FieldServer ControlNet FS-8700-24 Release note

Driver Manual

(Supplement to the FieldServer Instruction Manual)

FS-8700-24 ControlNet

APPLICABILITY & EFFECTIVITY

Effective for all systems manufactured after May 1, 2001

Driver Version: 1.06

Document Revision: 7

FS-8700-24 ControlNet Driver Manual Table of Contents

TABLE OF CONTENTS

1. ControlNet Description...................................................................................................3

2. Driver Scope of Supply...................................................................................................4

2.1. Supplied by FieldServer Technologies for this driver ...................................................4

2.2. Provided by the Supplier of 3rd Party Equipment..........................................................4

3. Hardware Connections...................................................................................................5

3.1. Connection Notes.........................................................................................................6

4. Configuring the FieldServer for Unscheduled ControlNet Access with PCCC

messaging .......................................................................................................................7

4.1. Server Side Connection Descriptors.............................................................................7

4.2. ControlNet Node Descriptors........................................................................................8

4.3. Unscheduled Map Descriptors using PCCC messaging ..............................................8

4.3.1. FieldServer Specific Map Descriptor Parameters .....................................................8

4.3.2. Driver Specific Map Descriptor Parameters..............................................................9

4.3.3. Timing Parameters....................................................................................................9

4.3.4. Unscheduled Map Descriptor Example...................................................................10

Appendix A. Advanced Topics............................................................................................11

Appendix A.1. Write-throughs...............................................................................................11

Appendix A.2. Map Descriptor functions...............................................................................11

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 3 of 12

1. ControlNet Description

The ControlNet driver allows the FieldServer to transfer data to and from devices using

ControlNet protocol. The SST 5136-CN-ISA Communications Adapter card is included with the

FieldServer. The FieldServer can communicate using un-scheduled transfers with PCCC

messages embedded in the ControlNet messages.

When the FieldServer originates PCCC messages to communicate with PLC5 controllers, it

uses connected messages. This provides fast reliable communication to the other node. When

another device originates PCCC messaging, the FieldServer will emulate a PLC5 controller

supporting connected or unconnected messages to files N7 through to N32..

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 4 of 12

2. Driver Scope of Supply

2.1. Supplied by FieldServer Technologies for this driver

FieldServer Technologies

PART # Description

SST 5136-CN-ISA Communication Adapter - complete with BNC Tee

Connector

ControlNet Tools CD

ControlNet Module User’s Guide (Version 1.00)

CNF2BSS.EXE utility

FS-8700-24 Driver Manual.

2.2. Provided by the Supplier of 3rd Party Equipment

PART # DESCRIPTION

ControlNet Network with cables and terminators

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 5 of 12

3. Hardware Connections

The FieldServer is connected to the ControlNet Network with 75 ohm coaxial cable. If the

ControlNet is not wired in redundant mode, ensure that all connectors are connected to the

COM A port. A 75 ohm terminator must be placed at either end of the ControlNet Bus.

BASE NAME:

FILE NAME: FS8700-24

FIELDSERVER

CONTROLNET

CONNECTION DIAGRAM

DATE: 11/4/05

BY: MC

(408)-262-2299

FS-x40 SST-5136-CN-ISA

To ControlNet Network

75 O network terminators

75 O T-pieces

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 6 of 12

3.1. Connection Notes

Before connecting the FieldServer to the network, the FieldServer MacId should be set. The

MacId is the term used for a ControlNet station address. The ControlNet MacId of the

FieldServer is set to the System_Station_Address specified in the FieldServer configuration

file.

Section Title

Bridge Column Title Function Legal Values

System_Station_Address Provide MacId for the FieldServer 1-99

Example

// .Bridge Information

Bridge

System_Station_Address

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 7 of 12

4. Configuring the FieldServer for Unscheduled ControlNet Access with PCCC

messaging

For a detailed discussion on FieldServer configuration, please refer to the FieldServer

Configuration Manual. The information that follows describes how to expand upon the factory

defaults provided in the configuration files included with the FieldServer (See “.csv” sample files

provided with the FieldServer).

This section documents and describes the parameters necessary for configuring the FieldServer

to communicate with ControlNet devices using PCCC messaging. This transfer mechanism

would be used to communicate between the FieldServer and PLC-5 controllers.

The configuration file tells the FieldServer about its interfaces, and the routing of data required.

In order to enable the FieldServer for ControlNet communications, the driver independent

FieldServer buffers need to be declared in the “Data Arrays” section, the FieldServer virtual

node(s) needs to be declared in the “Nodes” section, and the data to be transferred needs to be

mapped in the “Unscheduled Map Descriptors” section. Details on how to do this can be found

below.

Note that in the tables, * indicates an optional parameter, with the bold legal value being the

default.

4.1. Server Side Connection Descriptors

Section Title

Connections

Column Title Function Legal Values

Adapter Adapter Name ControlNet

Protocol Specify protocol used ControlNet

Example

// Connections

Connections

Adapter, Protocol

ControlNet, ControlNet

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 8 of 12

4.2. ControlNet Node Descriptors

This section of the configuration file defines the different MacIds of the ControlNet devices

on the network. If you want to transfer the data on the local ControlNet card to the data-

arrays on your FieldServer, typically used when acting as a Server, define a Node_ID with

the same value as the System_Station_Address.

Section Title

Nodes

Column Title Function Legal Values

Node_Name Provide name for node Up to 32 alphanumeric

characters

Node_ID ControlNet MacId of the node

to communicate with 1-99

Protocol Specify protocol used ControlNet

Example

// ControlNet Nodes

Nodes

Node_Name, Node_ID, Protocol

PLC_1, 1, ControlNet

Local, 5, ControlNet

4.3. Unscheduled Map Descriptors using PCCC messaging

Maintained on the SST 5136-CN-ISA card are 32 integer files (N7-N39) that can be read or

written to by other devices on the ControlNet network using PCCC messaging. Client style

Map Descriptors are used to transfer data to or from the file buffers on the card to the Data

Arrays on the FieldServer.

4.3.1. FieldServer Specific Map Descriptor Parameters

Column Title Function Legal Values

Map_Descriptor_Name Name of this Map

Descriptor Up to 32 alphanumeric

characters

Data_Array_Name Name of Data Array One of the Data Array

names from “Data Array”

section above

Data_Array_Offset Starting offset in Data Array 0 to maximum specified in

“Data Array” section above

Function Function of Client Map

Descriptor RDBC, WRBC, WRBX

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

FS-8700-24 ControlNet Driver Manual Page 9 of 12

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

4.3.2. Driver Specific Map Descriptor Parameters

Column Title Function Legal Values

Node_Name Name of Node to

communicate with

One of the node names

specified in “Node Descriptor”

above

Block_Number PLC File Number For local node 7-39

For remote node 1-999

PCCC_Type Type of PCCC data to be

transferred over

ControlNet

UINT, (SINT, INT) (REAL,

FLOAT) (BOOL, BIT, FLAG)

Equal types are shown in

brackets.

Address Starting address within file 0 – 999 ( INT, SINT )

0 – 499 ( REAL, FLOAT )

0 – 15999 ( BOOL, BIT, FLAG )

Length Length of Map Descriptor 1 – 249 ( INT, SINT )

1 – 124 ( REAL, FLOAT )

1 – 3984 ( BOOL, BIT, FLAG )

Note the number of bytes per PCCC_Type:

SINT, INT = 2 bytes, REAL, FLOAT = 4 bytes, BOOL, BIT, FLAG = 8 bits per byte

Each PLC file is 2000 bytes long and therefore the address values will range from zero

to a maximum value as indicated. The start address is specified in increments of the

basic data type specified under PCCC_Type.

The message buffers in the ControlNet card are each 498 bytes long and only one

message buffer can be allocated to a Map Descriptor. The Map Descriptor lengths are

therefore limited to maximum values as indicated when taking the data type byte lengths

into account.

4.3.3. Timing Parameters

Column Title Function Legal Values

Scan_Interval Rate at which data is polled >0.1s

Driver Manual Page 10 of 12

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com

Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]

4.3.4. Unscheduled Map Descriptor Example

The following Map Descriptor will read data from a PLC5.

// Server Side Map Descriptors

Map Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Block_Number, PCCC_Type, Address, Length

A1, DA_AI3, 0, RDBC, PLC5, 7, SINT, 33, 5

The following Map Descriptor will send data to the card to allow other nodes to read the data contained in the FieldServer’s Data

Array.

// Server Side Map Descriptors

Map Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Block_Number, PCCC_Type, LengthAddress,

A1, DA_AI3, 0, WRBC, Local, 7, SINT, 5125,

Offset into the file

(

N7:33

)

(N7:125)

Active Map Descriptor

polls the PLC regularly

(change to WRBC to write) Remote Node

name of the PLC

to poll PLC 5 file number to

read

(

N7:33

)

PLC 5 emulated file

number (7-39)

Node name whose MacId

matches the

System_Station_Address

FS-8700-24 ControlNet

Active Map Descriptor

transfers the data to or

from the card (change to

RDBC to read data

written by other nodes)

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