ProSoft Technology PLX30 Series, Руководство пользователя

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PLX30 Series EIP Protocol
Ethernet and Serial Gateways User Manual
ProSoft Technology, Inc. Page 69 of 200
September 19, 2012
Class 3 Client/UClient [x] Commands Basic
Parameter
Value Description
Enable
Enable
Disable
Conditional Write
Specifies if the command should be executed and
under what conditions.
Enable - The command is executed each scan of the
command list
Disable - The command is disabled and will not be
executed
Conditional Write - The command executes only if the
internal data associated with the command changes
Internal
Address
0 to 3999 Specifies the database address in the module
’s internal
database to be associated with the command. If the
command is a read function, the data received in the
response message is placed at the specified location. If
the command is a write function data used in the
command is sourced from the specified data area.
Poll Interval
0-65535 Specifies the minimum interval to execute continuous
commands. The parameter is entered in 1/10 of a
second. If a value of 100 is entered for a command the
command executes no more frequently than every 10
seconds.
Reg Count
Specifies the number of data points to be read from or
written to the target device.
Swap Code
None
Word swap
Word and Byte
swa
p
Byte swap
Specifies if the data from the server is to be ordered
differently than it was received. This parameter is
typically used when dealing with floating-point or other
multi-register values.
None - No change is made (abcd)
Word swap - The words are swapped (cdab)
Word and Byte swap - The words and bytes are
swapped (dcba)
Byte swap - The bytes are swapped (badc)
IP Address
xxx.xxx.xxx.xxx
Specifies the IP address of the target device to be
addressed by this command
Slot
-1 Use a value of -1 when interfacing to an SLC 5/05.
These devices do not have a slot parameter. When
addressing a processor in a ControlLogix or
CompactLogix, the slot number corresponds to the slot
in the rack containing the controller being addressed.
Func Code
1
2
3
4
5
Specifies the function code to be used in the command.
1 - Protected Write
2 - Unprotected Read
3 - Protected Bit Write
4 - Unprotected Bit Write
5 - Unprotected Write
Word Address
Specifies the word address where to start the operation.
Comment
This field can be used to give a 32 character comment
to the command.