
2. ON: Electromagnetic brake is not activated.
OFF: Electroma
g
netic brake is activated.