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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 Acronyms
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
Document Number
For Internal Use Only: This document contains confidential, proprietary information of Omega Engineering/Newport Electronics,
The Document may not be copied or reproduced without the prior, written permission of Omega Engineering/Newport Electronics
4
)
Revision 1.0
Page 2 of 11
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