AutomationDirect GS2 Series VFDs

Overview

Chinese variable frequency drives (VFDs). They feature Modbus/RS-485 support.

Model Numbers

• Page 11 (1-3 in the PDF) shows the model number scheme

Wiring Diagram

• Page 24 (2-8 in the PDF) shows the power input/output terminal layout
• Page 26 (2-10 in the PDF) shows the control terminal layout
• Page 27 (2-11 in the PDF) shows an overview of the wiring

Software

• Page 168 (A-22 in the PDF) mentions the GSoft software

Software & Firmware Downloads

Filename	Size	MD5	SHA1	SHA256
gsoftInstall_v4_0_7_db7_0_9.zip	22,525,331 bytes	829949476babd049043abc22f35bf305	e59f849056f589aff632d6f6208c7e7b4f37bcc0	9daf832d4a91dcaed3a684fd9a0c3c442d9d8c1a58ef322db8072594427b9835

Parameters

• Page 44 (4-2 in the PDF) lists the parameters
• Page 53 (4-11 in the PDF) gives detailed parameter descriptions

Alarm Codes

• Page 143 (6-3 in the PDF) lists the LCD fault codes

Modbus Control

VFD parameters

Modbus Address	Parameter No.	Default Value	Required Value	Description
0x0300	P03.00	00: Operation determined by digital keypad	04: Operation determined by RS-485 interface, keypad STOP is disabled	Source of Operation Command
0x0400	P04.00	00: Frequency determined by keypad potentiometer	05: Frequency determined by RS-232C/RS-485 communication interface	Source of Frequency Command
0x0900	P09.00	1	1	Slave Address
0x0901	P09.01	01: 9,600 baud	01: 9,600 baud	Baudrate
0x0902	P09.02	00: MODBUS ASCII, 7N2	04: MODBUS RTU, 8E1	Communication Protocol
0x0903	P09.03	00: display fault and continue	02: display fault and coast to stop	Transmission Fault Treatment
0x0904	P09.04	00: disable	01: enable	Time Out Detection
0x0905	P09.05	0.5 seconds	2.0 seconds	Time Out Duration

Modbus registers

• Page 108 (5-4 in the PDF) lists the parameter registers
• Page 113 (5-9 in the PDF) lists the status registers

Online Resources

https://cdn.automationdirect.com/static/manuals/gs2m/gs2m.pdf

https://cdn.automationdirect.com/static/specs/oldspec/gs2drive_01_27_22.pdf