3 SIGNALS AND WIRING
3.3 Explanation of power supply system
55
3
Timing chart
*1 Input the ready-on command simultaneously to all drive units connected with the protection coordination cable. Otherwise, [AL. 0E9
Main circuit off warning] or [AL. 01B Protection coordination error] may occur.
*2 If an alarm occurs, turn off all ready-on commands to the drive units connected with the protection coordination cable. Otherwise, [AL.
0E9] or [AL. 01B] may occur when the alarm is reset.
*3 For a fully closed loop system, this time is 2 s longer.
*4 To turn off the ready-on command, first turn off the servo-on command and turn off the ready-on command. Otherwise, [AL. 01B] may
occur.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
100 ms
*4
5 ms
10 ms
100 ms
*4
5 ms
100 ms
5 ms
100 ms
5 ms
*1
*2
*1
No alarm (ON)
Alarm (OFF)
No alarm (ON)
Alarm (OFF)
Drive unit (second unit)
Control circuit power supply
Drive unit (first unit)
Control circuit power supply
Ready-on command
(from controller)
Servo-on command
(from controller)
Drive unit (first unit)
Base circuit
Drive unit (first unit)
Servo-on
(RD: Ready)
Drive unit (first unit)
ALM (Malfunction)
Drive unit (first unit)
CVST (Converter stop)
Drive unit (second unit)
Base circuit
Drive unit (second unit)
Servo-on
(RD: Ready)
Drive unit (second unit)
ALM (Malfunction)
Drive unit (second unit)
CVST (Converter stop)
Main circuit power supply
Power regeneration converter unit
Control circuit power supply
Max. 3 s
Max. 3 s
(Startup and initial network communication)
*3