Filter
Top Products
TABLE OF CONTENTS
P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE iii
Basic settings ..........................................................................................................5–2
Parameter window.....................................................................................................................................5–2
Communication............................................................................................................................................5–2
Message delimiter.......................................................................................................................................5–2
Nodes ........................................................................................................................5–3
Description .....................................................................................................................................................5–3
Node parameters........................................................................................................................................5–3
Modbus network menu.............................................................................................................................5–3
Node menu.....................................................................................................................................................5–3
Query parameters ......................................................................................................................................5–4
Response parameters...............................................................................................................................5–5
FRAME AND
COMMAND EDITORS
Frame editor ............................................................................................................6–1
Description .....................................................................................................................................................6–1
Example...........................................................................................................................................................6–1
Command editor.....................................................................................................6–2
General.............................................................................................................................................................6–2
Specifying a new command ..................................................................................................................6–3
MODBUS NETWORK
AND NODE
MONITORS
Modbus network monitor......................................................................................7–1
General.............................................................................................................................................................7–1
Operation........................................................................................................................................................7–2
Node monitor...........................................................................................................7–3
General.............................................................................................................................................................7–3
Operation........................................................................................................................................................7–3
ADVANCED
FUNCTIONS
Control and status registers.................................................................................8–1
Description .....................................................................................................................................................8–1
Control register (Profibus control system to P485)......................................................................8–1
Control codes................................................................................................................................................8–2
Status register (P485 to fieldbus control system).........................................................................8–2
Status codes..................................................................................................................................................8–3
Handshaking procedure..........................................................................................................................8–3
Input/output data during startup .......................................................................8–4
Description .....................................................................................................................................................8–4
Advanced fieldbus configuration.........................................................................8–5
Mailbox command......................................................................................................................................8–5
APPLICATION
EXAMPLE
Introduction.............................................................................................................9–1
Overview..........................................................................................................................................................9–1
Equipment and documents....................................................................................................................9–1
System setup.................................................................................................................................................9–2
Modbus user map setup........................................................................................9–3
Description .....................................................................................................................................................9–3
PQMII user map............................................................................................................................................9–3
MM2 user map..............................................................................................................................................9–3
System configuration.............................................................................................9–5
Overview..........................................................................................................................................................9–5
Installing the Enervista P485/D485 Setup software...................................................................9–6
Starting the configuration wizard........................................................................................................9–6