Timing Parameters, Ieee | FieldServer FS-8704-12 guide

FS-8704-12_GE-EGD Manual

Page 14 of 26

Column Title

Function

Legal Values

This identifies the GE device producing

the EGD data. Although in decimal dot

format, it is not an IP address and does

not necessarily correspond to the IP

address of the GE-Ethernet port

producing the message. It corresponds

to the producer ID configured for the

CPU producing the data.

Nnn.nnn.nnn.nnn

ge_producerId

The default value is typically the same as

Where nnn are in the

the IP address of the producer but the

value can be changed and it is possible

range 0-255.

for one device to have multiple Ethernet

interfaces and hence multiple IP

addresses.

Any change to the producerID must be

matched by a similar change in the

consumer's configuration.

This and the producerID uniquely identify

a packet of EGD data. Thus, the

ge_exchangeId

consumer uses these two parameters to

Integer values >= 1

update. Any change to the exchangeID

must be matched by a similar change in

the consumer's configuration.

Each produced data packet contains raw

packed data.

Byte,

Bit,

Word,

This keyword is used to tell the driver

Dword, Int , Long

how to pack the data into the message.

Float (4 byte IEEE real

Thus you can read from a BIT array in

number) or Double (8

ge_data_type

the FieldServer but send the data as

byte

IEEE

real

words for storage in %R (register

number).

memory) in the GE-PLC.

See section Appendix

Any change to the data type must be

A.1 for a full list.

matched by a similar change in the

consumer's configuration.

ge_offset

Not required

for producer Map

Descriptors.

5.3.3.

Timing Parameters

Column Title

Function

Legal

Values

Scan_Interval

Rate at which data is produced. This is the equivalent of

>0.1s

the producer interval.

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