
A Sierra Monitor Company
Driver Manual
(Supplement to the FieldServer Instruction Manual)
FS-8700-42 Spectronics
APPLICABILITY & EFFECTIVITY
Effective for all systems manufactured after May 1, 2001
Driver Version: 1.00
Document Revision: 4

FS-8700-42_Spectronics Driver Manual Table of Contents
Table of Contents
1. Spectronics Description .....................................................................................................3
2. Driver Scope of Supply.......................................................................................................4
2.1. Supplied by FieldServer Technologies for this driver .....................................................4
2.2. Provided by Supplier of 3rd Party Equipment..................................................................4
3. Hardware Connections........................................................................................................5
4. Configuring the FieldServer as a Spectronics Client.......................................................6
4.1. Data Arrays/Descriptors .................................................................................................6
4.2. Client Side Connection Descriptors................................................................................7
4.3. Client Side Node Descriptors .........................................................................................7
4.4. Client Side Map Descriptors ...........................................................................................8
4.4.1. FieldServer Related Map Descriptor Parameters....................................................8
4.4.2. Driver Related Map Descriptor Parameters ............................................................8
4.4.3. Timing Parameters..................................................................................................8
4.4.4. Map Descriptor Example.........................................................................................9
5. Configuring the FieldServer as a Spectronics Server....................................................10
5.1. Server Side Connection Descriptors ............................................................................10
5.2. Server Side Node Descriptors ......................................................................................11
5.3. Server Side Map Descriptors........................................................................................ 11
5.3.1. FieldServer Specific Map Descriptor Parameters..................................................11
5.3.2. Driver Specific Map Descriptor Parameters ..........................................................11
5.3.3. Map Descriptor Example.......................................................................................12
Appendix A. Advanced Topics – Spectronics ....................................................................13
Appendix A.1. Default Data Types........................................................................................13
Appendix A.2. Single Writes ................................................................................................. 13
Appendix A.3. Write-Thru Operation.....................................................................................13
Appendix A.4. Connection to York Modbus Microgateway...................................................14
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: support@fieldserver.com

FS-8700-42_Spectronics Driver Manual Page 3 of 15
1. Spectronics Description
The Spectronics driver allows the FieldServer to transfer data to and from devices over either
RS-232 or RS-485 using Spectronics protocol. The FieldServer can emulate either a Server or
Client.
The information that follows describes how to expand upon the factory defaults provided in the
configuration files included with the FieldServer.
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: support@fieldserver.com

FS-8700-42_Spectronics Driver Manual Page 4 of 15
2. Driver Scope of Supply
2.1. Supplied by FieldServer Technologies for this driver
FieldServer Technologies
PART #
FS-8915-10 7’ Patch Cable
FS-8917-01 RJ45 to DB25M connector adapter
FS-8700-01 Driver Manual
Description
2.2. Provided by Supplier of 3rd Party Equipment
PART # DESCRIPTION
Spectronics 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: support@fieldserver.com

FS-8700-42_Spectronics Driver Manual Page 5 of 15
3. Hardware Connections
It is possible to connect a Spectronics device to any of the existing serial ports on the
FieldServer
1
. These ports simply need to be configured for Spectronics in the configuration file.
Configure the Spectronics device according to manufacturer’s instructions.
8917-01 WIRE LIST
RX RJ45-01 DB25M-03 WHITE
CTS RJ45-02 DB25M-05 BROWN
DSR RJ45-03 YELLOW
GND RJ45-04 DB25M-07 GREEN
GND RJ45-05 RED
DTR RJ45-06 BLACK
RTS RJ45-07 DB25M-04 ORANGE
TX RJ45-08 DB25M-02 BLUE
8917-04 WIRE LIST
RX RJ45-01 DB25F-02 WHITE
CTS RJ45-02 DB25F-04 BROWN
DSR RJ45-03 YELLOW
GND RJ45-04 DB25F-07 GREEN
GND RJ45-05 RED
DTR RJ45-06 BLACK
RTS RJ45-07 DB25F-05 ORANGE
TX RJ45-08 DB25F-03 BLUE
8917-03 WIRE LIST
RX RJ45-01 DB9M-0 2 GREY
CTS RJ45-02 DB9M08 BROWN
DSR RJ45-03 DB9M-06 YELLOW
GND RJ45-04 DB9M-05 GREEN
GND RJ45-05 RED
DTR RJ45-06 DB9M-04 BLACK
RTS RJ45-07 DB9M-07 ORANGE
TX RJ45-08 DB9M-03 BLUE
Typical DB9/DB25
kit assemblies are
shown here. Refer
to the third party
device literature
for exact
configuration
required.
DB25M
DB25F
DB9M
FUNCTION FROM TO COLOUR
FUNCTION FROM TO COLOUR
FUNCTION FROM TO COLOUR
DB9F
RJ45 Connector
OR
RS-485
network
Connect
to 2-wire
EIA232
RJ45 to
Connector
FUNCTION FROM TO COLOUR
8917-02 WIRE LIST
Rx RJ45-01 DB9F-03 WHITE
GND RJ45-04 DB9F-05 GREEN
Tx RJ45-08 DB9F-02 BLUE
(408)-262-2299
FIELDSERVER
MODBUS RTU
CONNECTION DIAGRAM
BASE NAME:
FILE NAME:
1
Not all ports shown are necessarily supported by the hardware. Consult the appropriate Instruction
DATE: 4/20/04
BY: MC
manual for details of the ports available on specific hardware.
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: support@fieldserver.com