VFD
Setting up a password lock on the LCD keypad
The iS7, H100, and S100 using the LCD keypad has three different levels for parameter lock. See below guide on how to setup. Before setting a new password CNF 51, or CNF 52 must first be set to 0000. This is the default password. If the password is ...
H100 / SP100 Easy Start process Application Macro Define
While user performing the initial Quick Start process for a new LS Electric H100 or SP100 AC Drive. Unless requirement for special Pump or Fan application, please keep Application Macro defined to BASIC. If this Macro is changed to any other ...
What LS VFDs have DIN rail mount capability?
All M100's have DIN rail mounting provisions as standard. Additionally, the G100 supports DIN rail mounting up to 5HP.
Auto-tuning is locked out in DriveView
This is normal. BAS20 is locked out as a safety precaution. Alternatively, use the keypad to start an auto-tube at bA/BAS20.
I need to run my PID faster than 60 Hz
For applications that require more pressure out of a pump or more flow out of a fan we can overspeed the motor slightly above the 60Hz base frequency. It should be noted that torque drops off at a rate 1/f when running above base frequency. ...
Cannot set PID reference on the main H100 display.
The H100 VFD allows you to customize the main monitor display for easy monitoring. For example, setting CNF22=18 PID Reference , would "pin" the PID set-point to the main screen. We can also adjust the set-point here as well. It is important to note ...
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.
How does the S100 connect to DriveView?
The S100 has a few options for connecting to DriveView 9 software. Option 1: The most direct and easiest way is to use the below USB to Serial Cable. The RJ-45 connector plugs into the S100 keypad port. When connecting over DriveView, this ...
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
What is the Mean Time to Failure (MTTF) for my VFD?
The mean time to failure (MTTF) varies slightly depending on the series. See the below list and attached supporting documentation. M100 - 28 years G100 - 27 years C100 - 23.6 years S100 - 22 years H100 - 22.7 years (9 years for 110kW~500kW) iS7 - ...
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.
How does the M100 and G100 connect to DriveView?
The M100 and G100 have a couple options for connecting to DriveView 9 software. When using either of the below cables your baud rate in Driveview 9 should match the baud rate on the VFD set at CM.03 Be sure to set the connection type to "Modbus-RTU" ...
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. Note that the date code format changes based on the below manufacturing dates. Up until March 21, 2012 From March 22, 2012 to ...
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.
How do I setup phase loss on a VFD?
All LS VFDs can be setup to detect an input and output phase loss. This is necessary to help protect the motor and VFD if there is a loose wire, cleared fuse, or other issue. Parameter Pr/PRT05 enables this protection. Parameter Pr/PRT06 can be ...
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 ...
How do I reset my VFD to factory default?
Resetting, initializing, or factory defaulting a VFD puts all of the parameters back to the default settings. This can be used when you want to start the programming from scratch. This is done with one parameter. See the below procedure. Procedure ...
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 ...
Is there any offset for communications addresses on LS drives?
Depending on the connected PLC, there may be an offset on a Modbus RTU network. This would cause communication addresses to be offset by one (decremented). Alternatively, you may find that Modbus TCP/IP has no offset. See attachment for Modbus RTU ...
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