Allen-Bradley Rockwell Automation 1734-AENT Manual de usuario

POINT I/O EtherNet/IP Adapter Module1734-AENTUser Manual

Publication 1734-UM011A-EN-P - February 2004Preface 8latency The time between initiating a request for data and the beginning of the actual dat

Publication 1734-UM011A-EN-P - February 2004C-4 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceDiscrete 4 POINT Input* POINT I/O Mo

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-5Discrete 2 POINT Output – Without Di

Publication 1734-UM011A-EN-P - February 2004C-6 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceDiscrete 2 POINT Output – With Over

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-7Discrete 2 POINT Output – With Over

Publication 1734-UM011A-EN-P - February 2004C-8 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceDiscrete 4 POINT Output – With Over

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-9Discrete 4 POINT Output – With Over

Publication 1734-UM011A-EN-P - February 2004C-10 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceAnalog 2 Channel Input1734-IE2C2 Ch

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-111734-IE2C2 Channel Analog Current I

Publication 1734-UM011A-EN-P - February 2004C-12 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-IE2V2 Channel Analog Voltage I

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-131734-IE2V2 Channel Analog Voltage I

i Publication 1734-UM011A-EN-P - February 2004Table of ContentsChapter 1About the 1734-AENT AdapterWhat This Chapter Contains. . . . . . . . . . . . .

Publication 1734-UM011A-EN-P - February 2004C-14 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-IR22 Channel RTD InputConfigur

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-151734-IR22 Channel RTD InputConfigur

Publication 1734-UM011A-EN-P - February 2004C-16 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-IT22 Channel Thermocouple Inpu

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-171734-IT22 Channel Thermocouple Inpu

Publication 1734-UM011A-EN-P - February 2004C-18 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-IT22 Channel Thermocouple Inpu

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-19Analog 2 Channel Output1734-OE2C2 C

Publication 1734-UM011A-EN-P - February 2004C-20 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-OE2C2 Channel Analog Current O

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-211734-OE2V2 Channel Analog Voltage O

Publication 1734-UM011A-EN-P - February 2004C-22 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-OE2V2 Channel Analog Voltage O

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-23Specialty I/O1734-VHSC241 Channel 1

Publication 1734-UM011A-EN-P - February 2004Table of Contents iiChapter 4Configure the 1734-AENT for Direct Connection in RSLogix 5000About the

Publication 1734-UM011A-EN-P - February 2004C-24 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-VHSC241 Channel 15-24V DC Very

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-25To enter values from +128 to +255,

Publication 1734-UM011A-EN-P - February 2004C-26 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceStored Data Note:To interpret value

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-27Program Fault NoteProgramming Fault

Publication 1734-UM011A-EN-P - February 2004C-28 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-VHSC241 Channel 15-24V DC Very

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-291734-IJ1 Channel 5V DC Encoder / Co

Publication 1734-UM011A-EN-P - February 2004C-30 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceTo enter values from +128 to +255,

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-31Stored Data Note:To interpret value

Publication 1734-UM011A-EN-P - February 2004C-32 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceProgram Fault NoteProgramming Fault

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-331734-IJ1 Channel 5V DC Encoder / Co

Publication 1734-UM011A-EN-P - February 2004Table of Contents iiiAppendix A1734-AENT Adapter Web PagesWeb Page Diagnostics . . . . . . . . . .

Publication 1734-UM011A-EN-P - February 2004C-34 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-SSI1 Channel Synchronous Seria

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-35SSI Word Delay Time Note:To enter D

Publication 1734-UM011A-EN-P - February 2004C-36 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferencePresent / Latched Data Note:To inte

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-371734-SSI1 Channel Synchronous Seria

Publication 1734-UM011A-EN-P - February 2004C-38 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-232ASC1 Channel ASCII Interfac

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-39Transmit Data / Receive Data / Deli

Publication 1734-UM011A-EN-P - February 2004C-40 1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734-232ASC1 Channel ASCII Interfac

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-41Transmit Record Number/ Receive Rec

Publication 1734-UM011A-EN-P - February 2004C-42 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceNotes:

1 Publication 1734-UM011A-EN-P - February 2004Appendix D1734-AENT Quick StartWhat’s In This Appendix?In this quick start, you will learn how to use th

Publication 1734-UM011A-EN-P - February 2004Table of Contents iv

Publication 1734-UM011A-EN-P - February 2004D-2 1734-AENT Quick StartConfigure the 1734-AENT POINT I/O AdapterIn the 1734-AENT’s module Propert

Publication 1734-UM011A-EN-P - February 20041734-AENT Quick Start D-3Enter Adapter Properties1. Right click on the 1734-AENT adapter and select

Publication 1734-UM011A-EN-P - February 2004D-4 1734-AENT Quick Start5. In the Module Properties window, enter the following information:a. Nam

Publication 1734-UM011A-EN-P - February 20041734-AENT Quick Start D-5We are going to assume there is an analog input module 1734-IE2V, which re

Publication 1734-UM011A-EN-P - February 2004D-6 1734-AENT Quick StartIt is set to 1, which is one of the default values. If you look to Appendi

Publication 1734-UM011A-EN-P - February 20041734-AENT Quick Start D-7– However, if you have downloaded the offline configuration into the modul

Publication 1734-UM011A-EN-P - February 2004D-8 1734-AENT Quick StartNow you can put your processor in Run mode and the connection should be su

Publication 1734-UM011A-EN-P - February 20041734-AENT Quick Start D-9The Rockwell Software RSLinx Gateway - [RSWho - 1] screen appears.TIPThe R

Publication 1734-UM011A-EN-P - February 2004D-10 1734-AENT Quick StartAdding the AB_ETHIP-1 (EtherNet/IP) Driver1. From the Communications menu

Publication 1734-UM011A-EN-P - February 2004IndexNumbers1734-AENToverview 1--1adapter features 1--4control and information protocol (CIP) 1--5hardware

1 Publication 1734-UM011A-EN-P - February 2004Chapter 1About the 1734-AENT AdapterWhat This Chapter ContainsThis chapter provides an overview of the 1

Publication 1734-UM011A-EN-P - February 20042 IndexDdata typesRSLogix 5000valid number ranges C--2DCHP softwareusing to configure the module 3-

Publication 1734-UM011A-EN-P - February 2004Index 3RSLinx communication drivers B--4, B--6AB_ETH, ETHIP driver B--2–B--4, B--6installing the so

Publication 1734-UM011A-EN-P - February 20044 Index

Publication CIG-CO521C-EN-P- May 2003 PN957726-46957782-91How Are We Doing?Your comments on our technical publications will help us serve you better

Other CommentsPLEASE FOLD HERENO POSTAGE NECESSARY IF MAILED IN THE UNITED STATESBUSINESS REPLY MAILFIRST-CLASS MAIL PERMIT NO. 18235 CLEVELAND OHPOST

Publication 1734-UM011A-EN-P - February 2004 2 PN 957726-46Copyright © 2004 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.Rockwe

Publication 1734-UM011A-EN-P - February 20041-2 About the 1734-AENT AdapterImportant Adapter ConsiderationsBefore you begin using your 1734-AEN

Publication 1734-UM011A-EN-P - February 2004About the 1734-AENT Adapter 1-3Empty Slots and RIUP SituationsThe POINT I/O system does not have th

Publication 1734-UM011A-EN-P - February 20041-4 About the 1734-AENT AdapterPower Up a System For the First TimeWhen POINT I/O is powered for th

Publication 1734-UM011A-EN-P - February 2004About the 1734-AENT Adapter 1-5Hardware/Software CompatibilityThe 1734-AENT adapter and the applica

Important User InformationBecause of the variety of uses for the products described in this publication, those responsible for the application and use

Publication 1734-UM011A-EN-P - February 20041-6 About the 1734-AENT AdapterThis has two significant benefits:• You do not need to configure rou

Publication 1734-UM011A-EN-P - February 2004About the 1734-AENT Adapter 1-7from more than one I/O module into a single block of data sent over

Publication 1734-UM011A-EN-P - February 20041-8 About the 1734-AENT AdapterWhat’s Next?The following chapter describes how to physically instal

1 Publication 1734-UM011A-EN-P - February 2004Chapter 2Install the 1734-AENT AdapterWhat This Chapter ContainsThis chapter describes how to physically

Publication 1734-UM011A-EN-P - February 20042-2 Install the 1734-AENT AdapterIdentify Module ComponentsUse the following illustration to identi

Publication 1734-UM011A-EN-P - February 2004Install the 1734-AENT Adapter 2-33. Set the network address thumbwheel switches to the desired valu

Publication 1734-UM011A-EN-P - February 20042-4 Install the 1734-AENT Adapter7. Set the network address thumbwheel switches to the value used o

Publication 1734-UM011A-EN-P - February 2004Install the 1734-AENT Adapter 2-5Mounting DimensionsWhat’s Next?The following chapter describes how

Publication 1734-UM011A-EN-P - February 20042-6 Install the 1734-AENT AdapterNotes:

1 Publication 1734-UM011A-EN-P - February 2004Chapter 3Configure the 1734-AENT Adapterfor Your EtherNet/IP NetworkWhat This Chapter ContainsBefore you

1 Publication 1734-UM011A-EN-P - February 2004PrefaceWhat this Preface ContainsThis preface describes how to use this manual. The following table list

Publication 1734-UM011A-EN-P - February 20043-2 Configure the 1734-AENT Adapter for Your EtherNet/IP NetworkConfiguration RequirementsBefore yo

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT Adapter for Your EtherNet/IP Network 3-3You can distinguish the class of th

Publication 1734-UM011A-EN-P - February 20043-4 Configure the 1734-AENT Adapter for Your EtherNet/IP NetworkWhen host B communicates with host

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT Adapter for Your EtherNet/IP Network 3-5The new configuration is:A second n

Publication 1734-UM011A-EN-P - February 20043-6 Configure the 1734-AENT Adapter for Your EtherNet/IP NetworkSet the Network AddressYou can set

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT Adapter for Your EtherNet/IP Network 3-7Use the RockwellBootP/DHCP UtilityT

Publication 1734-UM011A-EN-P - February 20043-8 Configure the 1734-AENT Adapter for Your EtherNet/IP NetworkThe device will be added to the Rel

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT Adapter for Your EtherNet/IP Network 3-9Save the Relation ListYou can save

Publication 1734-UM011A-EN-P - February 20043-10 Configure the 1734-AENT Adapter for Your EtherNet/IP NetworkYou can then open the file contain

1 Publication 1734-UM011A-EN-P - February 2004Chapter 4Configure the 1734-AENT for Direct Connection in RSLogix 5000 About the Example ApplicationIn t

Publication 1734-UM011A-EN-P - February 2004Preface 2How To Use This ManualThis manual contains an overview of the 1734-AENT adapter. It descri

Publication 1734-UM011A-EN-P - February 20044-2 Configure the 1734-AENT for Direct Connection in RSLogix 5000Set Up the HardwareIn this example

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-3Create the Example ApplicationPerf

Publication 1734-UM011A-EN-P - February 20044-4 Configure the 1734-AENT for Direct Connection in RSLogix 50005. Click on OK.Configure the I/OYo

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-5The Select Module Type window will

Publication 1734-UM011A-EN-P - February 20044-6 Configure the 1734-AENT for Direct Connection in RSLogix 5000Add the POINT I/O Adapter to the I

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-7The Module Properties window will

Publication 1734-UM011A-EN-P - February 20044-8 Configure the 1734-AENT for Direct Connection in RSLogix 5000Because None was entered as the Co

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-9The Select Module Type window will

Publication 1734-UM011A-EN-P - February 20044-10 Configure the 1734-AENT for Direct Connection in RSLogix 5000The Comm Format is Output Data, i

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-117. Click on the Finish button to

Publication 1734-UM011A-EN-P - February 2004Preface 3System ComponentsWe used the following components for the example applications. You will n

Publication 1734-UM011A-EN-P - February 20044-12 Configure the 1734-AENT for Direct Connection in RSLogix 5000The Module Properties window will

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-13Edit the Controller TagsWhen you

Publication 1734-UM011A-EN-P - February 20044-14 Configure the 1734-AENT for Direct Connection in RSLogix 50003. Close the Controller Tags wind

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-15Download the Program to the Contr

Publication 1734-UM011A-EN-P - February 20044-16 Configure the 1734-AENT for Direct Connection in RSLogix 5000Notice that the 1756-ENBT Bridge

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-176. Click Set Chassis Size in Modu

Publication 1734-UM011A-EN-P - February 20044-18 Configure the 1734-AENT for Direct Connection in RSLogix 50009. Click OK.At this point, your P

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection in RSLogix 5000 4-19An Overloaded 1734-AENTEach POINT

Publication 1734-UM011A-EN-P - February 20044-20 Configure the 1734-AENT for Direct Connection in RSLogix 5000Notes:

1 Publication 1734-UM011A-EN-P - February 2004Chapter 5Configure the 1734-AENT for Direct Connection and Rack Optimizationin RSLogix 5000What’s in Thi

Publication 1734-UM011A-EN-P - February 2004Preface 4Where to Find More InformationRefer to the following Rockwell publications as needed for a

Publication 1734-UM011A-EN-P - February 20045-2 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000Set Up the H

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-3Create the E

Publication 1734-UM011A-EN-P - February 20045-4 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000Click on OK.

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-5The Select M

Publication 1734-UM011A-EN-P - February 20045-6 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000Add the POIN

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-7The Module P

Publication 1734-UM011A-EN-P - February 20045-8 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000The followin

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-93. Click OK.

Publication 1734-UM011A-EN-P - February 20045-10 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000Notice that

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-11Add the POI

Publication 1734-UM011A-EN-P - February 2004Preface 5POINT I/O 22V ac input module POINT I/O 220V ac Input Module Installation Instructions 173

Publication 1734-UM011A-EN-P - February 20045-12 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000The output

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-135. Choose D

Publication 1734-UM011A-EN-P - February 20045-14 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000You see the

Publication 1734-UM011A-EN-P - February 2004Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000 5-158. Click OK

Publication 1734-UM011A-EN-P - February 20045-16 Configure the 1734-AENT for Direct Connection and Rack Optimization in RSLogix 5000Access Modu

1 Publication 1734-UM011A-EN-P - February 2004Chapter 6LED Status IndicatorsInterpret the Status IndicatorsATTENTIONYou must use Series C POINT I/O mo

Publication 1734-UM011A-EN-P - February 20046-2 LED Status IndicatorsIndication Probable CauseSolid Red Unrecoverable fault has occurred:• Self

1 Publication 1734-UM011A-EN-P - February 2004Chapter 7Safety Approvals and SpecificationsSafety ApprovalsSafety Approval information for the 1734-AEN

Publication 1734-UM011A-EN-P - February 20047-2 Safety Approvals and SpecificationsSpecificationsSpecifications information for the 1734-AENT i

Publication 1734-UM011A-EN-P - February 2004Safety Approvals and Specifications 7-3General SpecificationsIndicators 3 red/green status indicato

Publication 1734-UM011A-EN-P - February 2004Preface 6TerminologyRefer to the table below for the meaning of common terms.This term MeansBootP B

Publication 1734-UM011A-EN-P - February 20047-4 Surge Transient ImmunityIEC 61000-4-5:+1kV line-line(DM) and +2kV line-earth(CM) on signal port

1 Publication 1734-UM011A-EN-P - February 2004Appendix A1734-AENT Adapter Web PagesWeb Page DiagnosticsThe 1734-AENT adapter’s Web pages offer extensi

Publication 1734-UM011A-EN-P - February 2004A-2 1734-AENT Adapter Web PagesDiagnostic InformationFrom the Diagnostic Home page you can access o

Publication 1734-UM011A-EN-P - February 20041734-AENT Adapter Web Pages A-3Module InformationOn the Module Information page, you can obtain mod

Publication 1734-UM011A-EN-P - February 2004A-4 1734-AENT Adapter Web PagesNetwork StatisticsThe Network Statistics page provides information t

Publication 1734-UM011A-EN-P - February 20041734-AENT Adapter Web Pages A-5Connection StatisticsThe Connection Statistics page list CIP-related

Publication 1734-UM011A-EN-P - February 2004A-6 1734-AENT Adapter Web PagesDiagnostic MessagingThe Diagnostic Messaging page lets you retrieve

Publication 1734-UM011A-EN-P - February 20041734-AENT Adapter Web Pages A-7Browse ChassisBrowse the chassis to see what modules are present on

Publication 1734-UM011A-EN-P - February 2004A-8 1734-AENT Adapter Web PagesConfigurationThe Configuration page provides a way for you to config

Publication 1734-UM011A-EN-P - February 20041734-AENT Adapter Web Pages A-9IMPORTANTIf you set the thumbwheels on the 1734-AENT to the value 88

Publication 1734-UM011A-EN-P - February 2004Preface 7Ethernet network A local area network designed for the high-speed exchange of information

Publication 1734-UM011A-EN-P - February 2004A-10 1734-AENT Adapter Web PagesNotes:

1 Publication 1734-UM011A-EN-P - February 2004Appendix BConfigure the RSLinx Ethernet Communication DriverWhat This Appendix ContainsIn order to commu

Publication 1734-UM011A-EN-P - February 2004B-2 Configure the RSLinx Ethernet Communication DriverYou will see the progress bar, followed by th

Publication 1734-UM011A-EN-P - February 2004Configure the RSLinx Ethernet Communication Driver B-3You will be prompted to name the driver.5. Se

Publication 1734-UM011A-EN-P - February 2004B-4 Configure the RSLinx Ethernet Communication DriverThe new driver will appear in the list of con

Publication 1734-UM011A-EN-P - February 2004Configure the RSLinx Ethernet Communication Driver B-54. Select EtherNet/IP Devices and click on Ad

Publication 1734-UM011A-EN-P - February 2004B-6 Configure the RSLinx Ethernet Communication DriverRSLinx will browse your local subnet and auto

1 Publication 1734-UM011A-EN-P - February 2004Appendix C1734-POINT I/O Module/RSLogix 5000 Controller Tag Reference1734 POINT I/O Catalog NumbersATTEN

Publication 1734-UM011A-EN-P - February 2004C-2 1734-POINT I/O Module/RSLogix 5000 Controller Tag ReferenceNote that all POINT I/O modules must

Publication 1734-UM011A-EN-P - February 20041734-POINT I/O Module/RSLogix 5000 Controller Tag Reference C-3Discrete 2 POINT Input* POINT I/O Mo