Measurement E-PDISO16 User Manual
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User's Guide
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E-PDISO16
Isolated Input and Relay Output
Ethernet Interface Module
User's Guide
Document Revision 4, June, 2006
© Copyright 2006, Measurement Computing Corporation
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Table of Contents
About this User's Guide ......................................................................................................................vi
What you will learn from this user's guide ........................................................................................................vi
Conventions in this user's guide ........................................................................................................................vi
Where to find more information........................................................................................................................vi
Chapter 1
Introducing the E-PDISO16 .............................................................................................................. 1-1
Overview: E-PDISO16 features ..................................................................................................................... 1-1
Ethernet interface............................................................................................................................................ 1-2
Software features............................................................................................................................................ 1-2
E-PDISO16 block diagram............................................................................................................................. 1-3
Chapter 2
Installing the E-PDISO16 .................................................................................................................. 2-1
What comes with your E-PDISO16 shipment? .............................................................................................. 2-1
Hardware ....................................................................................................................................................................... 2-1
Additional documentation.............................................................................................................................................. 2-1
Unpacking the E-PDISO16............................................................................................................................. 2-2
Installing the software .................................................................................................................................... 2-2
Connecting the external power supply............................................................................................................ 2-2
Connecting the Ethernet cable........................................................................................................................ 2-2
Configuring the E-PDISO16........................................................................................................................... 2-3
If your network does not have a DHCP server............................................................................................................... 2-3
If your network does have a DHCP server..................................................................................................................... 2-3
Run InstaCal .................................................................................................................................................................. 2-3
Dynamic Host Configuration Protocol (DHCP).............................................................................................................2-3
IP address....................................................................................................................................................................... 2-4
Subnet mask................................................................................................................................................................... 2-4
Gateway......................................................................................................................................................................... 2-4
Chapter 3
Functional Details ............................................................................................................................. 3-1
Internal components ....................................................................................................................................... 3-1
Ethernet port ..................................................................................................................................................................3-1
External power connectors............................................................................................................................................. 3-1
POWER LED................................................................................................................................................................. 3-2
LINK LED..................................................................................................................................................................... 3-2
ACTIVITY LED............................................................................................................................................................ 3-2
TEST LED..................................................................................................................................................................... 3-2
Factory default button.................................................................................................................................................... 3-3
Screw terminal wiring.................................................................................................................................................... 3-3
Relay output terminals (NO0 to NC15) ......................................................................................................................... 3-4
Digital input terminals (IP0A to IP15B) ........................................................................................................................ 3-5
Power limitations using multiple E-PDISO16 modules ................................................................................. 3-6
Chapter 4
Ethernet Troubleshooting ................................................................................................................ 4-1
Deleting an ARP table entry........................................................................................................................... 4-3
Getting help .................................................................................................................................................... 4-4
Chapter 5
Specifications.................................................................................................................................... 5-1
Output relay specifications ............................................................................................................................. 5-1
Isolated inputs................................................................................................................................................. 5-1
iv
E-PDISO16 User's Guide
Power consumption ........................................................................................................................................ 5-2
External power output .................................................................................................................................... 5-2
Ethernet compliance ....................................................................................................................................... 5-2
Ethernet connection ........................................................................................................................................ 5-2
EEProm memory ............................................................................................................................................ 5-2
Ethernet and input filter "Factory Default" settings........................................................................................ 5-3
LED displays and the "Factory Default" button ............................................................................................. 5-3
Mechanical ..................................................................................................................................................... 5-3
Environmental ................................................................................................................................................ 5-3
Main connector............................................................................................................................................... 5-3
Screw terminal pin out................................................................................................................................................... 5-4
v
Preface
About this User's Guide
What you will learn from this user's guide
This user's guide explains how to install and configure the E-PDISO16 so that you get the most out of its
isolated input and relay output features.
Conventions in this user's guide
For more information on …
Text presented in a box signifies additional information and helpful hints related to the subject matter you are
reading.
Caution! Shaded caution statements present information to help you avoid injuring yourself and others,
damaging your hardware, or losing your data.
<#:#> Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned
to registers, bit settings, etc.
bold text Bold text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For
example:
1. Insert the disk or CD and click the OK button.
italic text Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For
example:
The InstaCal® installation procedure is explained in the Quick Start Guide.
Never touch the exposed pins or circuit connections on the board.
Where to find more information
The following electronic documents provide information relevant to the operation of the E-PDISO16.
! MCC's Specifications: E-PDISO16 (the PDF version of the Electrical Specification Chapter in this guide) is
available on our web site at www.mccdaq.com/pdfs/E-PDISO16.pdf
! MCC's Quick Start Guide is available on our web site at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf
! MCC's Guide to Signal Connections is available on our web site at
www.mccdaq.com/signals/signals.pdf
! MCC's Universal Library User's Guide is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf
! MCC's Universal Library Function Reference is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-functions.pdf
! MCC's Universal Library for LabVIEW
www.mccdaq.com/PDFmanuals/SM-UL-LabVIEW.pdf
E-PDISO16 User's Guide (this document) is also available on our web site at
www.mccdaq.com/PDFmanuals/E-PDISO16.pdf
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User’s Guide is available on our web site at
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vi
Chapter 1
Introducing the E-PDISO16
Overview: E-PDISO16 features
This user's guide contains all of the information you need to connect the E-PDISO16 to your network or
computer and to the external devices you want to control. You can use the E-PDISO16 in your control
applications to switch on and off a variety of devices, such as fans, blowers, pumps, etc.
®
The E-PDISO16 is a data acquisition Ethernet interface module supported under Microsoft
and Windows XP.
The E-PDISO16 provides 16 relay outputs and 16 isolated digital inputs. All I/O connections are made to three
sets of screw terminals on the module.
The 16 individual, optically isolated (500 V) digital inputs can be driven by either AC (50 to 1000 Hz) or DC at
levels up to 30 volts. Each input channel has a software-enabled low-pass AC filter with a time constant of 5 ms
(200 Hz). The 16 inputs can be read back as a single byte.
The 16 outputs are single-pole double-throw (SPDT) dry contact, Form-C electromechanical relays. The screw
terminals provide three connections to each relay – normally open (NO), normally closed (NC), and common
(C). The relays are in a non-energized state (NC) upon power up.
Windows® 2000
The E-PDISO16 is powered by an external +9 V regulated power supply that is shipped with the module. A
power output lets you power additional Measurement Computing products from one external power supply.
Depending on your load requirement, daisy-chained modules may require a separate power supply.
On-board LEDs display the status of communication, external power, and the Ethernet connection. A fourth
LED is used for testing purposes.
The E-PDISO16 is shipped in a rugged metal enclosure that you can mount on a DIN rail or on a bench.
1-1
E-PDISO16 User's Guide Introducing the E-PDISO16
Ethernet interface
The E-PDISO16 has one built-in 10/100 BASE-T auto-negotiation, high-speed communication port. With the
Ethernet interface, you can remotely access and configure your E-PDISO16 from anywhere on the network.
Only one computer can control the E-PDISO16 at one time. The networking protocol is TCP/IP. You can send
your data over 100 meters at data speeds of up to 100 Mbps using only one Ethernet cable connected to your
computer.
You configure the Ethernet connection settings with InstaCal. MCC assigns a unique physical (MAC) address
to each module you connect to your network. You can restore the factory-default Ethernet connection settings
with an on-board RESET button.
Max number of TCP connections to the E-PDISO16
The maximum number of TCP connections that may concurrently be connected to the E-PDISO16 is three. The
first user to establish a TCP connection can change the configurations and write to the outputs. The remaining
two users may access the unit on a "read-only" basis. An attempt by a fourth user to gain a connection with the
E-PDISO16 will not be acknowledged. Performance of these three concurrent connections will be subject to the
limitations of the network topology and the network traffic that they are connected to.
Configuration information
For more information on InstaCal and the Ethernet configuration settings for your E-PDISO16, refer to the
"PDISO8 and PDISO16 Series" section of the "Digital Input/Output Boards" chapter in the Universal Library
User's Guide. This document is available on our web site at www.mccdaq.com/PDFmanuals/sm-ul-user-
guide.pdf.
Software features
For information on the features of InstaCal and the other software included with your E-PDISO16, refer to the
Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf
Check http://www.mccdaq.com/download.htm
supported under less commonly used operating systems.
for the latest software version or versions of the software
.
1-2
E-PDISO16 User's Guide Introducing the E-PDISO16
E-PDISO16 block diagram
E-PDISO16 functions are illustrated in the block diagram shown here.
RJ-45
Ethernet
Port
Ethernet
MAC/PHY
3V
Power
Regulator
8-bit
Host Interface
IP1A
IP0A
IP0B
9.0 V
External
Power
Power
Monitor
5V
Power
Regulator
PIC18F8520
Microcontroller
I2C
Interface
for filter control
Isolation and Fi lter
IP2A
IP3A
IP4A
IP1B
IP2B
IP3B
IP4B
16 Digital inputs
5V
Power
Regulator
Relay 4
16 channels
Relay 3
Relay 2
Relay 1
16
channels
IP5A
IP6A
IP7A
IP8A
IP9A
IP10A
IP11A
IP12A
IP13A
IP14A
IP15A
IP5B
IP6B
IP7B
IP8B
IP9B
IP11B
IP10B
IP12B
IP13B
IP14B
4 SPDT
relays
NO0
NC0
C1
NO2
NC2C3NO4
C0
C2
NC1
NO1
IP15B
NO3
8 Relay outputs
NC3
Regulator
NC4C5NO6
C4
NO5
5V
Power
Relay 5
Relay 6
Relay 7
Relay 8
4 SPDT
relays
NC5
5V
Power
Regulator
Relay 12
Relay 11
Relay 10
Relay 9
4 SPDT
relays
NC6
C7
C6
NC7
NO7
NO8
NC8
C9
NO10
NC10
C8
C10
NC9
NO9
NO11
8 Relay outputs
C11
NO12
C12
NC11
5V
Power
Regulator
Relay 13
Relay 14
Relay 15
Relay 16
4 SPDT
relays
NC12
C13
NO14
NC13
NO13
NC14
C15
C14
NC15
NO15
Figure 1-1. E-PDISO16 functional block diagram
1-3
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