ControlNet User Adapter Module Manual - …

1 UserManualControlNet Adapter Module (Cat. No. 1771-ACN15 and -ACNR15)Allen-BradleyBecause of the variety of uses for the products described in thispublication, those responsible for the application and use of this controlequipment must satisfy themselves that all necessary steps have been takento assure that each application and use meets all performance and safetyrequirements, including any applicable laws, regulations, codes illustrations, charts, sample programs and layout examples shown inthis guide are intended solely for purposes of example. Since there aremany variables and requirements associated with any particularinstallation, Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use based upon theexamples shown in this publication , Safety Guidelines for the Application,Installation, and Maintenance of Solid-State Control (available from yourlocal Allen-Bradley office), describes some important differences betweensolid-state equipment and electromechanical devices that should be takeninto consideration when applying products such as those described in of the contents of this copyrighted publication, in whole orin part, without written permission of Allen-Bradley Company, Inc.

2 , this Manual we use notes to make you aware of safetyconsiderations:ATTENTION: Identifies information about practices orcircumstances that can lead to personal injury or death, propertydamage or economic statements help you to: identify a hazard avoid the hazard recognize the consequencesImportant: Identifies information that is critical for successful applicationand understanding of the User Information Publication August 1997 ng h n Read this preface to familiarize yourself with this Manual and tolearn how to use it properly and assume that you have previously used an Allen-Bradleyprogrammable controller, that you are familiar with its features, andthat you are familiar with the terminology we use. If not, read theuser Manual for your processor before reading this this Manual , we refer to: the individual ControlNet Adapter Module as the Adapter orthe Module .

3 The programmable controller as the controller or the processor. The contents of this Manual are as follows:What This Manual ContainsChapterTitleWhat s Covered1 Introducing the ControlNet AdapterModulesDescribes features, capabilities, and Your ControlNet AdapterModuleProcedures and guidelines for installing the Module ;including power requirements, location, settingswitches, and actual Modes for Your I/OHardware addressing and configuration options4 Planning to Use Your ControlNetAdapterHow the Adapter operates on ControlNet andinformation to assist in configuring your aids, including status display, healthindicators and ControlNet status indicatorsAppendixASpecificationsModule specificationsBA Practical Example of ControlNetConceptsAn example program and description thereofPreface ObjectivesAudienceVocabularyWhat This ManualContains Using This ManualP 2 Publication August 1997 The following list defines common terms used in this this termTo describecomplementary modulea Module that performs an opposite function.

4 An input Module complements an outputmodule and vice versaConfiguration Manager nodenode responsible for distributing ControlNet configuration data to all nodes on thenetworkControlNet networka communication architecture that allows the exchange of messages betweenAllen-Bradley Company, Inc. products and certified third-party productsconnectionan opened communication path between two nodes on a ControlNet networkControlNet status indicatorschannel A and channel B indicators on your node indicating status on the ControlNetlinkDF1 protocola peer-to-peer link-layer protocol that combines features of ANSI subcategories D1 (data transparency) and F1 (two-way simultaneoustransmission with embedded responses)DH+ network(Data Highway Plus )an Allen-Bradley local area network made up of one or more token-passing basebandlinksdiscrete I/O data transfertype of data transfer in which single units of I/O have discrete relationships with valuesin the processor s data table; uses the processor s input- and output-image tables(I and O files).

5 Configured on a per-node basis in the ControlNet I/O map tabledrop cablea cable that connects a node to the trunk cable (this is an integral part of 1786 taps)framesingle data transfer on a ControlNet linkhalf slot addressinga method of addressing where the processor can address its I/O in 1/2 slot I/O groupshigh density i/o modulea Module that provides 16 input or 16 output terminalsI/O Groupan addressing unit that can contain up to 16 input terminals and 16 output terminalsI/O map tabletable that you configure using the programming software to map data from an I/Ochassis and other devices on the ControlNet network to particular data-table fileaddresseslinkcollection of nodes with unique addresses (in the range of 1-99). Segmentsconnected by repeaters make up a link; links connected by bridges make up a networkmap-table entryone entry in the I/O map table that you configure using the programming software tomap data from one I/O chassis (or other device on a ControlNet link) to particulardata-table file addressesmaximum scheduled nodenode with highest network address that can use scheduled time on a ControlNet linkmaximum unscheduled nodenode with highest network address that can use unscheduled time on a ControlNet linknetwork access port (NAP)port that provides a temporary network connection through an RJ-45 connectornetworka series of nodes connected by some type of communication medium.

6 Theconnection paths between any pair of nodes can include repeaters, routers, bridgesand gatewaysnetwork addressa node s address on the network (this replaces MAC ID and node address).nodeport of a physical device connecting to the network which requires a network addressin order to function on the network a link may contain a maximum of 107 nodesnetwork update interval (NUI)single occurrence of the network update time (NUT)network update time (NUT)repetitive time interval in which data can be sent on the ControlNet networknon-discrete I/O data transfertype of data transfer in which blocks of data transferred to or from I/O modules useinteger input and output data-table files that you specify; cannot use the processor sinput- and output-image tables (I and O files); scheduled transfers are configured inthe ControlNet I/O map table, unscheduled transfers make use of ControlNet I/O (CIO)

7 Transfer instructionsone slot addressingA method of addressing where the processor can address its I/O in 1 slot I/O portan input/output port for a device that transmits multiple data and control bits over wiresconnected in parallelPCAn Allen Bradley programmable controller, such as the PLC 5 PCCCP rogrammable Controller Communication Commands, an application-level commandset that Allen-Bradley programmable controllers use to communicate across networksprocessora term used to mean an Allen Bradley programmable controllerquad density i/o modulea Module that provides 32 input or 32 output terminalsredundant mediadual cable system that allows you to receive the best signal over a networkTerminology Used in ThisManual Using This ManualP 3 Publication August 1997 Use this termTo describerepeatertwo-port active physical-layer device that reconstructs and retransmits all traffic ithears on one segment to another segmentremote I/O linka serial link for carrying I/O data between a PLC or SLC processor/scanner andremote I/O adaptersRS-232-C porta serial port that complies with accepted industry standard for serial

8 Binarycommunication circuits in a point-to-point linkscheduled transfersdeterministic and repeatable transfers that are continuous and asynchronous to theladder-logic program scansegmenttrunk-cable sections connected via taps with terminators at each end; a segment does not include repeatersserial porta port that transmits/receives data and control bits sequentially over a singletransmission line (see RS-232-C port)standard density i/o modulea Module that provides up to 8 input terminals or 8 output terminalstapa component that connects products to the ControlNet trunk cable. A tap is requiredfor each node and for both sides of each 75-ohm resistor (mounted in a BNC plug) placed on the ends of segments to preventreflections from occurring at the ends of cablebus or central part of a cable sectionlength of trunk cable between any two tapstwo slot addressinga method of addressing where the processor can address its I/O in 2 slot I/O groupsunscheduled transfersnon-deterministic data transfers through ladder-initiated communication orprogramming devicesWe use these conventions in this Manual :In this Manual , we show:Like this.

9 That there is more information about a topicin another chapter in this manualthat there is more information about the topicin another manualMoreConventions Using This ManualP 4 Publication August 1997 The 1771-ACN15 and 1771-ACNR15 Adapter modules are two ofmany hardware components that make up a programmable controllersystem. The table below lists the hardware components and productswith which you can use the Adapter Hardware ProductsProduct nameDescriptionCatalog numberProcessorsPLC 5/20C15, PLC-5/40C15 and PLC-5/80C15 processors1785-L20C15, 1785-L40C15,L80C15 CommunicationDevicesControlNet KTCx Communication CardControlNet Serial/Parallel Communication InterfaceFlex I/O ControlNet Adapter1771 ControlNet Adapter Module1784-KTC15x1770-KFC1794-ACN15, ACNR151771-ACN15, -ACNR15 Universal I/OChassis4 slot8 slot12 slot16 slot1771 A1, A1B1771 A2, A2B1771 A3B, A3B11771 A4.

10 A4BI/O ModulesBlock transfer modules8 point I/O Standard density I/O modules16 point I/O High density I/O modules 32 point I/O Quad Density I/O modulesAll modules that use the 1771I/O structurePower SuppliesSystem power supplyAuxiliary power SupplyAuxiliary Power Supply Module (120V ac input, 3A)Auxiliary Power Supply Module (120V ac input, 8A)Redundant Power Supply moduleAuxiliary Power Supply Module (24V dc input, 8A)Auxiliary Power Supply Module (220/240V ac input, 8A)Auxiliary Power Supply Module (120/220V ac input, 16A)PLC 2 Power Supply (115V ac input)PLC 2 Power Supply (24V dc input)Local Power SupplyAuxiliary Power Supply (24V dc input)1771 P11771 P21771 P31771 P4, P4S, P4S11771 P4R1771 P51771 P6S, P6S11771 PS71772 P11772 P41774 P11777 P4 Product Compatibility Using This ManualP 5 Publication August 1997 For additional information on planning and installing yourControlNet system, see the following publications:PublicationPublication NumberControlNet PLC-5 Programmable Controllers (Phase ) User Cable System Component Cable System Planning and Installation Coax Tap Installation Network Access Cable Installation Repeater Installation Automation Wiring and Grounding Guidelines for preface gave you information on how to use this manualefficiently.