User manual

Installation and Configuration
33002479 06 07/2008 365
WR Master/
Slave (write)
parameters**
Includes three parameters:
z WR Master Object: source address of the
master PLC whose data is being written
into the slave/remote device.
z WR slave index: the address of the first
word written into the slave/remote device.
z WR length: number of words to write.
WR Master Object:%mw20
WR slave index: 100
WR length: 1
Master Object NOE 771 01
writes data from its
address%mw20 to slave
address 198.168.100 at index
100 with a write size of 1
word.
Last value
(input)
In the Last value (input) field you can
configure the behavior of inputs in the event
of an access error in relation to the remote
device (for example: network error or device
power failure, etc.):
z set to 0: fall back to 0
z hold last: maintain last value
Hold last
*Master refers to the client PLC that makes the request.
**Slave refers to the server from which data is read or to which data is written.
Parameter Description Example