VFD
Modbus Mapping for the Air Circuit Breakers STU (Smart Trip Units)
See the attachment for complete smart trip units (STU) Modbus mapping details for the LS Electric Air Circuit Breakers.
Thermal Overload separate mounting units
We have Thermal Overload Relay separate mounting available, when not directly connected to a Magnetic Contactor (MC). This Mounting Units are accessories are used to mount the relays separately from contactors. If a relay is combined with a unit, it ...
MCCB Bus Strap Kit
Bus Strap Kit allow for connecting to Bus Network. There is specific kit for each MCCB listed in the TABLE below. Further down in this article are the associated Instruction Manuals. Attached is Instruction Manuals. LSE Applications Team
Understanding and Replacing Rating Plugs in ACB (Air Circuit Breakers)
What is a Rating Plug? A rating plug is an essential component in an adjustable trip molded case circuit breaker that determines the operational amperage level. It serves as a replaceable part that defines the maximum current the circuit breaker can ...
Machinery Selection Table for Type II Coordination (MC and or MMS)
When a breaker and a MC (Magnetic Contactor) or an MMS and a MC are combined and used, the breaker breaks "opens" to protect line if there is any fault but part of short circuit current will be transmitted to lower contactor and overload relay too. ...
NEMA Ratings for ACBs with Door Frames and Dust Covers
Problem Overview: Air Circuit Breakers (ACBs) installed in various operational environments require appropriate protective measures compliant with the National Electrical Manufacturers Association (NEMA) standards. It is essential to understand the ...
Fine tuning Ir settings
This article goes over how to manually adjust the Ir settings on an LS smart trip unit. Part 1: Set STU to local Step1; Press H/W Set Step 2: Press Local/Remote Control Step 3: Enter password (if none already set, press okay) Step 4: Set to Local ...
Resistor Wiring Diagrams
Below you will find how to wire resistors with their respective drive. If additional information is needed, please check the catalogs attached. H100 S100: IS7: https://1drv.ms/b/s!AhiWcKnWJAc6lmNrnoqWjcNhfj3S?e=jCebG7
Time Event Scheduling on H100 and H100+ Drives
The Time Event function on H100 and H100+ drives allows up to 4 different events (time periods) with 8 exceptions to be set which utilizes the RTC (Real Time Clock) feature. For example, the drive can run between the hours of 6am to 6pm for select ...
Ground Fault Protection with Susol Air Circuit Breakers
Ground Fault (G) protection is available on Susol Air Circuit Breakers when it is necessary to detect current leaking to ground. Use the current setting knob (Ig) to set the desired ground fault current. Setting range: ...
4-20mA Analog Output Setup
Often at times, it is desired to monitor a certain function of a drive via a 4-20mA signal using the analog output. Most LS Electric drives default to 0-10VDC output signal type and therefore need to be configured for 4-20mA output. Example: ...
Searching inv check line plz
The error message "searching inv check line plz" indicates a communication issue between the control board and the LCD keypad. This can be caused by a damaged cable, a bad keypad, or a faulty control board. To troubleshoot this error, you can try the ...
Setting Drive Parameters in DriveView9 (DV9) for International Voltages and Frequencies
Setting Drive Parameters for International voltages and frequencies There is a known issue with DriveView9 (DV9) version 1.3.00 that does not allow parameter setting international utility and/or motor data in DV9 interface utilizing the LSE AC Drive ...
H100+ Soft Fill sequence
H100+ Setpoint Timeout
The H100+ comes with a variety of new features for pumps including setpoint timeout. This function triggers a warning or a trip when the difference between the feedback and setpoint is greater than the set value. This is likely to occur during a ...
Did the H100 IO Terminal board layout change?
Yes, H100s manufactured after October 12th 2020 have a slightly different IO terminal board. See below reference image.
How do I scale analog inputs?
Analog input and outputs can be scaled to meet an applications needs. This allows the VFD to run at the correct speed based on a voltage or current signal input. Similarly, the analog outputs may be scaled to properly display on a meter. Below is an ...
What is the IP rating for the M100 and G100 remote keypad?
The M100 and G100 remote mount keypad options have an IP41 rating. They do not have a NEMA rating.
How to I backup G100 parameters to a remote keypad?
G100 parameters can be backed up and copied onto another G100 VFD with a remote keypad kit. This is commonly called a "Copy Paste " function. See below steps. Set dr91=4 Remote Upload to upload parameters into the keypad. Set dr91=5 Remote ...
Is a High Leg input to a VFD ok?
High leg delta power sources (also called stinger leg, wild leg, center grounded delta) can be wired directly to the VFDs input terminals without issue. No derate is required. This is due to the fact that the input of the VFD does not reference to ...
What is the analog resolution on the S100?
The analog input and output resolution is 12 bits on the S100 VFD.
LS Electric America AC Drive Quick Start Guides and Full Manuals
ALL LS ELECTRIC AC DRIVE MANUALS and QUICK START GUIDES are now located on SOLUTION SQUARE. (Automation Knowledge Base) LV Drive - product - Solution Square(us) (ls-electric.com) LSEA Applications Engineering Team
LS Electric H100 Plus Parameter List
Please review our LS Electric America H100 PLUS AC Drive full parameter list, the attachment is located below. This printable listing will allow user to enter in customer application specifics/ changes by date. This is alternative method to have ...
I can only view CNF mode on my S100 or H100 VFD.
This is considered a level 1 lock. Check CNF50 it will most likely display "Locked". See the below steps to unlock the VFD. If the Password is known... Enter password at CNF50 to unlock the drive. If Password is NOT known... Set CNF51=7429. ...
G100, S100, iS7 Process PID vs Normal PID
By default, parameter AP/APP.28 is set to a "0" for Process PID. A s you see below this adds the main frequency reference based on the setting in frq/DRV07. This is more commonly suited for industrial applications that may be running a PID loop with ...
What does the "Field bus data swap" parameter do?
Several LS Electric VFDs have parameter Cm/COM.68. This parameter is specific to the Profibus protocol. It swaps the low and high bytes of a word. Cm/COM.68
H100 will not start after a power loss
By default, as a safety precaution, the VFD will not start after a momentary or extended power loss without cycling the RUN command. Adjusting the below listed parameters will fix this issue. Required Settings ADV10=1 -Yes CON71=0100 See setup for ...
Can the G100 conduit kit be used for the M100?
Although physical dimensions are very similar between the M100 and G100 series VFDs, the conduit kit for the G100 is not compatible with the M100. You will find that the mounting hole placement is different and the top cover (which is required for ...
What is the smallest motor allowed on an SP100?
In general terms, VFDs are limited to running motors as small as 10% of the VFDs amperage rating. For example, a 100Amp VFD can protect a motor as small as 10Amps. This changes slightly on the SP100 bypass package. The SP100 utilizes an Electronic ...
Resetting SFA and SFB on the S100
The S100 features a standard STO circuit. This is a redundant safety input on terminals SA, SB, and SC. There is a factory jumper on these terminals which should be removed when wiring up a safety relay or sequence. See below terminal wiring. •This ...
LCD Keypad cannot access drives (PAR) parameter group
If a user is having issues locating the (PAR) Parameter Group thru the LCD drive keypad, the following procedure should be performed by selecting keypads MODE button on keypad. The below assumes the VFD is setup to list only changed parameters. For ...
What is the 5G terminal for on iS7?
iS7s rated for 22kW and smaller have a terminal board with a 5G terminal. The 5G terminal is the common for the analog inputs and outputs. See below. This is considered "Basic IO". The below analog IO's utilize terminal 5G as a common. V1 I1 AO1 AO2 ...
What is the kA rating of LS VFDs?
All LS VFDs are rated at 100kA. The maximum allowed prospective short-circuit current at the input power connection is defined in IEC 60439-1 as 100 kA. Depending on the selected MCCB, the LSLV VFDs are suitable for use in circuits capable of ...
What is the difference between Extension IO Type 1 and 2?
The iS7 has 2 different extension IO cards available. See below reference to see the difference in IO.
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 ...
Next page