Fitting Yaskawa Inverter

How to fit a Yaskawa Inverter as a replacement in the field

Yaskawa, Inverter, TB0417 Fitting_Yaskawa_Inverter_GA700-topright.jpg

What is the Yaskawa inverter?

• Like the Delta inverter, it has an internal PLC. We have worked alongside Goodwin Electronics to write a PLC program specifically for the Stuga machines.
• Unlike the Delta inverters, when we receive an inverter from Goodwin Electronics, it will already be pre-programmed and ready to run on any machine.
• This inverter can replace the Jaguar and the Delta inverters. It has STO functionality which will be used on new builds and an also be retrospectively wired into machines in the field if needed.
• This inverter has shown to provide more protection in fault scenarios than the Delta inverter. One of the worries of the Delta was how it handled issues on the incoming supply. The Yaskawa inverter has shown resilience to shorts, missing phases, phases to earth and other issues on both incoming and outgoing supplies.
• The Yaskawa inverter adds extra functionality as well. We can now monitor the zero speed of the spindles. This means we can more accurately time when we switch spindle relays on and off. This will hopefully cause less arcing in spindle boxes and premature failure of spindle cards/relays.

...PLEASE NOTE: BEFORE DISCONNECTING AND RECONNECTING INVERTERS, ENSURE MACHINE IS POWERED DOWN!

Mechanical Fitting Notes

Fitting the Yaskawa inverter in place of a Delta inverter

The Yaskawa has a very similar outer body size to the Delta inverter. This means that it will fit into the same space that the Delta did. However, the hole centres are different. New holes will need to be drilled when first fitting a Yaskawa.

Fitting the Yaskawa inverter in place of a Jaguar inverter

The Yaskawa is much taller than the Jaguar inverter. This may mean that the Yaskawa will not fit in the same space that the Jaguar did. We had the same problem when replacing Jaguar with Delta. There has been occasions in some of the older style ZX cabinets where the plastic trunking had to be re-routed to allow the room for the new inverter to fit.

Wiring the Yaskawa Inverter

This is a general diagram for cabling into the different machine types - more details for each machine will follow

When the inverter is fitted, the screen needs to be removed via the clip on the top. If you do not do this, the connector that is behind the screen can be bent out of place and the screen will not reconnect. The main cover that is at the front of the inverter needs to be removed with the screw at the bottom right. You then have to pinch either side of the inverter and lift the cover up.

You can then start wiring in cables from the original inverter setup as per table in the electrical drawing.

There will be some wiring that needs to be added. The table show all extra wiring that is needed for the inverter. The extra wiring will need to splice off existing cables in the electrical cabinet. The Yaskawa inverter needs more IO than the Jaguar. If there is a Delta fitted, you will find that most of the IO will already be in.

Software Upgrades

Extra Functionality

The Yaskawa inverter has also been programmed to monitor the temperature of the dump resistor. If the machine has a dump resistor with a thermal overload on it, this needs to be wired into the inverter. The alarm for this input is only in fault state when the input is high. This means if you do not have a thermal overload, leave the input terminal empty.

The Yaskawa inverter also has an output to say the spindle is at zero speed. This will need to be wired back into the main machine PLC or IO slices. This will then need a software update from Stuga.

TwinCAT3 Notes

·        Timing issues on switching the double plunge configuration means that another IO channel is needed – OuB_InvDP (Y271). This output used to directly control the inverter, not the Y376, Y377, Y58, Y62

·        Version 6.2514 or later needed

·        Mapping required for Y271

Software Version Requirements

Control System	Front End Version	Back End Version
Nextmove Mint	5.4.4.0 (29/06/16)	3.9997 (Feb 17)
TwinCAT2	5.4.4.0 (29/06/16)	See GG
TwinCAT3	Any	6.2514 (24/10/18)

Machine Applications

Autoflow TwinCAT 2 Notes

Inverter

·        Increase C1-01 accel time on 50Hz to 0.3

·        Increase C1-05 accel time on 300Hz to 0.3

·        Wire S1 to Module B Output Slice channel 1 (Y63)

·        Wire S2 to Module B Output Slice channel 2 (Y63)

·        Wire S3 and S4 to Module B Output Slice Channel 3 and 4 (Y376)

·        59a to 0v

·        24v link across 3 other inputs

·        Inverter fault direct output (bypass the useless link through the overload relay)

·        Inverter reset wire to output slice

·        Inverter at zero wire to input slice channel 7 (X308)

·        Resistor fault not working correctly, leave disconnected STO??! Inverter powers off on estop, works ok, leave links in HC, H1,H2

Back end

·        Double link the double plunge outputs (Y271) 0> Channel 3 and 4

·        Link inverter reset (X308) -> Channel 7

·        Link inverter zero

·        Latest software version

Front end

·        Ensure inverter alarm is correct sense

·        Parameter Invert300hz=1

·        Check inverter display changes to 300hz / 50 HS when spindles are selected

Flowline Mk3 Refurb TwinCAT3

·        The phase monitoring device is not needed any more, but it is inactive, so can be left in place.

·        Remove the cable 127 connecting SIG to the Delta inverter

·        3 new wires required, Y63 (Inv_300), Y271(Inv_Dp) and X308 (Inv_Zero)

·        Y63, Y271 and X308 will need mapping in TwinCAT3 and adding to IO Ref

·        Parameter Invert300Hz needs to be true

·        Latest Software needs to be added to sort timings and use of Y63, Y271 and X308

Function	Wire Number / Colour	Yaskawa Terminal
Mains In L1, L2, L3	26, 27,28	L1, L2, L3
Motor Out U, V, W	126, 127, 128	T1, T2, T3
Input: Select 50Hz #1	Y63 Wire to MC4 Ou7	S1
Input: Select 50Hz #2	Link to S1	S2
Input: Double Plunge #1	Y271 Wire To MC4 Ou8	S3
Input: Double Plunge #2	Link to S3	S4
Input: Motor Run	Y358	S5
Input: Inverter Reset	Y374	S6
Input: Resistor Thermal Ovl	n/c	S7
Input: Motor 2 Safety	Link to M4	S8
Inverter OK 24v	24v (Yellow)	MC
Inverter OK Output	X342	MB
Output 24v Supply	24v (Yellow)	M1, M3
Output: Spindle At Zero	New Wire X308 To io slice MC5 Input channel 8	M2
Output: Motor 2 Safety	Link to S8	M4
STO Override	Link	H1, H2, HC
External 0v	0v (White)	SC
Braking Resistor	1,2	B1, B2

IODef.mul additions

Inv_Zero,308,1,0,0,0,0,1,12,0
Inv_DP  ,271,2,0,0,0,0,1,10,0
Inv_300 ,63,2,0,0,0,0,1,11,0

ZX4 Mk5/6 (Beckhoff) Retrofitting in place of Delta

Electrical Highlights:

·        Ensure 24v connected to M1 and M3

·        Y271(OuB_InvDp) uses the existing cabling in S4, currently labelled Y377

o   A link will need to be added up to S3, where there currently is a cable labelled Y376

·        Using Y376 cable, remove the labelling and label as X308 (InA_InvZero)

o   The other end of this currently goes to the beckhoff slice MC3B pin 15 (OU1). This now needs to be moved to pin 4 (IN4), and relabelled.

·        A link wire between M4 and S8 needs to be added

·        Remove Wire 60B (From Aux contact on F5 to RC1 on Delta Inverter). Not needed because Inverter OK signal does not need to be in series with F5 overload

·        Remove wire 61B from Phase monitor to Delta MI6. Not needed because Yaskawa does phase monitoring internally

·        2 additional 24v control relays needed for interfacing TwinSafe to the STO inputs as per diagram

Function	Wire Number / Colour	Yaskawa Terminal
Mains In L1, L2, L3	21B, 22B, 23B	L1, L2, L3
Motor Out U, V, W	70B, 71B, 72B	T1, T2, T3
Input: Select 50Hz #1	n/c	S1
Input: Select 50Hz #2	n/c	S2
Input: Double Plunge #1	Y271 -Wire To MC4 Ou8	S3
Input: Double Plunge #2	Link to S3	S4
Input: Motor Run	Y358	S5
Input: Inverter Reset	Y374	S6
Input: Resistor Thermal Ovl	n/c	S7
Input: Motor 2 Safety	Link to M4	S8
Inverter OK 24v	24v (Yellow)	MC
Inverter OK Output	X342	MB
Output 24v Supply	24v (Yellow)	M1, M3
Output: Spindle At Zero	New Wire X308 -To io slice MC3B IN4	M2
Output: Motor 2 Safety	Link to S8	M4
STO Override	Add 2 relays as per diagram. Relay control via Beckhoff safety slices	H1, H2, HC
External 0v	0v (White)	SC
Braking Resistor	1,2	B1, B2

IODef.mul additions

Inv_Zero,308,1,0,0,0,0,19,5,0
Inv_DP  ,271,2,0,0,0,0,19,6,0

ZX5 Retrofitting in place of Delta

Electrical Highlights:

·        Ensure 24v connected to M1 and M3

·        Y271(OuB_InvDp) uses the existing cabling in S4, currently labelled Y377

o    A link will need to be added up to S3, where there currently is a cable labelled Y376

·        Using Y376 cable, remove the labelling and label as X308 (InA_InvZero)

o    The other end of this currently goes to the beckhoff slice MC2B pin 15 (OU7). This now needs to be moved to pin 4 (IN4), and relabelled.

·        A link wire between M4 and S8 needs to be added

·        2 additional 24v control relays needed for interfacing TwinSafe to the STO inputs as per diagram

Function	Wire Number / Colour	Yaskawa Terminal
Mains In L1, L2, L3	21B, 22B, 23B	L1, L2, L3
Motor Out U, V, W	70B, 71B, 72B	T1, T2, T3
Input: Select 50Hz #1	n/c	S1
Input: Select 50Hz #2	n/c	S2
Input: Double Plunge #1	Y271 -Wire To MC2B Ou8	S3
Input: Double Plunge #2	Link to S3	S4
Input: Motor Run	Y358	S5
Input: Inverter Reset	Y374	S6
Input: Resistor Thermal Ovl	n/c	S7
Input: Motor 2 Safety	Link to M4	S8
Inverter OK 24v	24v (Yellow)	MC
Inverter OK Output	X342	MB
Output 24v Supply	24v (Yellow)	M1, M3
Output: Spindle At Zero	New Wire X308 -To io slice MC2B IN4	M2
Output: Motor 2 Safety	Link to S8	M4
STO Override	Add 2 relays as per diagram. Relay control via Beckhoff safety slices	H1, H2, HC
External 0v	0v (White)	SC
Braking Resistor	1,2	B1, B2

IODef.mul additions

Inv_Zero,308,1,0,0,0,0,19,3,0
Inv_DP  ,271,2,0,0,0,0,19,4,0

Flowline Mk3 Refurb Notes (Nextmove E100)

Electrical Highlights:

• To create space for the new inverter, remove the contactor and timer for delaying the drive switching (If they exist) – these are normally located under the old inverter. This switching was only necessary when a DOS PC was used, the contactor can be bypassed.
• The supply to the new inverter needs to be wired directly rather than via the estop contactor. The new drive has “STO” (Safe Torque Off) inputs that are wired through two 24v dc relays (supplied). This means when ESTOP is pressed, the drive does not power off, it goes into safe torque off mode. This is a much more reliable system than “crash” shutting off the inverter on estop.
• The phase monitoring device (if fitted) is not needed any more, but it is inactive, so can be left in place.
• The 50Hz relays for RY1 and RY4 should be removed and the wires RY1, RY4 wired directly to the inverter inputs S1 and S2. This removes the relays as a potential point of failure.
• Ensure 24v connected to MC, M1 and M3
• New cable for Y271(OuB_InvDp) from S3 and S4 (link), connect to Output channel 8 on 1^st IO slice. Note: the SPDP wire (Y99) may be numbered Y58 and in the output channel 8. For consistency, make:
• Ou7 - SPDP – Y99
• Ou8 – Inv_DP – Y271
• New Cable X308 (InA_InvZero) from M2, connect to Input channel 7 on 4^th IO slice.
• A link wire between M4 and S8 needs to be added
• 2 additional 24v control relays needed for interfacing Estop to the STO inputs as per diagram
• The Inverter OK signal (X27) should be wired directly from the inverter to the input slice – it is probably wired via the inverter overload relay auxiliary contact – this is now redundant and will cause confusion
• Remove the link SP to SC. This is for grounding an internal PSU that is not used
• Remove X99 wire, this was a feedback check to ensure the 50Hz relays had switched, no not required

Function	Wire Number / Colour	Yaskawa Terminal
Mains In L1, L2, L3	26, 27, 28	L1, L2, L3
Motor Out U, V, W	26B, 27B, 28B	T1, T2, T3
Input: Select 50Hz #1	RY1	S1
Input: Select 50Hz #2	RY4	S2
Input: Double Plunge #1	Y271 -Wire To Output channel 8 on 1st IO slice	S3
Input: Double Plunge #2	Link to S3	S4
Input: Motor Run	Y9	S5
Input: Inverter Reset	Y6	S6
Input: Resistor Thermal Ovl	n/c	S7
Input: Motor 2 Safety	Link to M4	S8
Inverter OK 24v	24v (Yellow)	MC
Inverter OK Output	X27	MB
Output 24v Supply	24v (Yellow)	M1, M3
Output: Spindle At Zero	New Wire X308 - connect to Input channel 7 on 4th IO slice.	M2
Output: Motor 2 Safety	Link to S8	M4
STO Override	Add 2 relays as per diagram.	H1, H2, HC
External 0v	0v (White)	SC
Braking Resistor	1,2	B1, B2

IODef.mul additions

INVDP   ,616,2,8,7,0,0,1,7,1
InZRO   ,608,1,8,14,0,0,2,11,1

Ensure SPDP is:    
SPDP   ,569,2,8,6,0,0,1,6,V

Delete any reference to IS300 input

Alarms.mul

Ensure the alarms are set for each individual spindle:

41,MOVL,False,SPIN1,True,0,4,Spindle 1 Alarm,True,False
42,MOVL,False,SPIN2,True,0,4,Spindle 2 Alarm,True,False
43,MOVL,False,SPIN3,True,0,4,Spindle 3 Alarm,True,False
44,MOVL,False,SPIN4,True,0,4,Spindle 4 Alarm,True,False
45,MOVL,False,SPIN5,True,0,4,Spindle 5 Alarm,True,False
46,MOVL,False,SPIN6,True,0,4,Spindle 6 Alarm,True,False

The MOVL should be High when the inverter is OK.

Remove any alarms relating to IS300 input

Front end

• Ensure inverter alarm is correct sense
• Parameter Invert300hz=1
• Parameter InverterOKHigh=1
• Parameter psInvDecel300Hz=400
• Check inverter display changes to 300hz / 50 HS when spindles are selected

Other software

Download and install Yaskawa DriveWizard

Ensure the Yaskawa USB is connected to the PC

Find the COM port it is connected to (use Device Manager Ports) – this is usually COM3. If there are other connections on the same COM port, right click and uninstall them (EDG). This will need a reboot after uninstalling

Using DriveWizard, or via the physical keypad on the device, change the following parameters

No	Description	New Value
C1-01	50Hz Accel Time	0.5
C1-02	50Hz Decel Time	0.5
C1-05	300Hz Accel Time	0.4
C1-06	300Hz Decel Time	0.4

ZX3/Microline Replace VXR Notes (Nextmove E100)

Electrical Highlights:

• The inverter will need to be located on the side of the cabinet, as the Yaskawa is taller than the VXR
• The supply to the new inverter needs to be wired directly rather than via the estop contactor. The new drive has “STO” (Safe Torque Off) inputs that are wired through two 24v dc relays (supplied). This means when ESTOP is pressed, the drive does not power off, it goes into safe torque off mode. This is a much more reliable system than “crash” shutting off the inverter on estop.
• The phase monitoring device (if fitted) is not needed any more, but it is inactive, so can be left in place.
• Ensure 24v connected to MC, M1 and M3
• The Zx3 and Microline have a set of switchover contactors to select 50Hz (Mains) or 300Hz (Inverter). Therefore, the inverter does not need to do the 50 / 300Hz switching as on later machine models.

• New cable for Y271 (InvDp) from S3 and S4 (link), connect Output channel 5 on 2nd Output slice (labelled 5)

• New Cable X308 (InA_InvZero) from M2, connect to input channel 8 on 1st IO slice (labelled 8)..
• A link wire between M4 and S8 needs to be added
• 2 additional 24v control relays needed for interfacing Estop to the STO inputs as per diagram

• The Inverter OK signal (X48) should be wired directly from the inverter to the input slice – it is probably wired via the inverter overload relay auxiliary contact – this is now redundant and will cause confusion
• Remove the link SP to SC. This is for grounding an internal PSU that is not used
•  Inverter Reset function is done with Y34 SRST. The VXR inverter was powered off on estop, so did not need a reset function. Tag in to a Y34 cable on any servo drive (PL4 pin 2)

Function	Wire Number / Colour	Yaskawa Terminal
Mains In L1, L2, L3	60, 61, 62	L1, L2, L3
Motor Out U, V, W	53, 54, 55	T1, T2, T3
Input: Select 50Hz #1	Not connected (constant 300Hz)	S1
Input: Select 50Hz #2	Not connected (constant 300Hz)	S2
Input: Double Plunge #1	Y271 -Wire To Output channel 5 on 2nd Output slice (labelled 3)	S3
Input: Double Plunge #2	Link to S3	S4
Input: Motor Run	Y31 – extend to run directly Remove the relay R58 and wires 51, 52	S5
Input: Inverter Reset	Y34 – Splice into servo reset – loops across each of the servo drives	S6
Input: Resistor Thermal Ovl	n/c	S7
Input: Motor 2 Safety	Link to M4	S8
Inverter OK 24v	24v (Yellow)	MC
Inverter OK Output	X48 Remove wire 30A	MB
Output 24v Supply	24v (Yellow)	M1, M3
Output: Spindle At Zero	New Wire X308 - connect to Input channel 8 on 1st IO slice (labelled 8).	M2
Output: Motor 2 Safety	Link to S8	M4
STO Override	Add 2 relays as per diagram.	H1, H2, HC
External 0v	0v (White)	SC
Braking Resistor	Br+, Br-	B1, B2

IODef.mul additions

INVDP,616,2,8,12,0,0,18,1,1
InZRO,608,1,8,7,0,0,18,2,1

Edit the following iodefs to put the all the spindle control on the spindle IO screen – makes testing much easier

INVOK,542,1,8,23,0,0,18,6,0
HZ50,578,2,0,4,0,0,18,7,D
HZ300,579,2,0,5,0,0,18,8,E
SMOT,558,2,8,15,0,1,18,3,Z
RST,574,2,8,18,0,0,18,4,F

Alarms.mul

Ensure the alarms are set for each individual spindle:

41,INVOK,False,SPIN1,True,0,4,Spindle 1 Alarm,True,False
42,INVOK,False,SPIN2,True,0,4,Spindle 2 Alarm,True,False
43,INVOK,False,SPIN3,True,0,4,Spindle 3 Alarm,True,False
44,INVOK,False,SPIN4,True,0,4,Spindle 4 Alarm,True,False
45,INVOK,False,SPIN5,True,0,4,Spindle 5 Alarm,True,False
46,INVOK,False,SPIN6,True,0,4,Spindle 6 Alarm,True,False
47,INVOK,False,SPIN7,True,0,4,Spindle 7 Alarm,True,False

The INVOK should be High when the inverter is OK.

Remove any alarms relating to IS300 input

Front end

• Parameter Invert300hz=1
• Parameter InverterOKHigh=1
• Parameter psInvDecel300Hz=400
• Check inverter display is 300hz

Other software

Download and install Yaskawa DriveWizard

Ensure the Yaskawa USB is connected to the PC

Find the COM port it is connected to (use Device Manager Ports) – this is usually COM3. If there are other connections on the same COM port, right click and uninstall them (EDG). This will need a reboot after uninstalling

Using DriveWizard, or via the physical keypad on the device, change the following parameters

No	Description	New Value
C1-01	50Hz Accel Time	0.5
C1-02	50Hz Decel Time	0.5
C1-05	300Hz Accel Time	0.5
C1-06	300Hz Decel Time	0.5

Checklist

General Item Checklist before power on

Item	Tick
Inverter Replaced
Phase Detect Relay Removed
M4 to S8 Link
Inverter OK signal bypasses overload relay and configured so InvOK signal is High when OK
Inverter FWD signal wired in
Inverter 50Hz select wired in and link
Inverter Double Plunge Input and link wired in
Inverter Reset Input Wired In
Inverter At Zero Output wired back to controller
STO Relays Fitted and wired
Mains Connections and Earth Safely wired
Front End updated if required
Back End updated if required
IO Def reconfigured
Alarms Reconfigured
Yaskawa Drive Wizard installed Download here
Check Inverter accel and decel parameters
Check Inverter DC Injection parameters set to zero
Test InverterOK signal (high when OK) Ensure alarm triggers on InvOK low

Testing

For this machine type, testing a spindle should follow this process

50Hz V notch motor

1.      Select a spindle 1 or 2

2.      Set HZ50 to run

3.      Set Hz50 off

Single 300Hz Elte Motor

1.      Select a spindle 3 to 7

2.      Set HZ300

3.      Set SMOT to accellerate

4.      Ensure InZRO goes off and InvOK stays on

5.      Reset SMOT to decelerate

6.      Reset HZ300

7.      Reset Spindle

Double 300Hz Elte Motor

Same as single, but select double plunge spindles and set InvDP to tell inverter to double the output power en none 0

Draft