
Table of Contents
10 IOLAN Device Server User’s Guide, Version 2.5
Modbus I/O Access...............................................................................105
Function Codes ................................................................................ 105
A4/T4 Registers................................................................................ 106
A4D2/A4R2 Registers ...................................................................... 106
D4/D2R2 Registers........................................................................... 107
Serial Signals.................................................................................... 107
TruePort.................................................................................................108
TruePort/Modbus Combination......................................................... 108
API Over TruePort Only.................................................................... 108
Digital Channels....................................................................................109
Digital Input....................................................................................... 109
Digital Output.................................................................................... 110
Temperature Channels.........................................................................111
Analog Channels...................................................................................112
Relay Channels.....................................................................................113
Serial Signals ........................................................................................113
Calibrating Analog Input......................................................................114
Calibrating Voltage........................................................................... 114
Calibrating Current ........................................................................... 114
Calibrating Temperature Input.............................................................114
Calibrating Thermocouple ................................................................ 114
Calibrating RTD................................................................................ 114
Chapter 5 Using the DeviceManager.............................115
Introduction...............................................................................115
Starting a New Session............................................................115
Managing a Device Server ...................................................................116
Populating the Device Server List .................................................... 116
Assigning a Temporary IP Address to a New Device Server........... 117
Adding/Deleting Static Device Servers............................................. 117
Creating a New Device Server Configuration.....................................118
Opening an Existing Configuration File .............................................118
Connecting to a Device Server................................................118
Managing a Device Server.......................................................119
DeviceManager Work Flow ..................................................................119
Creating/Editing Configuration Files ..................................................119
Working With the Device Server Configuration................................ 119
Working With a Local Configuration File .......................................... 119