Mitsubishi Electric FX3S Series User Manual page 208

FX /FX /FX
3S 3G 3GC
Built-in Positioning Functions
*6.
*7.
B - 164
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/FX /FX PLC User's Manual - Positioning Control Edition
3U 3UC
To use pin 3 of the CN1 connector of the MR-CA servo amplifier for the "servo ready" signal, set
parameter 21 as follows:
Series Parameter number
MR-C 21
To ensure safety, use a forward rotation limit switch and reverse rotation limit switch on both sides: the
PLC side and the servo amplifier side.
Note that the limit switches on the PLC side should be activated slightly earlier than the limit switches
on the servo amplifier side.
Reverse rotation limit 2 Reverse rotation limit 1
(Servo amplifier side) (Programmable controller side)
Servo motor
Reverse rotation
search engine
Setting value
020
Forward rotation limit 1
(Programmable controller side)
LSR
Forward rotation
12 Examples of Programs
12.1 Input/Output Assignment
Forward rotation limit 2
(Servo amplifier side)
LSF