Peripherals - Mitsubishi Electric MELSEC iQ-RD77MS2 User Manual

PERIPHERALS

The following figure shows the peripherals when the RD77MS is used.
Manual pulse generator/
Incremental synchronous encoder
× 1
Assigning the external input signals
for 20 points to any of the following
signals.
• External command signal/Switching
signal
• Upper stroke limit
• Lower stroke limit
• Proximity dog signal
• Stop signal
Forced stop input (24 V DC)
• The external input signal cannot be used depending on the connected device. Confirm the specification of
the connected device.
• When using RD77MS2, the external input signals that can be assigned are for 10 points.
16
RD77MS
RD77MS4
RUN ERR
3 1
AX AX
4 2
SSCNET µ
cable
External input
signal cable
Servo
motor
MR-J4(W)-B servo amplifier
MR-J3(W)-B servo amplifier
MR-JE-B(F) servo amplifier
Optical hub unit MR-MV200
Inverter FR-A700 series/FR-A800 series
Stepping motor driver AlphaStep/5-phase
manufactured by ORIENTAL MOTOR Co., Ltd.
Servo driver VC
manufactured by CKD NIKKI DENSO CO., LTD.
IAI electric actuator controller
manufactured by IAI Corporation
RD77MS2: Up to 2 axes
RD77MS4: Up to 4 axes
RD77MS8: Up to 8 axes
RD77MS16: Up to 16 axes
External input signals of servo amplifier
• Upper stroke limit
• Lower stroke limit
• Proximity dog
Servo
motor
´
series/VPH series
Servo
motor
Synchronous encoder via servo amplifier:
Q171ENC-W8 (Up to 4 modules via
MR-J4-B-RJ), etc.