Omron 3G3JX User Manual

4-87
4-2 Function Mode
4
Functions
*1. There is no response for broadcasting.
*2. Note that the holding register start address is "1028h", which is smaller by 1 than the register
number "1029h".
Refer to "<Exception Response>" (4-89) if writing into the holding register cannot be performed nor-
mally.
<Loopback Test [08h]>
Used to check the communications between master and slave. A random value can be used for test
data.
(Example)
Loopback test to the Inverter with the slave address "1"
* Broadcasting cannot be performed.
The test sub code corresponds only with the query data echo (00h, 00h), not any other command.
Query Response
No. Field name
Example
(Hex)
No. Field name
Example
(Hex)
1 Slave address
*1
08 1 Slave address 08
2 Function code 06 2 Function code 06
3
Register address
*2
(MSB)
10 3
Register address
*2
(MSB)
10
4
Register address
*2
(LSB)
28 4
Register address
*2
(LSB)
28
5 Change data (MSB) 01 5 Change data (MSB) 01
6 Change data (LSB) F4 6 Change data (LSB) F4
7 CRC-16 (MSB) 0D 7 CRC-16 (MSB) 0D
8 CRC-16 (LSB) 8C 8 CRC-16 (LSB) 8C
Query Response
No. Field name
Example
(HEX)
No. Field name
Example
(HEX)
1 Slave address
*
01 1 Slave address 01
2 Function code 08 2 Function code 08
3 Test sub code (MSB) 00 3 Test sub code (MSB) 00
4 Test sub code (LSB) 00 4 Test sub code (LSB) 00
5 Data (MSB) Random 5 Data Random
6 Data (LSB) Random 6 Data Random
7 CRC-16 (MSB) CRC 7 CRC-16 (MSB) CRC
8 CRC-16 (LSB) CRC 8 CRC-16 (LSB) CRC

Omron 3G3JX Specifications

General

Model	3G3JX
Category	Inverter
Control Method	V/f control
Input Frequency	50/60 Hz
Communication Interface	RS-485 (optional)
Operating Temperature	-10 to 50°C
Humidity	20 to 90% RH (non-condensing)
Enclosure Rating	IP20
Input Voltage	200 to 240 V AC
Output Voltage	Three-phase 200 to 240 V AC
Output Frequency	400 Hz
Protection	Overcurrent, Overvoltage, Undervoltage, Overheat
Communication	RS-485
Braking Unit	Built-in
Power Range	0.1 to 15 kW
Cooling Method	Fan-cooled
Storage Temperature	-20°C to +65°C
Altitude	Up to 1000 m

Summary

Read and Understand This Manual

Warranty and Limitations of Liability

Outlines OMRON's warranty terms and limitations of liability for the product, covering defects and usage responsibilities.

Read and Understand This Manual (Continued)

Safety Precautions

Indications and Meanings of Safety Information

Explains safety warnings, cautions, and alert symbols used in the manual to ensure safe product usage.

Precautions for Safe Use

Installation and Storage

Precautions for Correct Use

Precautions for Correct Use (Continued)

Chapter 3 Operation

Test Run Procedure

Step-by-step guide for performing the initial test run of the inverter, including power-on and parameter settings.

Chapter 3 Operation (Continued)

Test Run Operation

Details the process of operating the inverter during the test run phase, covering checkpoints and status checks.

Parameter List

Comprehensive list of all configurable parameters, their monitor ranges, default settings, and units.

Chapter 4 Functions

Monitor Mode

Explains how to view real-time operational data and status of the inverter, including frequency, current, and voltage.

Chapter 4 Functions (Continued)

Function Mode

Details various operational modes and parameter settings for the inverter's functions like frequency and acceleration.

Chapter 5 Maintenance Operations

Special Display List

Lists and explains various error codes and special displays shown by the inverter for quick diagnosis.

Chapter 5 Maintenance Operations (Continued)

Troubleshooting

Provides solutions for common problems and issues encountered with the inverter, covering motor and data issues.

Chapter 6 Inspection and Maintenance

Inspection and Maintenance

Chapter 6 Inspection and Maintenance (Continued)