Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-Q Series – Simple motion/positioning / QD77GF8 Mitsubishi MELSEC-Q Series Simple motion

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QD77GF8 Mitsubishi MELSEC-Q Series Simple motion

MPN: QD77GF8 · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-Q Series – Simple motion/positioning
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can QD77GF8 be shipped?

QD77GF8 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up QD77GF8 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for QD77GF8 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for QD77GF8, subject to availability and destination.

The Mitsubishi Electric QD77GF8 is a simple motion in the MELSEC-Q Series. Maximum number of control axis: 8 axes, CC-Link IE Field Network connection. Mitsubishi Electric has announced its discontinuation (2028/03 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Simple motion
Type	CC-Link IE Field Network-compatible
Sales status	2028/03 To be end of order (Mitsubishi Electric)
Outline	Maximum number of control axis: 8 axes, CC-Link IE Field Network connection

Control specifications

Number of control axes	Up to 8 axes (virtual servo amplifier axis included)
Operation cycle (operation cycle settings) *1	1.0 ms, 2.0 ms, 4.0 ms
Interpolation function	Linear interpolation (up to 4 axes), 2-axis circular interpolation
Control method	Positioning control, path control, speed control, speed-position switching control, position-speed switching control, speed-torque control
Acceleration/deceleration processing	Trapezoidal acceleration/deceleration, S-curve acceleration/deceleration
Compensation function	Backlash compensation, electronic gear, near pass function
Synchronous control	Synchronous encoder input, cam, phase compensation, cam auto-generation
Control unit	mm, inch, degree, pulse
Positioning control method	Motion profile table
Number of positioning data	600 data (positioning data No. 1 to 600)/axis (Can be set with MELSOFT GX Works2 or a sequence program.)
Backup	Parameters, positioning data, and block start data can be saved on flash ROM (batteryless backup)
Home position return	Driver home position return *5
Positioning control	Linear interpolation control (up to 4 axes) *2 , fixed-pitch feed control (up to 4 axes), 2-axis circular interpolation (auxiliary point-specified, central point-specified), speed control (up to 4 axes), speed-position switching control (INC mode, ABS mode), position-speed switching control (INC mode), current value change
Manual control	JOG operation, inching operation, manual pulse generator operation (up to 1 module)
Speed-torque control	Speed control not including position loop, torque control
Absolute position system	Provided (Made compatible by setting battery to servo amplifier.)
Synchronous encoder interface	4 channels
Synchronous encoder interface: Internal interface	1 channel (incremental)
Synchronous encoder interface: Via a CPU	Provided (incremental)
Synchronous encoder interface: Via link device	Provided (incremental)
Synchronous encoder interface: Via servo amplifier	4 channels
Speed limit	Speed limit value, JOG speed limit value
Torque limit function	Torque limit value same setting, torque limit value individual setting
Forced stop	Valid/invalid setting
Software stroke limit function	Movable range check with feed current value or with machine feed value
Hardware stroke limit function	Provided
Speed change	Provided
Override	0 to 300 %
Acceleration/deceleration processing change	Acceleration/deceleration time
Torque change function	Provided
Target position change function	Speed to a target position address and a target position is changeable.
M-code output function	Provided
Step function	Deceleration unit step, data No. unit step
Skip function	Via a PLC CPU or an external command signal
Teaching function	Provided
Parameter initialization function	Provided
External input signal setting function	Via an internal interface or a servo amplifier
Event history function	Provided
Amplifier-less operation function	Provided
Mark detection function	Continuous detection mode, specified number of detections mode, ring buffer mode
Mark detection function: Mark detection signal	4 points
Mark detection function: Mark detection setting	16 settings
Optional data monitor function	Up to 4 points/axis
Digital oscilloscope function	Bit data: 16 channels, word data: 16 channels *4

Module specifications

Number of control axes (virtual servo amplifier axis included)	Up to 8 axes
Servo amplifier connection method	CC-Link IE Field
Maximum distance between stations [m]	CC-Link IE Field: 100
PERIPHERAL I/F	Via a CPU module (USB, RS-232, Ethernet)
Manual pulse generator/ incremental synchronous encoder signal: Signal input form	Phase A/Phase B (magnification by 4/magnification by 2/magnification by 1), PULSE/SIGN
Manual pulse generator/ incremental synchronous encoder signal: Maximum input pulse frequency	1 Mpps (after magnification by 4, up to 4 Mpps) (differential output type) 200 kpps (after magnification by 4, up to 800 kpps) (voltage-output/open-collector type)
Manual pulse generator/ incremental synchronous encoder signal: Cable length	Up to 30 m (differential output type) Up to 10 m (voltage-output/open-collector type)
Number of occupied I/O points	32 points (I/O allocation: intelligent function module 32 points)
Number of module occupied slots	1
5 V DC internal current consumption [A]	0.8
Mass [kg]	0.26
Exterior dimensions [mm]	98.0 (H) x 27.4 (W) x 115.0 (D)

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

MELSEC-Q/L QD77MS/QD77GF/LD77MS/LD77MH Simple Motion Module User's Manual (Synchronous Control) (IB-0300174-N)	PDF · 2.10MB
MELSEC-Q QD77GF Simple Motion Module User's Manual (Positioning Control) (IB-0300202-F)	PDF · 5.65MB
MELSEC-Q QD77GF Simple Motion Module User's Manual (Network) (IB-0300203-G)	PDF · 3.12MB
QD77GF Before Using the Product (BCN-B62008-313E-H)	PDF · 0.16MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

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