FieldServer Computer Drive FS 8700 15 User Manual

A Sierra Monitor Company  
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  
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  
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.  
Client  
255  
2.  
Driver Scope of Supply  
2.1.  
Supplied by FieldServer Technologies for this driver  
FieldServer Technologies  
Description  
PART #  
FS-8915-10  
FS-8917-01  
SPA59132  
-
UTP cable (7 foot) for RS_232 use  
RJ45 to DB25M connection adapter  
RS-485 connection adapter  
Driver Manual.  
2.2.  
Provided by the Supplier of 3rd Party Equipment  
Required 3rd Party Configuration  
2.2.1.  
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  
Up to 15 alphanumeric  
characters  
Data_Array_Name  
Provide name for Data Array  
Float, Bit, UInt16,  
SInt16, Packed_Bit,  
Byte, Packed_Byte,  
Swapped_Byte  
Provide data format. Each Data  
Array can only take on one  
format.  
Data_Array_Format  
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.  
Data_Array_Length  
1-10,000  
Example  
// Data Arrays  
Data_Arrays  
Data_Array_Name,  
DA_AI_01,  
DA_AO_01,  
DA_DI_01,  
Data_Format,  
UInt16,  
UInt16,  
Bit,  
Data_Array_Length,  
200  
200  
200  
200  
DA_DO_01,  
Bit,  
4.2.  
Client Side Connection Descriptions  
Section Title  
Connections  
Column Title  
Port  
Function  
Specify which port the  
Legal Values  
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  
FS-X20 Serves: Serial Port  
FieldServer  
Protocol  
Baud*  
Specify protocol used  
Modbus_Daniels  
110 – 115200, standard baud  
rates only, 9600  
Even, Odd, None, Mark,  
Space  
7, 8  
1
Specify baud rate  
Specify parity  
Parity*  
Data_Bits*  
Stop_Bits*  
Specify data bits  
Specify stop bits  
Specify hardware  
handshaking  
Handshaking*  
Poll _Delay*  
RTS, RTS/CTS, None  
Time between internal polls 0-32000 seconds, 1 second  
Example  
//  
Client Side Connections  
Connections  
Port,  
P1,  
Protocol,  
Modbus_Daniels,  
Baud, Parity,  
9600, Even,  
Handshaking,  
None,  
Poll_Delay  
0.100s  
4.3.  
Client Side Node Descriptors  
Section Title  
Nodes  
Column Title  
Function  
Legal Values  
Up to 32 alphanumeric  
characters  
Node_Name  
Provide name for node  
Modbus station address of  
physical server node  
Specify protocol used  
Node_ID  
Protocol  
1-255  
Modbus_Daniels  
Specify which port the device is FS-X40 Serves: P1-P8, R1-R2  
connected to the FieldServer FS-X20 Serves: Serial Port  
Connection  
Example  
// Client Side Nodes  
Nodes  
Node_Name,  
PLC 1,  
Node_ID,  
1,  
Protocol,  
Modbus_Daniels,  
Connection  
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.  
4.4.1.  
Client Side Map Descriptors  
FieldServer Related Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Name of this Map  
Descriptor  
Legal Values  
Up to 32 alphanumeric  
characters  
Map_Descriptor_Name  
Name of Data Array  
where data is to be  
stored in the  
One of the Data Array  
names from “Data Array”  
section above  
Data_Array_Name  
FieldServer  
Starting location in  
Data Array  
Function of Client Map  
Descriptor  
0 to maximum specified in  
“Data Array” section above  
Data_Array_Offset  
Function  
RDBC, WRBC, WRBX  
4.4.2.  
Driver Related Map Descriptor Parameters  
Section Title  
Map Descriptors  
Column Title  
Function  
Legal Values  
One of the node names  
specified in “Client Node  
Descriptor” above  
Register, Coil, AI, DI  
1-125 (Register, AI)  
1-800 (Coil, DI)  
Name of Node to fetch  
data from  
Node_Name  
Data_Type*  
Length  
Data type  
Length of Map  
Descriptor  
0000 – 6999 ( Coil )  
7000 – 7999 ( Float )  
10000 ( DI )  
Starting address of  
read block  
Address  
30000 ( AI )  
40000 – 49999 ( Register)  
Scaling zero in Data  
Array  
Data_Array_Low_Scale*  
Data_Array_High_Scale*  
-32767 to 32767, default 0  
Scaling max in Data  
Array  
-32767 to 32767, default  
100  
Scaling zero in  
Connected Node  
Scaling max in  
Connected Node  
Node_Low_Scale*  
Node_High_Scale*  
-32767 to 32767, default 0  
-32767 to 32767, default  
100  
4.4.3.  
Timing Parameters  
Section Title  
Map Descriptors  
Column Title  
Scan_Interval  
Function  
Rate at which data is  
polled  
Legal Values  
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,  
CMD_AI,  
Data_Array_Name,  
DA_AI,  
Data_Array_Offset,  
0,  
Function,  
RDBC,  
Node_Name,  
PLC 1,  
Address,  
30000,  
Length,  
20,  
Scan_Interval  
1s  
The data array  
where the read  
data will be  
Note the use of  
the RDBC  
function here  
which will  
cause this map  
descriptor to  
continuously  
read data every  
scan interval  
from the  
The remote  
Modbus Daniels  
device is  
specified here  
with the node  
name previously  
declared under  
the nodes  
stored is  
specified here.  
This data array  
and its format  
must be  
specified under  
the data arrays  
section.  
section.  
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  
Driver  
Version Revision  
Document  
Date  
Resp Comment  
10/03/03 1.00d  
0
JD  
Releasing  
Updating formatting. Adding Description  
information – DUR0212  
10/13/03 1.00d  
1
MF  
DUR0220, updated to new format, indicate  
address ranges and data types supported  
Releasing  
12/09/03 1.00d  
12/23/03 1.00d  
2
3
DR  
JD  
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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