Lapond HC800 Setup

Aftermarket Controllers (Advanced Users Only)
1

For those interested, I purchased a LAPOND VFD 10HP 7.5KW 220V 32A from Amazon and am really pleased with both the construction and performance. I wanted something with a bit more capacity that could handle more than the 220V 2.2KW 80mm Spindle Motor I also got recently as I may want to upgrade in the future and the price was certainly. right. The unit is well made and has appropriate sized terminal screws than the cheap HY VFDs.

Had a little hiccup on getting the minimum frequency working but the response from the manufacturer (Sonya) was able to find the right setting. The technical support leaves a bit to be desired since it is via email but response was usually less than 24 hours.

One nice feature is the ability to use the MFK key to switch between the panel and the Modbus. I have not yet setup for Modbus but plan to do so soon.

So here are the settings and links to docs on my server.

Lapond HC800 Manual
Lapond Guide
Lapond Modbus
Lapond Switch

STANDARD FUNCTIONS
P0.01 = 2
V/F Control

P0.02 = 0
Command source is onboard panel

P0.03 = 4
Main freq source is potentiometer

P0.10 = 400
Max frequency (must be set first!)

P0.08 = 400
Preset freq

P0.11 = 0
Freq upper limit source set by P0.12

P0.12 = 400
Freq upper limit

P0.14 = 0
Freq lower limit

P0.15 = 10
Carrier freq 10Khz

P0.17 = 6
Acceleration time 6 seconds (default is 20)

P0.18 = 1
Deceleration time 1 seconds

INPUT TERMINALS
P4-23 = 0
Change setting from -10.00 to 0.0 by using up key

MOTOR 1 PARAMETERS
P1.00 = 1
Variable freq async motor

P1.01 = 2.2
Rated power 2.2kw

P1.02 = 220
Rated voltage

P1.03 = 8.5
Rated current

P1.04 = 400
Rated freq

P1.05 = 24000
Rated RPM

P1.37 = 2
Async motor complete tuning, displays ā€˜tuneā€™

Press RUN

After success, press run and test with knob

OPERATION PANEL
P7.01 = 1
MFK key switches between panel and remote

P7.03 = 401F
Sets display to include RPM

P7.06 = .6
Speed display coefficient

COMMUNICATION PARAMETERS
PD.00 = 5005
Select ModBUS 9600 BPS

PD.01 = 0
Set 8 bit, no parity, 2 stop bits

PD.02 = 1
Set ID

2 Likes
2

Absolutely. great info and seems you are the first willing to share information about this VFD. I also have bought the same VFD from Amazon and currently in the process of building the controller for it. I wonder if you installed an RCD or RCCB as described in the manual. I live in the US which utilizes a split phase 220v power system and I canā€™t figure out how to wire in an RCB or RCCB since there is no neutral line. I wonder if you can share your diagram if you are also using split phase power system. Thanks

3

Dave, I purchased one of these drives to put on my lathe and looking at the manual, it seems to be a lack of information that I need to set the parameters for the drive. Would you be open to help me go thru the setup?

4

Sure, give me a call at 936 - 442 - 0811

5

Hello. Iā€™m new to the Forum and have a question about this VFD.

Iā€™m using it to run a 230v, 3 phase Powermatic table saw. I was able to easily connect it directly to the motor and have used the saw with great success. However, I had to bypass the OE on/off switch. I would like to use those but Iā€™m having trouble wiring it. Iā€™ve enlisted the help of my neighbor who is an electrician familiar with controls. We have both come to a stopping point because we havenā€™t been able to sort out the 3 wire mode. The book doesnā€™t give the information, or we havenā€™t been able to decipher it.

The P4-11 function code seems to be what we are looking for, but we are unsure of the proper control circuit terminals.

can you shed any light on this? or is there a better wat to do it?

I would upload some pictures but as a new user I cant. But i put a link to a google drive album below.

[7 new items added to shared album] for questions

thanks for your time and thoughts.

Gabriel

6

Hey Gabriel,

Iā€™m not sure if I understand what you intend to do.

The connection of the output of a VFD which drives a three-phase induction motor has never to have a switch of any kind between VFD and motor. Stopping and starting motor MUST exclusively be done by the CW RUN/CCW RUN/STOP commands in the VFD. These commands however can be set to different sources, usually the front keypad, or switches wired to programmable input terminals of the VFD, or via Modbus commands received over the serial communication port. The setting for this is usually called ā€œSource of RUN commandā€ (you donā€™t show the manual page that contains it in your photos, but according to original post it is P0.02). There is also a ā€œSource of SPEED (or FREQUENCY) commandā€ if you want to control the motorā€™s speed with an external potentiometer knob.

If you want to stop and start the motor by an external switch that you attach to DI1 and signal common (a SPST microswitch would be enough), you would program P04-00 (DI1) to ā€œFWD RUNā€. But you would first have to set ā€œSource of RUN commandā€ to ā€œinput terminalā€. The latter is the setting that would activate RUN/STOP control over DI1 (instead of Front Keypad).

You can however use a magnetic contactor on the input of the VFD, which means between power source and VFD. It will then prevent that after a power outage the VFD is powered on when the current comes back. But donā€™t interrupt the power while the motor runs. It MUST first be stopped by deactivating the RUN command in the VFD, by using one of the three methods mentioned above.

Welcome to the forum!

7

Hey Gabriel,

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Welcome to the forum!

8

Hello Aiph5u
thanks for your reply. very helpful. Iā€™m on the same page about using the input terminals to start and stop. I will not disrupt the power - to or from - the VFD.

The P0-02 code is what I was looking for! thank you. we just missed it in the book I guess.

So we will not use the 3 wire mode. (I dont know what that is exactly, my neighbor does)

What Iā€™m trying to do is use the parts on hand - the factory on off switch in particular - to start and stop the saw. What you are describing with DI1 is what Iā€™m hoping for. But if itā€™s better to just buy a new switch, I can do that.

I added a few photos to that gallery. One shows the page in the manual with the source selection. The other three show the actual switch(s) on the board on the machine. Those would be SPST microswitches yes? Two of which handle the safety key lockout and one handles the on switch.
Iā€™ve also pictured a transformer in the machine that is NOT pictured on the wiring diagram. not sure why it isnā€™t. I think that is to send low voltage through the microswitches to trip the big magnetic switch as well as illuminate the LED on the button?? will the COM serve this purpose when I bypass all the machine components? (I guess I bypass the magnetic switch, the overload relay and the transformer)

If I use the wires coming off the board that the machine switch, I connect the COM to the white wire, and the DI1 to the red wire? Is that right? the yellow wouldnā€™t be needed.

9

Hey Gabriel,

it is important to understand that if you use a VFD, the only method to switch the motor on is to let the VFD do this. You donā€™t need any other switch than a SPST and since it is only a signal terminal DI1 to which you connect it to, it can by a switch with very low current rating, a 24 V / 100 mA switch will be more than suitable.

The magnetic contactor can be used at the input of the VFD as a safety measure but you would not run/stop the saw with it! Also I assume you have a 1-phase power supply from mains so a three-phase magnetic contactor is not necessary.

Sorry, I didnā€™t mean microswitch, what I meant is a miniature toggle switch. Thatā€™s what we call microswitch in my country. But if the switch that drives the switch of the board with the three microswitches you could use it at DI1.

So

  1. you connect the three motor wires directly to the three-phase output of the VFD, and

  2. at input terminal DI1 and COM, you connect a SPST toggle or rocker or rotational switch, or your sawā€™s power on switch that you show that drove the magnetic contactor before.

  3. You program P0.02 to ā€œ1ā€ (ā€œterminal controlā€)

  4. you connect the mains power to the input of the VFD.

Then if you switch the switch at DI1 on, the saw motor will run (Take care to have set the correct frequency for the correct rated motor speed).

Regarding the microswitches for the safety keylock, since a switch between a VFD and the motor is prohibitive, I would wire them in series with the switch on DI1 so that both, the switch and the keylock have to be enabled in order to enable the motor being started by the VFD through DI1.

The transformer is probably a low voltage used to drive the magnetic contactor.

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10

Very good.
I am going to give it a try. Ill update here and let you know if it worked out.

the frequency is set to 60, Iā€™m not going to install the magnetic contactor at all, 230v single phase running into the VFD, 230v three phase from VFD to motor.

connecting the SPST to the COM and the DI1 (it doesnā€™t matter which to which correct? the wires can be reversed and it wouldnā€™t make a difference?)

Thanks again for your help. much appreciated.

1 Like
11

Hey Gabriel,

as long as they are not connected to anything else, yes

12

Well, it worked and it didnā€™t work.

I successfully sent the commands through COM and DI1 with the SPST on the OEM circuit board. I was able to start and stop the saw perfectly.

However, they are momentary switches, so as soon as i take my finger off the button the saw stops. I guess the original buttons just sent the signal to the magnetic switch once to close the contact and then again to open it? the physical buttons pushing the SPSTs dont latch.

I think Iā€™ll buy a new switch.

But now I know how to make it go!

thank you, thank you.

G

13

Hey Gabriel,

yes, the ones youā€™ve shown are momentary switches. You showed the board with the switches but not what kind of actuator operates them. I assumed it would be a kind of lever that makes them be closed permanently. If this is not the case, you need a toggle, rocker, or rotary switch instead.

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