FieldServer Computer Drive FS 8700 87 User Manual

A Sierra Monitor Company  
Driver Manual  
(Supplement to the FieldServer Instruction Manual)  
FS-8700-87 SDD16  
APPLICABILITY & EFFECTIVITY  
Effective for all systems manufactured after May 1, 2001  
Driver Version:  
1.03  
Document Revision: 6  
 
FS-8700-87 SDD16 Driver Manual  
Page 3 of 10  
1.  
SDD16 Description  
The SDD16 driver allows the FieldServer to transfer data to and from devices over RS-485  
using SDD16 protocol. The FieldServer can only emulate a Client.  
The SDD16 driver is used to communicate with a digital I/O module model 485SDD16. The  
current driver only supports reading the status of all sixteen digital input lines. The SDD16  
driver in conjunction with the 485SDD16 module allows the FieldServer to sense external  
On/Off conditions and to control a variety of devices.  
The SDD16 driver makes use of the data complement mode feature of the 485SDD16 module.  
In data complement mode the driver and module communicates with double the amount of data  
bytes to enable better error detection in noisy electrical environments.  
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-8700-87 SDD16 Driver Manual  
Page 4 of 10  
2.  
Driver Scope of Supply  
2.1. Supplied by FieldServer Technologies for this driver  
FieldServer Technologies PART #  
Description  
FS-8700-87  
Driver Manual.  
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-8700-87 SDD16 Driver Manual  
Page 5 of 10  
3.  
Hardware Connections  
The FieldServer is connected to the RS-485 SDD16 module as shown below.  
Configure the RS-485 SDD16 module according to manufacturer’s instructions. Note that the  
module auto-detects valid baud rates as defined in the client side connections.  
RS-485 2-wire Connection  
FieldServer  
485SDD16  
TD(A  
-
)
TD(B  
)
R1  
+
RD(  
A)  
RD(  
B)  
100  
100  
GND  
GND  
1/2  
W
1/2  
W
485SDD16  
TD(A  
)
TD(B  
)
RD(  
A)  
RD(  
B)  
100  
GND  
1/2  
W
(408)-262-2299  
FIELDSERVER  
SDD16  
CONNECTION DIAGRAM  
DATE: 5/31/01  
BY: MN  
BASE NAME:  
FILE NAME: T28700-56.VSD  
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-8700-87 SDD16 Driver Manual  
Page 6 of 10  
4.  
Configuring the FieldServer as a SDD16 Client  
For a detailed discussion on FieldServer configuration, please refer to the configuration manual  
for the FieldServer. 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 a SDD16 Server.  
The configuration file tells the FieldServer about its interfaces, and the routing of data required.  
In order to enable the FieldServer for SDD16 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.  
4.1.  
Data Arrays  
Section Title  
Data_Arrays  
Column Title  
Function  
Legal Values  
Up to 15 alphanumeric  
characters  
Data_Array_Name  
Provide name for Data Array  
FLOAT, BIT, UInt16,  
Provide data format. Each data array SInt16, Packed_Bit, Byte,  
Data_Format  
Packed_Byte,  
can only take on one format.  
Swapped_Byte  
Number of Data Objects. Must be  
larger than the data storage area  
required for the data being placed in  
this array.  
Data_Array_Length  
1-10,000  
Example  
//Data Arrays  
//  
Data_Arrays  
Data_Array_Name,  
Digitals_01,  
Data_Format,  
Bit,  
Data_Array_Length  
16  
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-8700-87 SDD16 Driver Manual  
Page 7 of 10  
4.2.  
Client Side Connection Descriptors  
Section Title  
Connections  
Column Title  
Function  
Legal Values  
R1-R2  
FSx40 Servers  
FSx20 Servers  
Specify which port the device is  
connected to the FieldServer  
Port  
Baud  
Parity*  
Specify baud rate  
Specify parity  
1200, 2400, 4800, 9600  
None  
Data_Bits*  
8
1
Specify data bits  
Stop_Bits*  
Protocol  
Specify stop bits  
Specify protocol used  
Specify hardware handshaking  
SDD16  
None  
Handshaking*  
Line_Drive_On  
Time to wait before driving line 0.001s  
Time to wait before releasing  
line  
Time between internal polls  
Line_Drive_Off  
Poll _Delay*  
0s  
0-32000 seconds,1 second  
Example  
// Client Side Connections  
Connections  
Port, Baud, Parity, Protocol, Handshaking, Poll_Delay, Line_Drive_On, Line_Drive_Off  
R1,  
9600, None, SDD16,  
None,  
0.100s,  
0.001s,  
0s  
4.3.  
Client Side Node Descriptors  
Section Title  
Nodes  
Column Title  
Function  
Legal Values  
Up to 32 alphanumeric  
characters  
0-255 (48 is default address  
on module)  
Node_Name  
Provide name for node  
Module address  
Node_ID  
Protocol  
Specify protocol used  
SDD16  
Specify which port the device  
Port  
R1-R2  
the  
is  
connected  
to  
FieldServer  
Example  
// Client Side Nodes  
Nodes  
Node_Name,  
Module_1,  
Node_ID,  
48,  
Protocol,  
SDD16,  
Port  
R1  
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-8700-87 SDD16 Driver Manual  
Page 8 of 10  
4.4.  
4.4.1.  
Client Side Map Descriptors  
FieldServer Related Map Descriptor Parameters  
Column Title Function Legal Values  
of this  
Name  
Descriptor  
Map Up to 32 alphanumeric  
characters  
Map_Descriptor_Name  
Name of Data Array where One of the Data Array  
data is to be stored in the names from “Data Array”  
Data_Array_Name  
FieldServer  
section above  
Starting location in Data 0 to maximum specified in  
Data_Array_Location  
Function  
Array  
“Data Array” section above  
RDBC  
Function of Client Map  
Descriptor  
4.4.2.  
Driver Related Map Descriptor Parameters  
Column Title  
Function  
Legal Values  
One of the node names  
specified in “Client Node  
Descriptor” above  
Name of Node to fetch data  
from  
Node_Name  
Flag  
Data_Type*  
Data type  
Length  
Address  
Length of Map Descriptor  
Starting digital line number  
1-16  
0 – 15  
4.4.3.  
Timing Parameters  
Column Title  
Scan_Interval  
Function  
Rate at which data is polled >0.1s  
Legal Values  
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-8700-87 SDD16 Driver Manual  
Page 9 of 10  
4.4.4.  
Map Descriptor Example.  
// Client Side Map Descriptors  
Map Descriptors  
Map_Descriptor_Name, Scan_Interval, Data_Array_Name, Data_Array_Offset, Function, Node_name, Address, Length  
Digital_inputs,  
1s,  
Digitals_0,  
0,  
rdbc,  
Module_0,  
0,  
16  
Name of the  
Data  
Array  
where  
retrieved data  
will be stored.  
The rate at  
which data will  
be updated for  
Offset into  
Data Array  
where  
retrieved  
data will  
be stored.  
The  
Descriptor’s  
function is to  
read  
continuously  
Map  
The  
RS485SDD16  
module’s  
address this  
Map  
Descriptor will  
The  
The number of  
digital lines for  
which data will  
be stored.  
Name of this  
Map  
Descriptor.  
starting  
digital  
line  
this  
Map  
data  
Descriptor.  
number.  
fetch  
from.  
data  
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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