About The P485 Modbus To Profibus Converter; Application; Features; General Features - GE P485 Instruction Manual

APPLICATION

GENERAL FEATURES

MODBUS NETWORK

FIELDBUS INTERFACE

FEATURES

P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE

About the P485 Modbus to Profibus Converter

The P485 Modbus to Profibus Converter (or P485) acts as a gateway between the Modbus
protocol and a Profibus-DP network. Integration of industrial devices is enabled without
loss of functionality, control, and reliability, both when retrofitting to existing equipment as
well as when setting up new installations.
Profibus
master (PLC)
HMI
Profibus slave
P485
PC for configuration
and monitoring
RS232 port
Single-node Modbus network
Features
• DIN-rail mountable
• Save/load configuration in flash
• CE, UL, and cUL marked
• RS232/RS422/RS485 communications
• Multi-drop or single-node configurations
• Modbus RTU Master mode
• Supports up to 50 commands
• Configuration via EnerVista P485/D485 Setup software
• Complete Profibus-DP slave functionality according to IEC 61158
• Node Address range: 1 to 99 using on board switches
• Baud rate range: 9.6 kbps to 12 Mbps. Auto baud rate detection supported.
• Transmission media: Profibus bus line, type A or B specified in IEC 61158
P485
Multi-node Modbus network
Figure 1-2: Typical applications
INTRODUCTION
Profibus
master (PLC)
HMI
Profibus
slave
PC for configuration
and monitoring
Multi-drop
1–3