
Table of Contents
1. Introduction...................................................................................................................................... 1-1
Overview...........................................................................................................................................1-2
Optional Liquid Crystal Display Module (LCM).........................................................................................1-2
Product Features ................................................................................................................................1-2
Package Checklist...............................................................................................................................1-2
Specifications.....................................................................................................................................1-3
Physical Dimensions............................................................................................................................1-4
Without LCM...............................................................................................................................1-4
With Optional LCM.......................................................................................................................1-5
Product Overview ...............................................................................................................................1-6
Pin Assignments.................................................................................................................................1-6
System Bus ................................................................................................................................1-6
TB1 and TB2 (Power Input & RS-485 Connector).............................................................................1-6
TB3 (Analog Input and Output Terminal)........................................................................................1-7
LED Indicators ............................................................................................................................1-7
2. Initial Setup...................................................................................................................................... 2-1
Hardware Installation..........................................................................................................................2-2
Connecting the Power ..................................................................................................................2-2
Grounding the ioLogik R2140........................................................................................................2-2
Connecting to Analog Sensors and Devices.....................................................................................2-2
Setting the RS-485 Baudrate ........................................................................................................2-3
Setting the RS-485 Unit ID...........................................................................................................2-3
Modbus/RTU Devices ...................................................................................................................2-3
Software Installation...........................................................................................................................2-4
3. Using ioAdmin................................................................................................................................... 3-1
Introduction to ioAdmin.......................................................................................................................3-2
Features of ioAdmin............................................................................................................................3-2
Searching for the Unit..................................................................................................................3-3
ioAdmin Main Screen...........................................................................................................................3-5
Main Screen Overview..................................................................................................................3-5
Wiring Guide...............................................................................................................................3-6
Menu Items .......................................................................................................................................3-7
File............................................................................................................................................3-7
System ......................................................................................................................................3-7
Sort...........................................................................................................................................3-8
Help ..........................................................................................................................................3-8
Quick Links.................................................................................................................................3-8
Main Window......................................................................................................................................3-9
I/O Configuration Tab (General)....................................................................................................3-9
Server Info Tab...........................................................................................................................3-9
Server Settings Tab (General).....................................................................................................3-10
ioAdmin Administrator Functions ........................................................................................................3-10
I/O Configuration Tab (Administrator)..........................................................................................3-11
Server Settings Tab (Administrator) ............................................................................................3-12
Firmware Update Tab.................................................................................................................3-12
Watchdog Tab...........................................................................................................................3-13
Server Context Menu.................................................................................................................3-14
4. Cascading with Other I/O Servers .................................................................................................... 4-1
Introductino.......................................................................................................................................4-2
Cascading System Bus ........................................................................................................................4-2
Hardware Installation..........................................................................................................................4-2
Using ioAdmin with Cascaded I/O Servers..............................................................................................4-3
Adding One I/O Server.................................................................................................................4-3
Adding Two or More I/O Servers ...................................................................................................4-4
Removing Cascaded I/O Servers ...................................................................................................4-5
Limitations.........................................................................................................................................4-5
A. Liquid Crystal Display Module (LCM) ................................................................................................. A-1
B. Modbus/RTU Address Mappings........................................................................................................ B-1
R2140 Modbus Mapping.......................................................................................................................B-1
0xxxx Read/Write Coils (Functions 1, 5, 15) ...................................................................................B-1
3xxxx Read Only Registers (Function 4).........................................................................................B-3
4xxxx Read/Write Registers (Functions 3, 6, 16).............................................................................B-4
Function 8..................................................................................................................................B-8
C. Factory Default Settings.................................................................................................................... C-1
D. Pinouts and Cable Wiring ..................................................................................................................D-1