Benutzeranleitung / Produktwartung 170 PNT Series des Produzenten Momentum Sales & Marketing
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31002940.00 170 PNT Series Modbus Plus Communication Adapters for Momentum User Guide 870 USE 10 3 00 Version 2. 0 310029 40 00.
2 870 USE 1 03 00 May 2 001.
3 Tabl e of C ont e nts About the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 At a Glance . . . . . .
4 870 USE 1 03 00 May 2 001.
870 USE 10 3 00 Januar y, 2001 5 About the Boo k At a Glance Document Sc ope This man ual de scribes the fun ctiona lity o f the 170 PN T Seri es Modbu s Plus Commun ic ati on Adap ters .
6 870 USE 1 03 00 May 2 001 Product Related Warnings Sch neider Electric assum es no respo nsibilit y for any er rors th at may appe ar in th is documen t. If yo u have any sug gestio ns for improvem ents or amendm ents o r have found errors in th is public ation , please notify us.
870 USE 10 3 00 May 2001 7 1 Introduction At a Glance Purpose Thi s chapter gives an overv iew of the Mo mentum Modbus Plus Co mmun ication Adapter mod els 170 PNT 110 20 and 1 70 PNT 16 0 20 and d escribes their s tatus indi cato rs, addr ess swi tches , port s and cabl ing.
Introduction 8 870 USE 1 03 00 May 2 001 Product Overview Overv iew This secti on provi des an overv iew of t he fe at ures and func tion of the Mo mentu m Mod b us Pl us Comm unic atio n Adapt ers. Funct ion The Modbu s Plus Com muni cation Adapters can be connected to an y Momentu m I/ O base t o cr eate a functi onal I /O mo dule.
Introduction 870 USE 10 3 00 May 2001 9 Environment al Specif ication The ad apter conform s to the env ironm ental sp ecific ation for th e I/O b ase u pon wh ich it is mou nted. For f urther in formation refer to the Mome ntum I /O Bases User Manual, p art numbe r 870 U SE 002 00.
Introduction 10 870 USE 1 03 00 May 2 001 Status I ndicator s Overv iew This sect ion de scribes the s tatus i n dicat ors fo r each model , gives a diagr am of the indicato rs, and ex plain s how to in terpret th e indica tor patt erns. Indicators Eac h mod el has a f ront panel ind icato r showin g its network comm unicatio n statu s.
Introduction 870 USE 10 3 00 May 2001 11 Modbus Pl us Channel Error Indicators Model 17 0 PNT 160 20 dis plays th e follow ing error i ndica tor patte rns: Indicator (Red) Status Channel A Er ror Communications error at network port A. Channel B Er ror Communications error at network port B.
Introduction 12 870 USE 1 03 00 May 2 001 Address Switches Overv iew This sect ion des cribes the ad dress switche s and explai ns how to us e them to set the module a ddress . Two R o tar y Switches Each Mod bus Plu s Commun icatio n Adapter h as two ro tary sw itches on the lo wer left portion of the fron t panel.
Introduction 870 USE 10 3 00 May 2001 13 Example of No de Addr ess Assign ment The figure below s hows ty pical ad dress as signmen ts for a network with one controlle r and fo ur com municati on ada pters.
Introduction 14 870 USE 1 03 00 May 2 001 Setting the Switches The fig ure below illustr ates ho w to se t a Modbu s Plus N ode Addr ess. Do not in stal l any adap ter unless you h ave set it s Modbus PLus address for your app lication.
Introduction 870 USE 10 3 00 May 2001 15 Ports and Cabling Over view This sec tion provide s info rmation about ports and ca bling for t he Momentum Modbus Pl us Communic ation Adapter s . Ports Model 17 0 PN T 1 10 20 h as on e M odb us Plu s p ort f or c on nec tio n to a n etwo r k wi th a single trunk cable.
Introduction 16 870 USE 1 03 00 May 2001.
870 USE 10 3 00 May 2001 17 2 Assembling a Communications Adapter and I/O Base At a Glance Purpose Thi s chapter explains how a Co mmunication Ad apter connects with an I/O base , how to assem ble a module, and how to label the assem bled module. It als o includes a proce dure for disa ssembli ng a module.
Assembling Adapter and I/O Base 18 870 USE 1 03 00 May 2001 Connections Bet ween the Adapter and I / O Base Overv iew This se ction expl ains the connections between a C ommunication Adapter and an I/ O base.
Assembling Adapter and I/O Base 870 USE 10 3 00 May 2001 19 Assembling the I/O Base and the Adapter Over view This secti on conta ins sa fety prec aution s for hand ling co mpone nts and a pro cedure for assembl ing an I/O base and an adapter .
Assembling Adapter and I/O Base 20 870 USE 1 03 00 May 2001 3 Align the two plastic snap extensions on the Adapter with the slots on the sides of the I/O base.
Assembling Adapter and I/O Base 870 USE 10 3 00 May 2001 21 Labeling the Assembled Mod ule Over view A front pane l l abel is su ppl ied with each I/O base.
Assembling Adapter and I/O Base 22 870 USE 1 03 00 May 2001 Disassembling an Adapter from an I/O Base Overv iew This secti on cont ains safe ty prec autio ns and a proc edur e for di sass em bli ng an adap ter f rom an I /O base . Tools Requ ired A flat-he ad screw driv er may be needed to di sassem ble the unit.
Assembling Adapter and I/O Base 870 USE 10 3 00 May 2001 23 3 Use a sc rewdriver to push the clips on both sides of the adapter inward, as shown in the illustr a tion below.
Assembling Adapter and I/O Base 24 870 USE 1 03 00 May 2001.
870 USE 10 3 00 May 2001 25 3 Using Modbu s Plus for D istributed I/O Servic ing At a Glance Purpose Thi s cha pter explains ho w best to con figure a netw ork for efficient servicing o f distribute d I/O.
Modbus Plus for DIO Servicing 26 870 USE 1 03 00 May 2001 Strategi es for Dist ributed I/O Servicing Overv iew Modbus Plus network s can be used to service multi-pur pose control application s, or they can be organiz ed for the mos t efficient s ervicin g of distribu ted I/O devic es.
Modbus Plus for DIO Servicing 870 USE 10 3 00 May 2001 27 Network Configurat ion Over view This sec tion contain s guidel ines for conf igurin g a Modbus Plus network for distribute d I/O servic ing.
Modbus Plus for DIO Servicing 28 870 USE 1 03 00 May 2001 Modbus Plus Network Layouts Overv iew This sec tion provide s tw o examples of M odbus Pl us network lay outs using com munic ation adapt ers i n a dist ribu t ed I/O contr ol app licat ion.
Modbus Plus for DIO Servicing 870 USE 10 3 00 May 2001 29 Dual Cable Example The example below illustrate s a dual c able config uration. Networ k T r unk Cable A Networ k T r unk Cable B Programmable.
Modbus Plus for DIO Servicing 30 870 USE 1 03 00 May 2001.
870 USE 10 3 00 May 2001 31 4 How Com munication Adapters Handle Messages At a Glance Purpose Thi s cha pter describe s how messages are defined in the applicati on and how message s are transac ted on the ne twork.
Communication Adapter Message Handling 32 870 USE 1 03 00 May 2001 How Messages Are Defined in the Application Overv iew This sec tion describes where and how messages a re defined in the applic ation. Pee r Cop T able The user defin es I / O mes sa ge trans ac tio ns in the Peer Cop tabl e of the controller.
Communication Adapter Message Handling 870 USE 10 3 00 May 2001 33 How Messages are Transacted Over view This sec tion expl ains how a Communic ation Adap ter relays informatio n betwee n its I/O base and a programma ble controller. The Right to Tran smit A token frame is passed from node to node in a rotating a ddres s sequen ce.
Communication Adapter Message Handling 34 870 USE 1 03 00 May 2001.
870 USE 10 3 00 May 2001 35 5 Communication Access Registers At a Glance Purpose Thi s cha pter describe s the three ty pes of co mmunication a ccess regi sters.
Communication Access Registers 36 870 USE 1 03 00 May 2001 Overview of Register Types Purpose Each ad apter conta ins three gro ups of in ternal re gist ers th at enabl e the app licat ion program to communicate with the I/O ba se module. This sect ion des c ribes the three register types, t heir functions a nd how they are access ed.
Communication Acces s Registers 870 USE 10 3 00 May 2001 37 Diagram of Register Typ e s The three g roups of intern al registers are illustrated in th e diagram below.
Communication Access Registers 38 870 USE 1 03 00 May 2001 Data Registers Overv iew This sectio n describes th e use, field len gth and access to data registers . Use Starting reference 40001 (hex) is used to add ress input data from field input s and output data to field out puts.
Communication Acces s Registers 870 USE 10 3 00 May 2001 39 Configurati on Regist ers Over view This secti on describe s the functio n and paramete rs for module timeo ut and module ownersh ip registers.
Communication Access Registers 40 870 USE 1 03 00 May 2001 Not e that thi s 60-se cond Wr ite P rivil ege ti me r is sep a rate from the O utputs Holdu p timer, and applies on ly to t he write p rivilege. An y node may read the input dat a or status in formati on fr om the a dapter.
Communication Acces s Registers 870 USE 10 3 00 May 2001 41 Status Registers Over view This sec tio n de sc rib es the functio n a nd p arameters of th e m od ule sta t us bl oc k a nd the ASCII h eader block.
Communication Access Registers 42 870 USE 1 03 00 May 2001 ASCII Header Block Function Th ese re gi ster s cont ai n an A SCII te xt desc riptio n of t he modul e. ASCII Header Block Parameters The block length depe nds upon the ty pe of I/O bas e to which the adapter is conn ected .
Communication Acces s Registers 870 USE 10 3 00 May 2001 43 Examples of an ASCII Header Block The figure below shows two examples of an ASCII Header Block .
Communication Access Registers 44 870 USE 1 03 00 May 2001.
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