Rockwell-automation 1203 Serial Communications Module Series B Manual de usuario Pagina 1

UserManualBulletin 1203Serial CommunicationsModule(Series B)RS232/422/483 (Using DF1 Protocol)DH485 (Cat. No. 1203–GD2, –GK2, –GM2)Allen-Bradley

1–2 Product Description1203–5.5 September 1995The SCANport Serial Communications Module is compatible withthe following Allen–Bradley devices:Device

1–3Product Description1203–5.5 September 1995Figure 1.1Open Style Communications ModuleTX (Adapter transmit) when flashingSerial Status1. LED off: ad

1–4 Product Description1203–5.5 September 1995Figure 1.2Enclosed Style Serial-to-SCANport Communications ModulePowerconnectionSCANportconnectorDiagno

1–5Product Description1203–5.5 September 1995Figure 1.3Typical Serial Communications/SCANport Device InterconnectPCPLC... SerialCommunicationsModule

1–6 Product Description1203–5.5 September 1995The Serial Communications Module contains three DIP Switches:SW1, SW2, and SW3 (Figure 1.1 and Figure 1

Chapter 21203–5.5 September 1995InstallationIn this chapter, you will learn how to:• set the module configuration switches• mount the Serial Communic

2–2 Installation1203–5.5 September 1995Factory Switch SettingsThe following table shows the switch settings that are set at thefactory:Switch Setting

2–3Installation1203–5.5 September 1995Switch SW1Switch SW1 is used to select:• serial communications mode (RS–232/RS–422/RS–485/DH–485)• Serial Commu

2–4 Installation1203–5.5 September 1995Use SW1–3, SW1–4, SW1–5, SW1–6, SW1–7, and SW1–8 to setyour address for the Serial Communications Module. The

2–5Installation1203–5.5 September 1995DF1 Address SelectionModuleAddress(Decimal)ModuleAddress(Octal)SW1ONOFFModuleAddress(Decimal)ModuleAddress(Octa

Solid state equipment has operational characteristics differing fromthose of electromechanical equipment. “Safety Guidelines for theApplication, Insta

2–6 Installation1203–5.5 September 1995Switch SW2Switch SW2 is used to select:• baud rate• parity• number of stop bits• point–to–point or multi–drop•

2–7Installation1203–5.5 September 1995Note: If you are using the DH–485 communications mode, settingswitches SW2–4, SW2–5, SW2–6. SW2–7, and SW2–8 h

2–8 Installation1203–5.5 September 1995Switch SW3Switch SW3 is used to select:• logic command/status and reference/feedback• datalinks (up to four da

2–9Installation1203–5.5 September 1995Use SW3–4 to enable and disable Datalink C messaging:SW3 FunctionO–87654321Disable Datalink C messaging.O–87654

2–10 Installation1203–5.5 September 1995The Serial Communications Module can be provided in threemounting configurations:• Open style board, factory

2–11Installation1203–5.5 September 1995Enclosed Style Communications Module Mounting Location (1336 FORCE and 1336 PLUS Drives)2345JOGESC SELSCANport

2–12 Installation1203–5.5 September 1995Enclosed Style Serial Communications Module DimensionsDIN Rail45mm(1.8)Back View(4.8)123mmSide View(1.8)45mm(

2–13Installation1203–5.5 September 1995This section provides information that you need to connect the cablesto your Serial Communications Module.Impo

2–14 Installation1203–5.5 September 1995IBM PC Compatible Serial ConnectionsCommunications Module9-Pin D-Shell123459876543216789COMN.C.TXN.C.RXN.C.N.

2–15Installation1203–5.5 September 1995PLC5 Channel 0 Serial ConnectionsSerial Communications Module to PLC5 RS–232Serial Port Connection DiagramAB04

Who Should Use this Manual P–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . Purpose of this Manual P–1. . . . . . . . . . . . . . . . . . .

2–16 Installation1203–5.5 September 1995Cable RequirementsSCANport cables are available in either male–to–male or male–to–female configuration. You

2–17Installation1203–5.5 September 19951336 PLUS and 1336 FORCERefer to the product manual for connection information. On largerhorsepower 1336 PLUS

2–18 Installation1203–5.5 September 1995The Enclosed Communications Module is powered from a separate24V DC or 115/230V AC power supply (as shown bel

Chapter 31203–5.5 September 1995SCANport Datalink OperationIn this chapter, you will read about SCANport Datalinks.A Datalink is a type of pointer fu

3–2 SCANport Data Link Operation1203–5.5 September 1995

Chapter 41203–5.5 September 1995Configuring and InterfacingThis chapter provides you with information on how the SerialCommunications Module communic

4–2 Configuring and Interfacing1203–5.5 September 1995Supported PCCC Command ListThe Serial Communications Module supports the following PCCCCommands

4–3Configuring and Interfacing1203–5.5 September 1995Data Table StructureThe Serial Communications Module provides the following datatable structures

4–4 Configuring and Interfacing1203–5.5 September 1995Important: The following two tables list the typical control andstatus structure. You should r

4–5Configuring and Interfacing1203–5.5 September 1995The following is the data table structure for PLC–2 style addressing:ParameterNumberPLC–2 Style

Table of ContentsiiChapter 3Chapter Objectives 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SCANport Datalinks 3–1. . .

4–6 Configuring and Interfacing1203–5.5 September 1995The following is the data table structure for the SerialCommunications Module:Parameter Number

4–7Configuring and Interfacing1203–5.5 September 1995The data tables have up to eight areas, each having a differentpurpose.1. Parameter Value Read o

4–8 Configuring and Interfacing1203–5.5 September 1995– Datalink A1. Writing to Datalink A1 sends a value to theparameter pointed to by the DataIn A1

4–9Configuring and Interfacing1203–5.5 September 1995DF1 Messaging with a PLC–5/80 ExampleThis example reads parameters 1 through 50.Ladder rung exam

4–10 Configuring and Interfacing1203–5.5 September 1995Notes:• I:000/00 is any application–related conditioning logic.• MG20:0.EN is the enabled stat

4–11Configuring and Interfacing1203–5.5 September 1995DF1 Messaging with a 1746–BAS Module ExampleThis example accepts a parameter number and a value

4–12 Configuring and Interfacing1203–5.5 September 1995550 REM ****************************************************************560 REM ********

4–13Configuring and Interfacing1203–5.5 September 1995DH–485 Messaging with a SLC5/03 InterfaceThe following example uses the DH–485 communications m

4–14 Configuring and Interfacing1203–5.5 September 1995Rung 2:2When the timer is done, the MSG instruction is enabled.| TON Done –

Chapter 51203–5.5 September 1995Block Transfer EmulationInstructionsThis chapter contains the header and data configurations that youneed to set up t

Preface1203–5. 5 September 1995PrefaceRead this preface to familiarize yourself with the rest of the manual.This preface covers the following topics:

5–2 1203–5.5 September 1995The Scattered Parameter Value Read function reads a scattered list ofparameters.PLC Block Transfer Emulation Instruction

5–3Block Transfer Emulation Instructions1203–5.5 September 1995Message OperationScattered Parameter Value Read reads a pre–defined group ofparameter

5–4 1203–5.5 September 1995The Scattered Parameter Value Write function writes to a scatteredlist of parameters and returns the status of each param

5–5Block Transfer Emulation Instructions1203–5.5 September 1995Message OperationThe Scattered Parameter Value Write function writes data values to ap

5–6 1203–5.5 September 1995The Product ID Number Read function returns the product ID of thedevice to which the Serial Communications Module is conn

5–7Block Transfer Emulation Instructions1203–5.5 September 1995ExampleIn this example, the Product ID Number Read was requested. Thedrive response c

5–8 1203–5.5 September 1995The Parameter Read Full function provides all known attributes forthe parameters requested. This information includes th

5–9Block Transfer Emulation Instructions1203–5.5 September 1995Message Structure (Continued)DataWord 15DataWord 16File, Group, ElementMinimum ValueDr

5–10 1203–5.5 September 1995This example shows the response message N10:90 through N10:112in both binary and ASCII. Note the ASCII information begi

5–11Block Transfer Emulation Instructions1203–5.5 September 1995The Parameter Value Read function reads the 16–bit parameter datavalue for the select

P–21203–5.5 September 1995Contents of this ManualChapter Title ContentsPrefaceDescribes the purpose, background, and scope ofthis manual. Also speci

5–12 1203–5.5 September 1995The Parameter Value Write message writes a 16–bit parameter datavalue to the selected parameter number.PLC Block Transfe

5–13Block Transfer Emulation Instructions1203–5.5 September 1995The EE Memory Functions message activates the specified EEfunctions.PLC Block Transfe

5–14 1203–5.5 September 1995ExampleThis example requests that an EEPROM Save function beperformed.Data File Format 0N10:10N10:901234 5678 9* Example

5–15Block Transfer Emulation Instructions1203–5.5 September 1995The Fault Clear/Reset message activates the Clear Fault, Clear FaultQueue, and Drive

5–16 1203–5.5 September 1995This function reads the contents of the specified fault queue entry. Amessage is returned which includes the fault text

5–17Block Transfer Emulation Instructions1203–5.5 September 1995Message OperationFault Queue Entry Read Full reads the contents of the fault queuespe

5–18 1203–5.5 September 1995The Fault Queue Size function gets the number of fault entriesallowed in the fault queue.PLC Block Transfer Emulation In

5–19Block Transfer Emulation Instructions1203–5.5 September 1995The Trip Fault Queue Number provides the fault queue number ofthe fault that caused t

5–20 1203–5.5 September 1995

Chapter 61203–5.5 September 1995TroubleshootingUse this chapter to help you troubleshoot your SerialCommunications Module system using the LED indica

Preface P–31203–5.5 September 1995The following terms and abbreviations are specific to this product.For a complete listing of Allen–Bradley terminol

6–2 Troubleshooting1203–5.5 September 1995!ATTENTION: Servicing energized industrial controlequipment can be hazardous. Electrical shock, burns,or

Chapter 71203–5.5 September 1995SpecificationsThis chapter provides you with background information andspecifications that you may need to install or

7–2 Specifications1203–5.5 September 1995

1203–5.5 September 1995Template revised June 23,1995Allen-Bradley, a Rockwell Automation Business, has been helping its customers improveproductivity

P–41203–5.5 September 1995This Serial Communications Module is intended for use with devicesthat communicate via the following protocols:Hardware Sta

Chapter 11203–5.5 September 1995Product DescriptionIn this chapter, you will read about:• Serial Communications Module features• the location of conf