FR-S2 Series AC Servo Drive
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FR-S2 Series AC Servo Drive

■ Adopt the latest DSP, CPLD and intelligent power module, with high precision and good reliability.
■ Automatically measure the mechanical characteristics of the load inertia, set the optimal gain, and shorten the system debugging time.

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Product Introduction

Servo Drive Name Rules

①	Driver Series	FR: AC drive series DR: DC drive series
②	Drive Type	S2: Universal type
③	Driver Output Power	01: 100W 04: 400W 07: 750W 10: 1KW 13: 1.3KW 15: 1.5KW 20: 2KW 26: 2.6KW
④	Encoder Specifications	B: 17bit-inc, 17bit-abs C: 23bit-inc, 23bit-abs
⑤	Power Voltage	None: Single-phase 220V 1: Three-phase 220V 2: DC Power Supply 3: Three-phase 380V
⑥	Control Model	None: Pulse Analog Mode EC: EtherCAT Mode
⑦	Special Order Products	***: Customized products

Specification Introduction

Input Power Supply		Single-phase/Three-phase AC220V ±10% 50-60Hz
Encoder Type		1. Optical encoding and magnetic encoding: 17-bit encoder, 23-bit encoder
Control Method		0: Position Control method 1: Speed Control Method 2: Torque Control Method
Protective Function		Overspeed, main power overvoltage/undervoltage, overcurrent, overload, encoder abnormality, control power abnormality, position deviation, etc
Monitoring Function		Speed, current position, command pulse accumulation, position deviation, motor torque, motor current, running status, etc.
Regenerative resistor		Internal regenerative resistor or external regenerative resistor (optional)
Control Characteristics	Speed Frequency Response	≥500Hz
	Speed Change Rate	＜±0.01%(load fluctuation 0~100%); <±10% (rated voltage±10%) (the value corresponds to the rated speed)
	Speed Control Range	1: 10000 (the lower limit of the speed control range is stable operation without crawling under rated load)
Position Control	Pulse Frequency	≤6M (differential mode); ≤500K (single-ended mode)
	Input Method	1. Pulse + sign 2. CW pulse + CCW pulse 3. Positive and negative AB phase pulse
	Electronic Gear Ratio	A/B (A=0~65535, B=1~65535)
Speed Control	Speed Command Input Method	External analog quantity, internal speed command
Speed Control	External Analog Command Voltage	The maximum input voltage is ± 10V The variable setting range is 0~±10Vdc/0~±6000rpm.
Torque Control	Command Voltage	Maximum input voltage: ±10V (positive voltage corresponds to positive torque) Factory default setting: 3.3VDC corresponds to rated torque
	Electrical Time Constant	47μs
	Input Resistance	About 20KΩ
Display and Operation		5-digit LED digital display, 4 buttons
Usage Environment		Working temperature: 0~55℃, storage temperature: -20~80℃ Humidity: <90% (no condensation)

Wiring Diagram

FR-S2 Series AC Servo Drive wire diagram

Air Circuit Breaker

Used to protect the power line and cut off the circuit when there is overcurrent

Noise Filter

Used to prevent noise from outside the cable

Electromagnetic Contactor

Turn on/off the servo power supply and install an AC surge suppressor when in use

Braking Resistor

The default built-in braking resistor, when the bus capacitance is insufficient, the P-C terminal is connected to an external braking resistor

Servo drive front panel introduction

FR-S2 Series AC Servo Drive front panel introduction

Number	Terminal Name	Function Description
①	CN3,CN4	Communication terminals.
②	CN1	Input and output control signal terminals.
③	CN2	Encoder signal terminal, connected to motor encoder.
④	L1,L2	Main power input terminal.
⑤	CHARGE	Bus voltage indicator light. Used to indicate that the bus capacitor is in a charged state. When the indicator light is on, even if the main circuit power is turned off, the internal capacitor of the servo unit may still have charge. Therefore, do not touch the power terminal when the light is on to avoid electric shock.
⑥	P,D,C,N	Brake resistor connection terminal.
⑦	U,V,W	Servo motor connection terminal. Connect servo motors U, V, and W phases.
⑧	PE	Grounding terminal. Connect to the power supply and motor grounding terminals for grounding treatment.

Specification and Model

Drive Model	FR-S2-01B	FR-S2-02B	FR-S2-04B	FR-S2-07B	FR-S2-10B
Power	100W	200W	400W	750W	1000W
Drive Model	FR-S2-13B	FR-S2-15B	FR-S2-18B	FR-S2-20B	FR-S2-26B
Power	1.3KW	1.5KW	1.8KW	2.0KW	2.6KW

Servo Driver Terminal Pin Distribution

FR-S2 Series AC Servo Drive terminal pin distribution

▲The above figures all show the pin arrangement of the terminals of the driver body.

CN1 Control Signal Terminal

CN1 control signal terminal provides signals needed for connection with upper controller, using DB44 socket, and signals include:

◆ 4 programmable inputs

◆ 4 programmable outputs

◆ Analog instruction input

◆ Command pulse input

FR-S2 Series AC Servo Drive CN1 control signal terminal

◆ It is recommended to use 24-26AWG cable.

FR-S2 Series AC Servo Drive signal terminal

Features

■ Adopt the latest DSP, CPLD and intelligent power module, with high precision and good reliability.

■ Automatically measure the mechanical characteristics of the load inertia, set the optimal gain, and shorten the system debugging time.

■ Friction torque compensation function can reduce the influence of static friction during mechanical commutation and improve the command following performance of low-speed operation.

■ Small size, new concept appearance design, beautiful and elegant.

■ Support load disturbance observer, which can perform torque feed-forward compensation and improve the dynamic response of the system.

■ With bus voltage compensation function, wide power supply range.

■ With multiple protection and alarm functions, over-current, over-voltage, over-heat and encoder failure.

■ PC debugging software support, can carry out functions such as mechanical characteristic analysis, parameter setting, etc., and the operation is intuitive and simple.

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