— 7-1 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
7.1. General Operation and Function
7.1.1. Servo On (SVON) Input
7. Operational Function
7.1. General Operation and Function
7.1.1. Servo ON (SVON) Input
l
Turn on the power, thus the DRDY output circuit is closed, then making the SVON input ON
should make the Motor servo-on.
l
The position error counter will be cleared when the SVON input is OFF.
l
When the SVON input is ON, the MO command will turn the servo-off.
l
The SV or the MS command will turn the servo ON when the servo is turned off by the MO
command.
Figure 7-1
CPU initialise (2 sec approx.)
30 ms max.
Invalid
Closed
Open
ON
OFF
ON
OFF
Power supply
DRDY output
SVON input
Motor servo
RS-232C command
ON
OFF
SV or MS
MO
SV or MS
SV or MS
5 ms max.
u
Precaution when turning on or off the main power supply and the control power
supply separately:
l
When turning on the main power after the control power was turned on:
Turn on the main power first, and then the SVON input.
l
When turning off the main power supply remaining the control power turned on:
Turn off the SVON input first, then the main power supply.
* When the main power supply is turned off in the servo-on state, the Driver Unit outputs the AC
Line under-voltage alarm. (Once this alarm occurs, it will not recover unless the power is turned
on again.)
Figure 7-2
1 sec or more
on
off
on
off
Control power
supply
Main power
supply
SVON input
ON
OFF
Содержание MEGATORQUE M-ESB-YSB2020AB300
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