FieldServer Safetran FS-8700-128 User Manual
Page 8

FS-8700-128 Safetran SCS-128 Manual
Page 8 of 15
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.FieldServer.com
Tel: 408 262-2299 Fax: 408-262-2269 Toll_Free: 888-509-1970 email: [email protected]
4.4.
Client Side Map Descriptors
4.4.1.
FieldServer Related 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 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
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
SCS128_Poll_Type*
Specify Poll_type
‘Recall’ or 2 always poll for current indications
‘Poll’ or 1 request for indications if changed
‘Controls’ or 3 writes controls to target device
‘Cutoff’ or 5 or 6 send ‘cutoff’ command to
target device
For
Read
Map
Descriptors :
Recall, 2, Poll, 1,
For
Write
Map
Descriptors :
Controls, 3
Cutoff, 5, 6
Data_Type*
‘Flag’ - each byte of Indication statuses will be
stored in 8 consecutive locations in the Data
Array. On write; one Control byte will be
composed from 8 consecutive locations.
‘Byte’- each byte of Indication statuses will be
stored as an 8 Bit Integer at the specified
location. On Write; one Control byte will be
composed from a single location.
‘Register’ - two bytes of Indication statuses will
be stored as a 16 Bit integer at the specified
location. On Write; two Control bytes will be
composed from a single location.
’32-Bit_Reg’ four bytes of Indication statuses
will be stored as 32 Bit integers at the
specified location. On Write, four Control bytes
will be composed from a single location.
Refer to Appendix A
Flag, Byte, Register,
32-Bit_Reg
Length*
Length of Map Descriptor
Number of indications to store or number of
controls to write as per Data_Type.
Flag: 8-256, 16
Byte: 1-32, 2
Register: 1-16, 1
32-Bit_Reg: 1-8, 1
4.4.3.
Timing Parameters
Column Title
Function
Legal Values
Scan_Interval
Rate at which data is polled
≥0.001s