FieldServer Modbus Daniels FS-8700-15 Note de version

ASierraMonitorCompany

Driver Manual

(Supplement to the FieldServer Instruction Manual)

FS-8700-15 Modbus Daniels

APPLICABILITY & EFFECTIVITY

Effective for all systems manufactured after May 1, 2001

FS-8700-15 Modbus Daniels Manual Index

TABLE OF CONTENTS

1. Modbus Daniels Description............................................................................................1

2. Driver Scope of Supply.....................................................................................................1

2.1. Supplied by FieldServer Technologies for this driver ...................................................1

2.2. Provided by the Supplier of 3rd Party Equipment ..........................................................1

2.2.1. Required 3rd Party Configuration ...............................................................................1

3. Hardware Connections .....................................................................................................2

3.1. Hardware Connection Tips / Hints................................Error! Bookmark not defined.

4. Configuring the FieldServer as a Modbus Daniels Client .............................................2

4.1. Data Arrays/Descriptors ...............................................................................................3

4.2. Client Side Connection Descriptions ............................................................................3

4.3. Client Side Node Descriptors .......................................................................................4

4.4. Client Side Map Descriptors .........................................................................................5

4.4.1. FieldServer Related Map Descriptor Parameters......................................................5

4.4.2. Driver Related Map Descriptor Parameters ..............................................................5

4.4.3. Timing Parameters ....................................................................................................5

4.4.4. Map Descriptor Example. ..........................................................................................6

5. Advanced Topics ..............................................................................................................7

6. Driver Notes.......................................................................................................................7

7. Troubleshooting tips ............................................................Error! Bookmark not defined.

7.1. Connection Tips & Hints ...............................................Error! Bookmark not defined.

8. Revision History................................................................................................................7

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-8700-15 Modbus Daniels Manual Page 1 of 7

1. Modbus Daniels Description

The Modbus Daniels driver allows the FieldServer to transfer data to and from devices over

either RS-232 or RS-485 using Modbus Daniels protocol. The FieldServer can only emulate a

Client.

Modbus Daniels is an inclusion into Modbus ASCII, allowing floats to be used. Modbus Daniels

is designed to support floats in the address range 7000 to 7999. The "Double" data type is not

supported. Other standard Modbus data types are supported.

Max Nodes Supported

FieldServer Mode Nodes Comments

Client 255

The maximum achievable number of devices on the

network may be less depending on device loading and

network speed characteristics. Only one client device

allowed on multidrop systems.

2. Driver Scope of Supply

2.1. Supplied by FieldServer Technologies for this driver

FieldServer Technologies

PART # Description

FS-8915-10 UTP cable (7 foot) for RS_232 use

FS-8917-01 RJ45 to DB25M connection adapter

SPA59132 RS-485 connection adapter

- Driver Manual.

2.2. Provided by the Supplier of 3rd Party Equipment

2.2.1. Required 3rd Party Configuration

The Modbus Daniels device must be set to use Modbus ASCII protocol.

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-8700-15 Modbus Daniels Manual Page 2 of 7

3. Hardware Connections

The FieldServer is connected to the Modbus Daniels device as shown in the connection

drawing.

Configure the Modbus Daniels device according to manufacturer’s instructions.

4. Configuring the FieldServer as a Modbus Daniels Client

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

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

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-8700-15 Modbus Daniels Manual Page 3 of 7

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

sample files provided with the FS).

This section documents and describes the parameters necessary for configuring the

FieldServer to communicate with a Modbus Daniels Server.

4.1. Data Arrays/Descriptors

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

required. In order to enable the FieldServer for Modbus Daniels communications, the driver

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

destination device addresses need to be declared in the “Client Side Nodes” section, and

the data required from the servers needs to be mapped in the “Client Side 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.

Section Title

Data_Arrays

Column Title Function Legal Values

Data_Array_Name Provide name for Data Array Up to 15 alphanumeric

characters

Data_Array_Format

Provide data format. Each Data

Array can only take on one

format.

Float, Bit, UInt16,

SInt16, Packed_Bit,

Byte, Packed_Byte,

Swapped_Byte

Data_Array_Length

Number of Data Objects. Must be

larger than the data storage area

required by the Map Descriptors

for the data being placed in this

array.

1-10,000

Example

// Data Arrays

Data_Arrays

Data_Array_Name, Data_Format, Data_Array_Length,

DA_AI_01, UInt16, 200

DA_AO_01, UInt16, 200

DA_DI_01, Bit, 200

DA_DO_01, Bit, 200

4.2. Client Side Connection Descriptions

Section Title

Connections

Column Title Function Legal Values

Port Specify which port the FS-X40 Serves: P1-P8, R1-R2

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-8700-15 Modbus Daniels Manual Page 4 of 7

device is connected to the

FieldServer

FS-X20 Serves: Serial Port

Protocol Specify protocol used Modbus_Daniels

Baud* Specify baud rate 110 – 115200, standard baud

rates only, 9600

Parity* Specify parity Even, Odd, None, Mark,

Space

Data_Bits* Specify data bits 7, 8

Stop_Bits* Specify stop bits 1

Handshaking* Specify hardware

handshaking RTS, RTS/CTS, None

Poll _Delay* Time between internal polls 0-32000 seconds, 1 second

Example

// Client Side Connections

Connections

Port, Protocol, Baud, Parity, Handshaking, Poll_Delay

P1, Modbus_Daniels, 9600, Even, None, 0.100s

4.3. Client Side Node Descriptors

Section Title

Nodes

Column Title Function Legal Values

Node_Name Provide name for node Up to 32 alphanumeric

characters

Node_ID Modbus station address of

physical server node 1-255

Protocol Specify protocol used Modbus_Daniels

Connection Specify which port the device is

connected to the FieldServer

FS-X40 Serves: P1-P8, R1-R2

FS-X20 Serves: Serial Port

Example

// Client Side Nodes

Nodes

Node_Name, Node_ID, Protocol, Connection

PLC 1, 1, Modbus_Daniels, P1

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-8700-15 Modbus Daniels Manual Page 5 of 7

4.4. Client Side Map Descriptors

4.4.1. FieldServer Related Map Descriptor Parameters

Section Title

Map Descriptors

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

where data is to be

stored in the

FieldServer

One of the Data Array

names from “Data Array”

section above

Data_Array_Offset Starting location in

Data Array

0 to maximum specified in

“Data Array” section above

Function Function of Client Map

Descriptor RDBC, WRBC, WRBX

4.4.2. Driver Related Map Descriptor Parameters

Section Title

Map Descriptors

Column Title Function Legal Values

Node_Name Name of Node to fetch

data from

One of the node names

specified in “Client Node

Descriptor” above

Data_Type* Data type Register, Coil, AI, DI

Length Length of Map

Descriptor

1-125 (Register, AI)

1-800 (Coil, DI)

Address Starting address of

read block

0000 – 6999 ( Coil )

7000 – 7999 ( Float )

10000 ( DI )

30000 ( AI )

40000 – 49999 ( Register)

Data_Array_Low_Scale* Scaling zero in Data

Array -32767 to 32767, default 0

Data_Array_High_Scale* Scaling max in Data

Array

-32767 to 32767, default

100

Node_Low_Scale* Scaling zero in

Connected Node -32767 to 32767, default 0

Node_High_Scale* Scaling max in

Connected Node

-32767 to 32767, default

100

4.4.3. Timing Parameters

Section Title

Map Descriptors

Column Title Function Legal Values

Scan_Interval Rate at which data is

polled

≥0.001s

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-8700-15 Modbus Daniels Manual Page 6 of 7

4.4.4. Map Descriptor Example.

Section Title

Map Descriptors

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Address, Length, Scan_Interval

CMD_AI, DA_AI, 0, RDBC, PLC 1, 30000, 20, 1s

The remote

Modbus Daniels

device is

specified here

with the node

name previously

declared under

the nodes

section.

The data array

where the read

data will be

stored is

specified here.

This data array

and its format

must be

specified under

the data arrays

section.

Note the use of

the RDBC

function here

which will

cause this map

descriptor to

continuously

read data every

scan interval

from the

remote device.

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-8700-15 Modbus Daniels Manual Page 7 of 7

5. Advanced Topics

None.

6. Driver Notes

None.

7. Revision History

Date Driver

Version

Document

Revision Resp Comment

10/03/03 1.00d 0 JD Releasing

10/13/03 1.00d 1 MF Updating formatting. Adding Description

information – DUR0212

12/09/03 1.00d 2 DR DUR0220, updated to new format, indicate

address ranges and data types supported

12/23/03 1.00d 3 JD Releasing

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]

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