Mitsubishi Electric FX-1PG User Manual page 49

FX-1PG/FX -1PG PULSE GENERATOR UNIT
2N
< When normally closed contacts are used >
The input connection diagram shown below indicates
the case where the BFM #3 b 12 and b14 are set to 1
and normally closed contacts (b-contacts) are used.
SW1 SW2
Home position Interrupt
return single-speed
LSD LSI
Near point INTERRUPT
signal input
SW3
External
STOP
command
input
LS2
Stop point
24V 0V S/S S/S
24V
DC
PGU
PC
Input switches SW1 to SW3 are selected in accordance
with the type of operation.
OUTLINE OF OPERATION MODES
• To assure safety, provide limit switches for detecting
SW3
External
command
LS1
Deceleration
start
STOP DOG
• Because a drive amplifier for a stepper motor does
• When b2 and b3 of the BFM #25 are driven by these
the forward and reverse limits on the servo
amplifier also. (See Section 8.4.)
Make sure so that the limit switches on the PC are
actuated simultaneously with or a little earlier than
the limit switches on the servo amplifier.
Forward Forward Reverse
limit limit limit
LSP
PC Servo amplifier
not have these terminals, make sure to provide limit
switches on the PC.
signals, pulse output is stopped and the counter
clear output CLR is generated. (See Section 8.4.)
6-10
6
Reverse
limit
LSN