Newport PLATINUM Series Manual

DasyLAB MODBUS Interface Manual

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DasyLab Platinum Modbus Interface

Table of Contents

1 Introduction ........................................................................................................... 2

1.1 Purpose .................................................................................................................... 2

1.2 Definition of Terms and Acronyms ........................................................................ 2

1.3 Applicable Documents ............................................................................................ 3

2 Modbus Interface .................................................................................................. 4

2.1 Modbus Functions .................................................................................................. 4

2.2 Data Formats ........................................................................................................... 4

2.2.1 Multiple Register Reads ........................................................................................................ 4

2.2.2 Multiple Register Writes ........................................................................................................ 5

2.2.3 Request Packet Sizes ........................................................................................................... 5

2.2.4 Modbus USB Support ........................................................................................................... 6

3 Platinum Modbus Register Assignments ........................................................... 7

3.1 DasyLab Platinum Modbus Registers .................................................................... 7

3.2 DasyLab Platinum Modbus Register Access ........................................................ 8

3.3 Example ................................................................................................................... 9

3.3.1 Serial inteface ........................................................................................................................ 9

3.3.2 TCP/IP Interface .................................................................................................................. 11

Revision 1.0 Page 1 of 11

DasyLab Platinum Modbus Interface

1 Introduction

1.1 Purpose

The following document defines the Modbus protocol support and register mapping used by the
Platinum product allowing interfacing to the DasyLab Modbus interface software.

The Modbus interface is available on all communication channels and support is provided for
MODBUS/ASCII, MODBUS/RTU and MODBUS/TCP/IP transactions.

1.2 Definition of Terms and Acr ony m s

I2C 2 wire serial interface
Base Device Device connected to slave device
Smart Input Device supporting 1 or more Input sensors
Smart Output Device supporting 1 or more Output Elements
Sensor Element One of the physical sensing elements on a Smart Output
AC Alternating Current
DC Direct Current
CS Chip Select
ADC Analog to Digital Converter
DAC Digital to Analog Converter
RS485 Electrical signals used for serial communications
RS232 Electrical signals used for serial communications
CSV Comma Separated Values
COTS Commercially-Off-The-Shelf
ESD Electo Static Discharge
FW Firmware
HW Hardware
I/O Input/Output
LED Light Emitting Diode
Hexadecimal Values expressed using base 16 (2

4

)

Document Number Revision 1.0 Page 2 of 11

For Internal Use Only: This document contains confidential, proprietary information of Omega Engineering/Newport Elect ronic s,
The Document may not be copied or reproduced without the prior, written permission of Omega Engineering/Newport Electronics

DasyLab Platinum Modbus Interface

Platinum Ramp and Soak Processing

MODBUS APPLICATION PROTOCOL SPECIFICATION

1.3 Applicable Documents

Doc. # Name / Description Rev. #

Platinum Modbus Interface Reference 1.0
Platinum Load and Save File Format 0.0.1

Device Serialization and Version Information Rev 0.1
Omega Engineering Coding Standard Rev 1.2.0

0.0.1
V1.1b3

Document Number Revision 1.0 Page 3 of 11

For Internal Use Only: This document contains confidential, proprietary information of Omega Engineering/Newport Elect ronic s,

The Document may not be copied or reproduced without the prior, written permission of Omega Engineering/Newport Electronics