Automation Direct GS4-21P0 Setup & Quick Start Manual

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Type: Setup & quick start manual for Automation Direct GS4-21P0

Pages: 3

GS4 Basic PID Setup QSG

We'll use a one-horsepower GS4-21P0 drive to control a motor with PID. This QSG assumes you have

already tested basic functionality of your drive. Here is a video link for basic setup if you need to do this:

https://www.youtube.com/watch?time_continue=48&v=jeKrK87EkvA

Below are the parameters we're going to set, and the values we're going to use in this document.

This initial group sets up Analog Input 1 for a 0-10v input signal, and selects it for both Remote and Local

selections, to minimize confusion. The PID Setpoint will be entered thru the drive keypad. PID Feedback

is selected in P4.02. P4.05 is set for 0-10v function.

P4.00 = 0 Keypad function "Remote Freq/PID SP Src" (PID Setpoint Source)

P4.01 = 0 Keypad function "Local Freq/PID SP Src" (PID Setpoint Source)

The two parameters above are set to make sure the drive is always in PID Mode. When `a GS4

powers up, it ALWAYS goes into "Remote" mode, and there is no way to change this. So even if

an operator changes the keypad to Local mode, the PID will still be active. After you have

established PID functionality, adjust those (if needed) to the requirements of the application.

P4.02 = 5 PID Feedback funtion "Analog Input 1 Function"

P4.05 = 0 0-10v function "AI 1 -I/V Selection" ( Make sure to check AI 1 slider switch is in

0-10v position as well)

P7.00 = 2 Forward acting (heating) Local and Remote "PID Action mode"

Where the GS4 is substantially different from previous GS2 and GS3 drives, is setting up the range of

the sensor, and configuring the display for the PID Setpoint.

P8.00 = 30 User Defined "User Display"

P8.01 = 0 Freq Setpoint "Start-up Display function"

P8.02 = 01C1 "psi" units, with 1 decimal point, "User Defined Format". This parameter needs

some explanation. The 01C portion selects psi, there are many other unit

choices shown in the manual for this parameter, such as rpm, ft/min, Degree C

or F, etc. The "1" at the far right, selects how many decimal places. A value of

01C2 would give 2 decimal places for PSI.

P8.03 = 120.0 Represents a pressure sensor with upper range of 120 psi. "User Defined Max".

Set this number to the value of YOUR sensor.

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