Omron 3G3JX User Manual

4-83
4-2 Function Mode
4
Functions
<No Response>
The Inverter ignores a query and does not respond when:
•The broadcast is received.
•A communication error is detected in receiving a query.
•The query slave address does not correspond with the slave address set for the Inverter.
•The time interval between 2 pieces of data constituting the message is less than a 3.5-character
length.
•Query data length is inappropriate.
•The reception interval in a frame exceeds the 1.5-character length.
Note: Provide a timer in the master to monitor the response, and if no response is returned within
the set time period, send the same query again.
Explanation of Each Function Code
<Coil status reading [01h]>
Reads out the coil status (ON/OFF).
(Example)
When reading multi-function input terminals from 1 to 5 of the Inverter with the slave address "8"
Refer to the following table for the multi-function input terminal statuses. (Coils from 12 to 14 are
OFF.)
*1. Broadcasting cannot be performed.
*2.
When specifying the value for 0 or over 31 of the reading coils, the error code "03h" is sent.
*3. Data is transferred by the number of data bytes.
Class Data
Multi-function input terminals12345
Coil No. 7 8 9 10 11
Terminal status ON OFF ON OFF OFF
Query Response
No. Field name
Example
(HEX)
No. Field name
Example
(HEX)
1 Slave address
*1
08 1 Slave address 08
2 Function code 01 2 Function code 01
3 Coil start number (MSB) 00 3 Number of data bytes 01
4 Coil start number (LSB) 06 4 Coil data
*3
05
5 Number of coils (MSB)
*2
00 5 CRC-16 (MSB) 92
6 Number of coils (LSB)
*2
05 6 CRC-16 (LSB) 17
7 CRC-16 (MSB) 1C
8 CRC-16 (LSB) 91

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)