269-815-4150 sales@enventek.com
Skip to main content
How Can We Help?

Search for answers or browse our knowledge base.

Documentation | Demos | Support

< All Topics
Print

GS20 VFD Reference

Updated

Before You Begin

Safety: Stop the machine, follow the site lockout/tagout procedure, verify that hazardous energy is controlled, and release or secure stored mechanical and pneumatic energy before opening a panel, removing a guard, or adjusting components. Electrical work must be performed by a qualified technician.

Replace GS20 Drive

  1. Power off.
  2. Remove old drive take note of where the wires are exactly.
  3. Install new drive put wires back in the exact same location.
  4. Power up

setting the drive parameters 9-00 Axis number (See label DRxx) 9-01 19.2 Kbps 9-04 14: 8, E, 1 (RTU)

Press Menu until we get to Hertz.

Use the Up Arrow until it rotates around until 9.

Press Enter.

Press the Up/Down arrow until we get to 9-00

Press Enter.

Enter the Drive Number. (IE 41)

Note: The entry on this drive is fairly unusual. It starts on the right and there are up arrow will count until 9 and then roll over.

The < arrow moves it over to the right. Where you can set the second digit.

Press Enter

Select 9.01

Set it to 19.2

Press Enter

Select 9.04

Set it to 14 -Which is 8, E, 1 (RTU)

Switch from GS1/GS2 to GS20 Drive

Original wiring should look similar to this.

Original GS1 or GS2 control wiring before conversion to a GS20 VFD.
 New wiring needs to look like this.
Completed GS20 control-terminal wiring after conversion.
  GS1/2 wiring  ——  GS20 wiring
  A1I orange  ——— AI1 orange
  DI1 green  ———   FWD green
  DI2 white-green — REV white-green
  DI3 white-brown — DI3 white-brown
  CM brown ———   DCM & ACM brown

GS20 Blade Motor Drive Wiring

# is the drive number

GS20 terminal diagram showing STO1, STO2, R2A, and R2B connections.

STO1 & STO2 should be jumped together

There are 2 sets of R2B & R2A, each goes to a set of braking resistors.

GS20 braking-resistor wires connected to the first R2A and R2B terminals.
GS20 braking-resistor wires connected to the second R2A and R2B terminals.

Confirm the Result

After checking all connections and reinstalling covers, restore power through the approved startup procedure. Confirm that the correct device comes online without a disconnected-drive or communication warning, then test its command, direction, and stopping response in a controlled mode.

If the issue remains, record the exact on-screen message, affected component, indicator-light state, and the last change made. Provide those details to Enventek Technical Support; do not repeatedly recalibrate or replace parts without identifying the cause.

Table of Contents