Mitsubishi Electric Melservo-J3 Series MR-J3-B, Инструкция по эксплуатации

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17 - 9
17. SPEED CONTROL OPERATION
(2) Output signals (Output device)
POINT
The output devices can be used for external output signals of CC-Link RX and
CN6 connector.
Device of which Device No. column has a diagonal line cannot be used in CC-Link.
Signal name
(Device name)
Description
Device No.
1 station
occupied
2 stations
occupied
Ready A ready is assigned to the CN6-14 pin as an external output signal. When the
servo-on is on and the servo amplifier is ready to operate, RXn0 turns on. RXn0 RXn0
Limiting torque RXn4 turns on when the set torque value is reached at the time of torque
generation. RXn4 RXn4
Speed reached When servo-on (RYn0) is off or when both forward rotation start (RYn1) and
reverse rotation start (RYn2) are off, and the servo motor speed has not
reached the set speed, RXn5 turns off. When the servo motor speed
approaches the set speed, RXn5 turns on. When the preset speed is 20r/min or
less, RXn5 is always on. RXn5 RXn5
Electromagnetic brake
interlock RXn6 turns off at servo-off or alarm occurrence. It will be off regardless of the
state of the base circuit in the event of an alarm. RXn6 RXn6
Monitoring Refer to monitor output execution demand (RYn8). RXn8 RXn8
Instruction code execution
completion Refer to instruction code execution demand (RYn9). RXn9 RXn9
Warning When a warning occurs, RXnA turns on.
When no warning occurs, turning on the power will turn off RXnA after about 1 s. RXnA RXnA
Dynamic brake interlock RXnD turns on when the dynamic brake needs to operate. When using an
external dynamic brake with the servo amplifier of 11kW or more, this device is
required. (Refer to section 14.6.)
For the servo amplifier of 7kW or less, it is not necessary to use this device. RXnD RXnD
Zero speed detection RXnF turns on when the servo motor speed is at zero speed (50 r/min) or less.
Zero speed can be changed with parameter No. PC17.
Example: Zero speed is 50 r/min
4)
OFF
ON
0 r/min
1)
2)
3)
20 r/min
(Hysteresis width)
Parameter
No.PC17
Parameter
No.PC17
20 r/min
(Hysteresis width)
OFF level
70 r/min
ON level
50 r/min
ON level
50 r/min
OFF level
70 r/min
Zero speed
detection
(RXnF)
Reverse
rotation
direction
Servo motor
Speed
Forward
rotation
direction
RXnF turns on when the servo motor is decelerated to 50 r/min (at 1)), and turns
off when the servo motor is accelerated to 70 r/min again (at 2)). RXnF turns on
when the servo motor is decelerated again to 50 r/min (at 3)), and turns off when
the servo motor speed has reached -70 r/min (at 4)).
The range from the point when the servo motor speed has reached the on-level,
and RXnF turns on, to the point when it is accelerated again and has reached
the off-level is called hysteresis width.
Hysteresis width is 20 r/min for this servo amplifier.
RXnF RXnF