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Chapter 14 Common Functions
(2) The operation of the following function of virtual servo amplifier differs from
the actual servo amplifier.
Function Operation
External signal selection function
When "1: External input signal of servo amplifier" is set in "
Pr.80
External input signal
selection
", the external signal status immediately after power supply ON is shown
below.
• Upper/lower limit signal (FLS, RLS): ON
• Near-point dog signal (DOG): OFF
Change the signal status in "
Md.30
External input signal
".
(Refer to "Restrictions (3)" for details.)
When "2: Buffer memory of LD77MS" is set in "[Pr.80] External input signal
selection", the upper/lower limit signal (FLS, RLS) and the near-point dog signal
(DOG) follow the buffer memory status of the Simple Motion module even in the
virtual servo amplifier.
Torque limit function
Turns ON/OFF torque limit ("
Md.108
Servo status
" high-order buffer memory address:
b13) depending on "
Md.104
Motor current value
". (Refer to "Restrictions (3)" for details.)
(3) The following monitor data of virtual servo amplifier differ from the actual
servo amplifiers. The writing operation is possible in the virtual servo
amplifier.
Storage item
Storage details
Buffer memory address
LD77MS2
LD77MS4
LD77MS16
Md.30
External input signal
When "1: External input signal of servo amplifier" is set in
"
Pr.80
External input signal selection
", the external input
signal status can be operated by turning ON/OFF the
following signals.
• b0: Lower limit signal
• b1: Upper limit signal
• b6: Near-point dog signal
816+100n 2416+100n
Md.104
Motor current value
"0" is set after immediately power supply ON.
The motor current value can be emulated by changing this
monitor data in user side.
856+100n 2456+100n
n: Axis No.-1
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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