Thytronic NA60-MB0 PRON Series - User Manual

PRON NA60-MB0
Version 3.50
PRON NA60-MB0 Remote Setting Manual Page: 1 of 59
MODBUS PROTOCOL USER GUIDE 3.50
Modbus Communication Protocol User Guide
PRON NA60-MB0

Thytronic NA60-MB0 PRON Series Specifications

General

Category	Power distribution unit
Series	PRON Series
Model	NA60-MB0
Input Voltage	400Vac
Frequency	50/60Hz
Enclosure	Metal
Protection	Overload, short circuit

Summary

1 Modbus RTU communication

1.1 Serial port settings

Configures serial port settings for Master communication with TPR.

1.2 Transmission mode

Specifies supported transmission modes (RTU) and unsupported modes (ASCII).

1.3 Data Types

Describes the 4 basic Modbus data types supported by TPR.

1.4 Supported functions

Lists Modbus functions supported by the TPR.

1.5 Exceptions

Explains Modbus exception responses and their meanings.

1.6 Modbus;TCP

Defines Modbus/TCP as an extension of Modbus for TCP/IP networks.

1.7 Network setting

Details the requirement for unique IP addresses for TPR devices.

1.8 NTP synchronization

Explains Network Time Protocol for clock synchronization.

2 Logical organization of the protections data

2.1 Basic Data Type

Introduces basic data types and their relation to Modbus.

2.1.1 BIT

Describes the BIT data type, a single bit of information.

2.1.2 BYTE

Describes signed variables using 1 byte (8 bits).

2.1.3 UBYTE

Describes unsigned variables using 1 byte (8 bits).

2.1.4 WORD

Describes signed variables using 2 bytes (16 bits).

2.1.5 UWORD

Describes unsigned variables using 2 bytes (16 bits).

2.1.6 LONG

Describes signed variables using 4 bytes (32 bits).

2.1.7 ULONG

Describes unsigned variables using 4 bytes (32 bits).

2.1.8 ARR

Describes arrays of BYTE data types.

2.1.9 STR

Describes string data types as arrays of BYTE.

2.1.10 CMD

Describes data types representing commands.

3 How to read the Address Data Table

3.1 Address Data Table

Details the fields within the Address Data Table.

3.1.1 VAR

Describes the VAR field, containing variable descriptions.

3.1.2 REF

Explains the REF field, indicating the data table.

3.1.3 IDX

Describes the IDX field, representing the table position.

3.1.4 DIM

Explains the DIM field, the number of registers for data.

3.1.5 TYPE

Describes the TYPE field for basic data types.

3.1.6 UM

Explains the UM field for Unit of Measure.

3.1.7 Kv

Describes the Kv field for scale factor.

3.1.8 ENUM

Explains the ENUM field for meaning of values.

3.2 Common properties

3.2.1 Input state

Describes the physical state of an input.

3.2.2 Output state

Describes the logical and failure state of an output.

4 Examples

4.1 Example 1. How to read a variable

Demonstrates reading a variable using Modbus.

4.2 Example 2. How to read a BIT data type

Shows how to read a BIT data type.

4.3 Example 3. How to execute a command

Demonstrates executing a command via Modbus.

6 Appendix A. Address Data Table