VFD
What is the part # for the iS7 Z-Pulse option?
The Z-Pulse card is different that the standard 2 channel encoder card. Below is the item code and description for the Z-Pulse variant. 64110036: INV,OPTION POSITION CONTROL,XW-S7M1,SV-IS7
How many option cards can I install on my VFD?
LS VFDs feature a variety of available option cards. This includes, PLC, communications, and extended IO options. The number of allowable option cards varies by the series. Please refer to the below table. VFD Series Maximum # of options M100 0 G100 ...
What LS VFDs are Plenum Rated?
The S100 and H100 VFDs are plenum rated. See below statement from the User Manual.
Autotuning is locked out on the H100
You may notice, when trying to autotune an H100, the small circle and slash next to the parameter. This means it is locked out and you cannot start an autotune. Since the H100 has an HOA keypad, you must put the VFD into AUTO mode to unlock the ...
How do I reset parameters on the SP100?
Setting the SP100 back to factory default is accomplished in the same manner as a standard H100 VFD. Set CNF40=1, to default all parameters. The H100 mounted atop an SP100 bypass package features special firmware. This firmware will default to the ...
How to size LS Electric contactors (MC) to compete with definite purpose contactors
AC1 vs AC3 AC1 Rating AC3 rating
Does LS have a VFD that can run a PM Motor?
Yes, the S100 can run a permanent magnet AC motor.
What are the weights for the H100 disconnect options?
Refer to the below table.
Does the S100-4X have Normal Duty ratings?
No, the S100-4X only has a heavy duty ratings. It is not possible to change the load duty parameter to Normal Duty.
How to view trip details on DriveView 9
You can view the trips on a VFD over DriveView 9 as long as you are connected when the trip occurs. You can also view the detailed trip information for easier troubleshooting. See the below steps.
How many PID loops does the H100 offer?
Three. There is the main PID loop used for motor control. There is also two EPID loops for controlling external devices.
How do I backup parameters to the G100 keypad?
The G100 features the capability, when using a remote keypad, to backup, store, and copy parameters to other VFDs (of the same series). Parameter Read: Set dr.91 (Param Read) to “4”. This read parameters from the drive and copies them into ...
How do I backup parameters on the M100 keypad?
The M100 features the capability, when using a remote keypad, to backup, store, and copy parameters to other VFDs (of the same series). Parameter Read: Set dr.85 (Param Read) to “1”. This read parameters from the drive and copies them into ...
How do I backup parameters to the LCD keypad?
The LCD keypads on the iS7, S100, and H100 can be used to backup, store, and copy parameters to other VFDs (of the same series). Parameter Read: Set CNF 46 (Param Read) to “Yes”. This read parameters from the drive and copies them into the keypad. ...
Do LS electric VFDs meet the new UL 61800-5-1?
The M100 and G100 series meets UL 61800-5-1 standards. Additionally, 150~800HP H100 meets UL 61800-5-1. Smaller capacity H100 VFDs are currently undergoing testing to meet the new UL.
How many milliamps is the S100's internal 24V supply?
The S100's feature a built in 24VDC supply which can be used for powering low amperage devices such as transducers or LED indicators. This supply is rated at 150mA
How do I change motor direction?
If your VFD is running forward (FWD) but the motor is running in the reverse direction for your application you must swap any two output motor leads. Example: Swap U and V wires.
How do I decode my VFD and PLC serial #?
The serial # on LS VFDs and PLCs can be used to find the date of manufacturing. See below breakdown of how to decode it. Please refer to LSE Solution Square article from now on: Serial Number Breakdown for Automation Products (VFDs, HMIs, Etc.) - ...
I need a wash-down VFD, what are my options?
The S100 is offered in a NEMA 4X (IP66) package. See attached catalog for full specifications and available capacities.
Is the LCD keypad UV rated?
The LCD keypads (listed below) for the H100's, iS7's, and S100 are not UV rated. It is recommended that you mount the keypad in a 3rd party outdoor UV rated door kit when using the keypad outdoors. Note: The LM-S7M1 IP66 remote keypad kit is not ...
Can I change how the output trip relay works on an iS7?
Yes, you can be selective as to what triggers the relay to change states. This is done at parameter OUT30. See the below options.
Factory default is not resetting my keypad.
If you are using an LCD keypad on a VFD such as the H100, S100, or iS7 you may notice a factory initialization is not resetting any customization programmed on the keypad. This is because there is another initialization parameter for the keypads ...
My VFD is not "waking-up" from sleep.
A VFD can get stuck in sleep or a sleep cycle (continuously trying to start) if the PID parameters are not setup correctly. Most commonly the acceleration time is set long that the sleep delay time. Adjust the acceleration time to be shorter than ...
How do I setup a speed limit in PID?
Speed limits can be setup in PID operation to prevent a pump or fan from running to slow or fast. Note: This will only limit speed in PID operation. For a normal operation speed limit see the relevant FAQ. M100, G100, iS7, and S100 AP.29=Upper Limit ...
What VFDs have torque control?
The S100 offers a sensorless torque control, Additionally, the iS7 can be set to run torque control when in vector mode.
Does the VFD have a built in DB resistor?
None of the LS VFDs have a built-in DB resistor. Users can always purchase a resistor to install if it is required for an application. Contact LS Electric America Technical Support for assistance.
What is the maximum allowed distance for a remote keypad?
50ft is the maximum allowed cable length from the VFD to a remote keypad. Any longer than this can result in a significant voltage drop and keypad malfunction. If a longer distance is required larger gauge cable will be required to compensate for ...
What parameters do I need to set on my LS VFD?
The necessary parameters will vary greatly depending on the application. However, LS Electric America has a series of Quick Start References (QSR) for each VFD. These list the common parameters and recommended settings for most applications. For more ...
Does LS offer any solution for winder and web applications?
Yes, depending on the complexity of the winder or web, an S100 or iS7 may be used. Contact your local sales person for more information on which may be the right choice for your application. You can also refer to the attached file for more details of ...
What are the difference between Sensorless-1 and Sensorless-2 for the iS7?
The main difference is the method which is used for the Speed Estimation. For higher torque or more precise applications, it is recommended to use Sensorless-2 Sensorless-1 estimates the motor speed with a simple equation. Sensorless-2 estimates the ...
What is a DB unit?
What is DB ? "DB" stands for dynamic braking. Applications with high inertia, regenerative loads, cyclic loads, or any application with "regen energy" may require dynamic braking. Dynamic braking uses a transistor and a resistor to absorb this ...
What are the differences between Flying Start-1 and Flying Start-2 in iS7
1. Flying Start-1 - Older method for Speed Search. - Speed search is implemented by controlling the output current at or below the speed search current(CON-72) value. - Advantage : Stable at the low speed below 10Hz if the direction is same. - ...
How do I set a high (over 60Hz) max frequency on the C100?
There are a few parameters which are required to overspeed the VFD past 60Hz. First off, you will need to change the VFD maximum speed limits. Next, you need to scale your analog input (if used). If you are using the keypad for frequency control, you ...
What are the minimum clearances for the H100 VFD?
Does LS offer a NEMA 4X rated keypad?
The remote LCD keypad is not NEMA 4X rated. Alternatively, you can order a remote keypad mount which is NEMA 4X rated. Below is a sample parts list of the parts needed. LS NEMA4X keypad mount This is an S100 IP20 VFD but has all the accessories for ...
Does the M100 have a NEMA 1 conduit kit option?
No, it does not. The M100 has an IP20/ UL Open Type rating. To meets NEMA 1 ratings the VFD would need to be put in a panel.
What size eye-bolts can I use on larger H100s?
The larger capacity (>110kW) H100 drives may require a crane or hoist to lift it into place. The H100 features two mounting options; lifting holes and eye-bolts. Please note, lifting eye-bolts are not included in the H100 package. Below is a list of ...
Setting a password on the G100 and S100 VFDs
The G100 and S100 can be locked out via password protection. Setting up a password will prevent unauthorized parameter changes. Setting the Password 1. Navigate to Dr.94 2. Press ENT key two times 3. Set desired ...
How can I make my external trip to the VFD normally closed?
By default the external trip or BX function on the digital inputs are Normally Open (N.O.). Any of the digital input can be easily inverted to be a Normally Closed (N.C.) type at In87. Moving the "DIP Switch" to the up position makes the ...
Parameters are not saving when set over DriveView9
Parameters written over DriveView9 are saves to volatile memory. Therefore, after a power loss the changed parameters will no be saved. So ensure parameters are saved be sure to use the "EEPRom Save" button (pictured below). This will save all ...
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