Operation After Power Turn-On - Panasonic MINAS-A4P Technical Reference

Ac servo amplifier
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7-2
Operation Timing after Power-ON
Control power supply
(L1C, L2C)
Internal control
power supply
Microcomputer
Main power supply
(L1C, L2C)
Servo alarm output
(X5 Pin 15)
Servo-ON input
(X5 Pin 23)
Dynamic brake
Motor energized
BRK-OFF output
(X5 Pin 36)
Point specifying input
(P1IN - P32IN)
Strobe signal
(STB)
- The above chart shows the timing from AC power-ON to command input.
- Activate the external command input according to the above timing chart.
*1. In this term Servo –ON input ( X5 SRV-ON:pin23) turns ON as a hard ware, but operation command can
not be received.
*2. Servo alarm output( X5 ALM:pin15) turns ON when the microcomputer's initialization is completed, and
the condition of no error is occurring. Servo-ON input turns ON after Servo alarm turns ON and the main
power supply is activated sufficiently.
*3.
After Internal control power supply , protective functions are active from approx. 1.5 sec after the start of initializing
microcomputer. Please set the signals, especially for protective function, for example over-travel inhibit
input(CWL,CCWL) or emergency stop input (EMG-STP), so as to decide their logic until this term.
A4P
OFF
Approx. 100 - 300 ms
OFF
Approx. 2 s
Approx 1.5s  *3
reset
initialize
0 s or more
OFF
OFF 
OFF 
ON
Not energized
OFF (Brake engaged)
OFF
MOTOR COMPANY, MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD
ON
Activated
ON
ON
*2
Approx. 10 ms
or more
Approx. 10 ms
or more
*2
0 s or more
No. SR-DSV09485
ON 
ON 
Approx. 2ms
OFF 
Approx. 40 ms
Energized
Approx. 2ms
ON (Brake released)
Point setting
MIN 10ms
Approx. 100 ms or more *1
- 45 -
ON

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