Sequence input signal- Multi-function input x 8 by parameter setting (forward/reverse drive prohibition, emergency stop, external latch,
Sequence output signalIt is possible to output three types of signal form incl.: brake release, servo ready, servo alarm, positioning com-
I/O signal
USB
Communications
MECHATROLINKII communications
Automatic load inertia detectionAutomatic motor parameter setting. One parameter rigidity setting.
Dynamic brake (DB)Built-in. Operates during main power OFF, servo alarm, servo OFF or overtravel.
Regenerative processingInternal resistor included in models from 600 W to 5 kW. Regenerative resistor externally mounted (option).
Overtravel (OT) prevention functionDB stop, deceleration stop or coast to stop during P-OT, N-OT operation
Encoder divider functionOptional division possible
Protective functionsOvercurrent, overvoltage, undervoltage, overspeed, overload, encoder error, overheat...
Analog monitor functions for supervisionAnalog monitor of motor speed, speed reference, torque reference, command following error, analog input...
Integrated functions
Panel operatorDisplay functions2-digit 7-segment LED display shows the drive status, alarm codes, parameters...
CHARGE lampLits when the main circuit power supply is turned ON.
Safety terminalFunctionsSafety Torque OFF function to cut off the motor current and stop the motor. Output signal for failure monitoring
External encoder feedbackSerial signal and line-driver A-B-Z encoder for full-close control
Speed zero clampPreset velocity command can be clamped to zero by the speed zero clamp input.
soft start time setting0 to 10 s (acceleration, deceleration can be set separately).
communication
InterfacePersonal computer/ Connector mini-USB
Communications standard Compliant with USB 2.0 standard
FunctionParameter setting and status monitoring
Communications protocolMECHATROLINK-II
Station address41H to 51 FH (max. number of slaves: 30)
Tranmission speed10 Mbps
Transmission cycle1, 2 & 4 ms
Data length17-bytes and 32-bytes
Switches2 x rotary switches for setting the MECHATROLINK-II node address
Position signal outputA-phase, B.phase, Z-phase line driver output and Z-phase open-collector output.
Sequence input signal- Multi-function input x 10 by parameter setting (servo ON, control mode switching, forward/reverse drive prohi-
I/O signal
Sequence output signalIt is possible to output four types of signal form incl.: brake release, servo ready, servo alarm, positioning com-
Frequency characteristics2 kHz
Speed zero clampPreset velocity command can be clamped to zero by the speed zero clamp input.
Soft start time setting0 to 10 s (acceleration, deceleration can be set separately). S-curve acceleration/deceleration is also available.
Torque limit3 VDC at rated torque (torque can be limited separately in positive/negative direction).
Preset speed controlPreset speed is selectable from 8 internal settings by digital inputs.
Speed limitSpeed limit can be set by parameter.
Input pulse typeSign + pulse train, 90° phase displacement 2-phase pulse (A-phase+ B-phase) or CCW/CW pulse train
Input pulse frequency4 Mpps max. (200 Kpps max. at open collector).
Command pulse scaling
InterfacePersonal computer/ Connector mini-USB
Communications standardCompliant with USB 2.0 standard
FunctionParameter setting and status monitoring
Automatic load inertia detectionAutomatic motor parameter setting. One parameter rigidity setting.
Dynamic brake (DB)Built-in. Operates during main power OFF, servo alarm, servo OFF or overtravel.
Regenerative processingInternal resistor included in models from 600 W to 5 kW. Regenerative resistor externally mounted (option).
Overtravel (OT) prevention functionDB stop, deceleration stop or coast to stop during P-OT, N-OT operation
Encoder divider functionOptional division possible
Electronic gearing (Numerator/Denominator)Up to 4 electronic gear numerators by combining with inputs.
Internal speed setting function8 speeds may be set internally
Protective functionsOvercurrent, overvoltage, undervoltage, overspeed, overload, encoder error, overheat...
Analog monitor functions for supervisionAnalog monitor of motor speed, speed reference, torque reference, command following error, analog input...
Panel operatorDisplay functions6-digit 7-segment LED display shows the drive status, alarm codes, parameters...
Integrated functions
Panel operator keysUsed to set/monitor parameters and drive condition (5 key switches).
The monitoring signals to output and their scaling can be specified by parameters.
Number of channels: 2 (Output voltage: ±10V DC)
CHARGE lampLits when the main circuit power supply is turned ON.
Safety terminalFunctionsSafety torque OFF function to cut off the motor current and stop the motor. Output signal for failure monitoring
EN61508:2001 (Safety Integrity Level 2, SIL2), EN954-1:1996 (CAT3).
External encoder feedbackSerial signal and line-driver A-B-Z encoder for full-close control
Expansion connectorSerial bus for option board
Servo drive part names
Note: the above pictures show 230V servo drives models only. The 400V servo drives have DC power input terminals for control circuit instead of
L1C and L2C terminals.
Accurax G5 servo drive5
I/O specifications
Terminals specifications (for all drives)
SymbolNameFunction
L1Main power supply input terminalAC power input terminals for the main circuit
L2
L3
L1CControl power supply input terminalAC power input terminals for the control circuit
L2C
24 VDC power input terminals for the control circuit
0 V
B1External regeneration resistor connection terminals Servo drives below 750W: no internal resistor is connected. Leave B2 and B3 open.
B2
B3
UServo motor connection terminalsTerminals for outputs to the servomotor.
V
W
Note: for single-phase servo drives connect the power supply input to L1 and L3.
(for 200V single/three-phase servo drives only).
(for 400V three-phase servo drives only).
Connect an external regenerative resistor between B1 and B2.
Servo drives from 750W to 5 kW: short-circuit in B2 and B3 for internal regenerative resistor. If the
internal regenerative resistor is insufficient, connect an external regenerative resistor between B1 and
B2 and remove the wire between B2 and B3.
6I-COM± pole of external DC power. The power must use 12V-24V (±5%)
5E-STOPEmergency stop The signal name shows the factory setting. The function can be
7P-OTForward run prohibited
8N-OTReverse run prohibited
9DECOrigin proximity
10EXT3External latch input 3
11EXT2External latch input 2
12EXT1External latch input 1
13SI-MON0General purpose monitor input 0
14
15
17-
18192021222324-
-PCLForward torque limitThe function of input signals allocated to pins 5 and 7 to 13 can be changed with these options by
ShellFGShield ground. Connected to frame ground if the shield wire of the I/O signal cable is connected to the connector shell.
16GNDSignal ground. It is insulated with power supply (I-COM) for the control signal in the servo drive.
Connecting pin for the absolute encoder backup battery. Do not connect when a battery is connected to the encoder cable (CN2
connector).
Terminals not used. Do not connect.
parameters settings.
changed by parameter setting.
I/O signals (CN1) - output signals
Pin No.Signal nameFunction
1BRK-OFF+External brake release signal
2BRK-OFF
25S-RDY+Servo ready: ON when there is no servo alarm and control/main circuit power supply is ON
26S-RDY3ALM+Servo alarm: Turns OFF when an error is detected
4ALM-
-INP1Position complete output 1The function of output signals allocated to pins 1,2, 25 and 26 can be changed with these options by
AT-SPEEDSpeed complete
T_LIMTorque limit
ZSPZero speed
V-COINSpeed coincidence
INP2Position complete output 2
WARN1Warning 1
WARN2Warning 2
DENOrigin proximity
V_LIMSpeed limit
1Position/
3+CW
4-CW
2+24 VCW
5+CCW
6-CCW
44+CWLDReference pulse input for line driver only.
45-CWLD
46+CCWLD
47-CCWLD
14
15-AGND1Analog signal ground
16
18NCL
17-AGND1Analog signal ground
7
29
26
27CommonGSELGain switchingEnables gain value according parameter setting.
28
30
31CommonRESETAlarm reset input.Release the alarm status. The error counter is reset when the alarm is reset.
32
Full close loop
SpeedREFSpeed reference input: ±10 V/rated motor speed (input gain can be modified using a parameter).
TorqueTREF1Torque reference input: ±10 V/rated motor torque (input gain can be modified using a parameter).
TorqueTREF2Torque reference input: ±10 V/rated motor torque (input gain can be modified using a parameter).
Position/Speed
Full close loop
Common+24 VINControl power supply input for sequence signals: users must provide the +24 V power supply (12 to 24 V).
Position/Full
close loop
Position/Full
close loop
Speed
Position/Full
close loop
Speed
Position/
Speed/Torque
+24 VCWReference pulse input for line driver and open collector according to parameter setting.
VLIMSpeed limit input: ±10 V/rated motor speed (input gain can be modified using a parameter).
PCLForward torque limit input: ±10 V/rated motor torque (input gain can be modified using a parameter).
RUNServo ON: this turn ON the servo.
DFSEL1Vibration filter switching 1
GESEL1Electronic gear switching 1
VSEL3Internal speed selection 3Input to select the desired speed setting during internally speed operation.
ECRSTError counter reset input.
VSEL2Internal speed selection 2Input to select the desired speed setting during internally speed operation.
TVSELControl mode switching
Reverse torque limit input: ±10 V/rated motor torque (input gain can be modified using a parameter).
Enables vibration filter according parameter setting.
Switches the numerator fro electronic gear ratio.
The speed selecton is combining this input with VSEL1 and VSEL2 inputs.
Resets the position error counter.
The speed selecton is combining this input with VSEL1 and VSEL3 inputs.
Position ↔ speed
Position
To rque
↔
↔
torque
speed
Enables control mode switching
33
8
9POTForward run prohibited
20
13SENGNDSensor ON signal ground.
42
43BATGND (-)
50FGFrame ground
--TLSELTorque limit switchThe function of input signals allocated to pins 8,9 and 26 to 33 can be changed with
12-Terminals not used. Do not connect.
4041-
PositionIPGPulse prohibition input. Digital input to inhibit the position reference pulse.
Speed
Coomon
Position/
Speed/Torque
Common
VSEL1Internal speed selection 1Input to select the desired speed setting during internally speed operation.
NOTReverse run prohibited
SENSensor ON input. Initial data request signal when using an absolute encoder.
BAT (+)
DFSEL2Vibration filter switching 2
GESEL2Electronic gear switching 2
VZEROZero speed
VSIGNSpeed command signal
TSIGNTorque command signal
E-STOPEmergency stop
JSELInertia ratio switching
Backup battery connection terminals when the absolute encoder power is interrupted. Do not connect when a absolute
encoder battery cable for backup is used.
The speed selecton is combining this input with VSEL2 and VSEL3 inputs.
Overtravel prohibited: stops servomotor when movable part travels beyond the
11CommonBKIRBrake release signal output Timing signal for operating the electromagnetic brake on a motor.
10BKIRCOM
35READYServo ready: ON if there is not servo alarm when the control/main circuit power supply is turned ON.
34READYCOM
37/ALMSer vo alarm: turns OFF when an error is detected.
36ALMCOM
39Speed/torqueTGONMotor rotation speed detection. This output turns ON when the motor rotation speed reaches the speed set in a parameter.
39Position/
Full close loop
38INP1COM
--INP2Position complete output 2 The function of output signals allocated to pins 11,10, 34 to 39 can be changed with these op-
+AEncoder phase A+Encoder signals (or external scale signals during full closing control) are output according En-
Z
INP1Positioning complete output 1: turns ON when position error is equal to setting parameter.
Encoder phase-Z outputPhase Z is output for encoder signals (or external scale signals during full closing control).
coder Dividing Numerator parameter.
This is the line-driver output (equivalent to R422). The maximum output frequency is 4 Mbps.
Phase Z is output for encoder signals (or external scale signals during full closing control). This
is the line-driver output (equivalent to R422).
Open-collector output.
tions by parameters settings.
Encoder connector (CN2) - (for all servo drives)
Pin No.Signal NameFunction
1E5VEncoder power supply + 5 V
2E0VEncoder power supply ground
3BAT+Battery + (used only with absolute encoder)
4BAT–Battery – (used only with absolute encoder)
5PS+Encoder serial signal input (+phase)
6PS–Encoder serial signal input (-phase)
ShellFGShield ground
External encoder connector (CN4) - (for all servo drives)
Pin No.Signal NameFunction
1E5VExternal scale power supply output. Use at 5.2V +/-5% and at or below 250 mA.
2E0VThis is connected to the control circuit ground connected to connector CN1.
3PSExternal scale signal I/O (serial signal).
4/PS
5EXAExternal scale signal input (Phase A, B, and Z signals). Perfoms the input and output of phase A, B and Z signals.
6/EXA
7EXB
8/EXB
9EXZ
10/EXZ
ShellFGShield ground
Monitor connector (CN5) - (for all servo drives)
Pin No.Signal NameFunction
1AM1Analog monitor output 1. Outputs the analog signal for the monitor. Use the parameters setting to select the output
2AM2Analog monitor output 2. Outputs the analog signal for the monitor. Use the parameters setting to select the output
3GNDGround for analog monitors 1,2.
4-Terminals not used. Do not connect.
56-
to monitor.
Default setting: Motor rotation speed 1 V/(1000 r/min).
to monitor.
Default setting: Motor rotation speed 1 V/(1000 r/min).
8AC servo systems
USB connector (CN7) - (all servo drives)
Pin No.Signal NameFunction
1VBUSUSB signal terminal for computer comunication.
2D3D+Ground for analog monitors 1,2.
4-Not used. Do not connect.
5GNDSignal ground.
Safety connector (CN8) - (all servo drives)
Pin No.Signal NameFunction
1-Not used. Do not connect.
23SF1-Safety input 1 & 2. This input turns OFF the power trransistor drive signals in the servo drive to cut off the current
4SF1+
output to the motor.
5SF26SF2+
7EDM-A monitor signal is output to detect a safety function failure.
8EDM+
ShellFGFrame ground.
*1 For servo drives from 750 W, B2 and B3 are short-circuited. If the internal regenerative resistor is insufficient, remove the wire between B2 and B3 and connect an
external regenerative resistor between B1 and B2.
*2 For use only with an absolute encoder. If a backup battery is connected to CN1 I/O connector, an encoder cable with a battery is not required.
*3 Wiring diagram example using the G9SX safety unit. If a safety unit is not used, keep the factory safety bypass connector installed in the CN8.
G9SX safety unit *3
S14A2S24 S34 S44 S54
L1 X1 X2
Note: The input function of pins 5 and 7 to 13, and output function of pins 1, 2, 25 and 26, can be changed via parameter settings.
12AC servo systems
Connect shield to
connector shell
SF1+
SF1-
SF2+
SF2-
16
FG
4kW
4
1kW
3
4kW
6
1kW
5
CN8
GND
Frame ground
10
EDM+
8
EDM output: Monitor signal to detect asafety function failure
*1 Normally B2 and B3 are short-circuited. If the internal regenerative resistor is insufficient, remove the wire between B2 and B3 and connect an external regenerative
resistor between B1 and B2.
*2 For use only with an absolute encoder. If a backup battery is connected to CN1 I/O connector, an encoder cable with a battery is not required.
*3 Wiring diagram example using the G9SX safety unit. If a safety unit is not used, keep the factory safety bypass connector installed in the CN8.
G9SX safety unit *3
S14A2S24 S34 S44 S54
L1 X1 X2
Note: The input function of pins 5 and 7 to 13, and output function of pins 1, 2, 25 and 26, can be changed via parameter settings.
Accurax G5 servo drive13
Connect shield to
connector shell
SF1+
SF1-
SF2+
SF2-
16
FG
4kW
4
1kW
3
4kW
6
1kW
5
CN8
GND
Frame ground
10
EDM+
8
EDM output: Monitor signal to detect a safety function failure
Line-driver output corresponding
with the EIA RS-422A communications
method (load resistance 120 W min.)
Sensor ON
Backup battery
(3.6 V)
Speed/Torque command or Speed limit
(±10 V/rated speed or torque)
Forward torque limit/Torque command
(±12 V/rated speed or torque)
Reverse torque limit
(±12 V/rated speed or torque)
EDM output: monitor signal to detect a safety
function failure
(Maximum service voltage: 30 VDC or less
Maximum output current: 50 mADC)
External power supply 12 to 24 VDC
Maximum
service voltage: 30 VDC
Maximum
output current: 50 mADC
*2
*4
*4
*4
*1 For servo drives from 750 W, B2 and B3 are short-circuited. If the internal regenerative resistor is insufficient, remove the wire between B2 and B3 and connect an
external regenerative resistor between B1 and B2.
*2 For use only with an absolute encoder. If a backup battery is connected to CN1 I/O connector, an encoder cable with a battery is not required.
*3 Only available in Position control mode.
*4 The input function depends on control mode used (Position, speed or torque control).
*5 Wiring diagram example using the G9SX safety unit. If a safety unit is not used, keep the factory safety bypass connector installed in the CN8.
Note: The input function of pins 8,9 and 26 to 33, and output function of pins 10, 11, 34, 35, 38 and 39, can be changed via parameter settings.
Line-driver output corresponding
with the EIA RS-422A communications
method (load resistance 120 W min.)
Sensor ON
Backup battery
(3.6 V)
Speed/Torque command or Speed limit
(±10 V/rated speed or torque)
Forward torque limit/Torque command
(±12 V/rated speed or torque)
Reverse torque limit
(±12 V/rated speed or torque)
EDM output: monitor signal to detect asafety
function failure
(Maximum service voltage: 30 VDC or less
Maximum output current: 50 mADC)
External power supply 12 to 24 VDC
Maximum
service voltage: 30 VDC
Maximum
output current: 50 mADC
*2
*4
*4
*4
*1 Normally B2 and B3 are short-circuited. If the internal regenerative resistor is insufficient, remove the wire between B2 and B3 and connect an external regenerative
resistor between B1 and B2.
*2 For use only with an absolute encoder. If a backup battery is connected to CN1 I/O connector, an encoder cable with a battery is not required.
*3 Only available in Position control mode.
*4 The input function depends on control mode used (Position, speed or torque control).
*5 Wiring diagram example using the G9SX safety unit. If a safety unit is not used, keep the factory safety bypass connector installed in the CN8.
Note: The input function of pins 8,9 and 26 to 33, and output function of pins 10, 11, 34, 35, 38 and 39, can be changed via parameter settings.
Accurax G5 servo drive15
Ordering information
CN6
CN1
Accurax G5 series MECHATROLINK-II
Servo Drive
Cables
B
C
E
F
Personal computer :
Software CX-One
Terminal block
for Ser vo drive I/O signals
Unit
Servo drive I/O signals connector
G
H
MECHATROLINK-II cables
I
MECHATROLINK-II
Motion controllers
J
Filter
D
Analog monitor cable
CN5
CN7
USB mini connector cable
K
External
regenerative
resistor
CN2
CN4
CN8
CJ
2CJ
2
CJ
CJ
A
A
A
Servo Motor
3000 rpm (50 W-5 kW)
Servo Motor
2000 rpm (400 W-5 kW)
Servo Motor
1000 rpm (900 W-3 kW)
6
6
L
R88D-KN -ML2
Accurax G5 series MECHATROLINK-II Reference configuration
Note: The symbols ABCDE... show the recommended sequence to select the components in Accurax G5 servo system
Servo motors, power & encoder cables
Note: ABRefer to the Accurax G5 servo motor chapter for servomotor, motor cables or connectors selection
Servo drives
SymbolSpecificationsServo drive model A Compatible G5 series rotary servo motors
R88D-KN04H-ML2R88A-FIK104-RE4.1 A3.5 mA
R88D-KN08H-ML2R88A-FIK107-RE6.6 A3.5 mA
R88D-KN10H-ML2, R88D-KN15H-ML2R88A-FIK114-RE14.2 A3.5 mA
R88D-KN06F-ML2, R88D-KN10F-ML2, R88D-KN15F-ML2 R88A-FIK304-RE4 A0.3 mA / 32 mA
R88D-KN20F-ML2R88A-FIK306-RE6 A0.3 mA / 32 mA
R88D-KN30F-ML2, R88D-KN50F-ML2R88A-FIK312-RE12.1 A0.3 mA / 32 mA
1. Momentary peak leakage current for the filter at switch-on/off.
R88D-KT04HR88A-FIK104-RE4.1 A3.5 mA
R88D-KT08HR88A-FIK107-RE6.6 A3.5 mA
R88D-KT10H, R88D-KT15HR88A-FIK114-RE14.2 A3.5 mA
R88D-KT06F, R88D-KT10F, R88D-KT15FR88A-FIK304-RE4 A0.3 mA / 32 mA
R88D-KT20FR88A-FIK306-RE6 A0.3 mA / 32 mA
R88D-KT30F, R88D-KT50FR88A-FIK312-RE12.1 A0.3 mA / 32 mA
1. Momentary peak leakage current for the filter at switch-on/off.