User guide

eWON 500-2001-4001-4002 User Guide - IO Servers Configuration
eWON 500®2001®4001®4002® Version 4_3_0 - User Guide - 10/5/05 - ©ACT'L sa - Page 89
6.5.3 Tag name convention
The Item Name can contain the PLC address where the value is polled, or not. If address is not specified at the Tag level,
the global topic address will be used. If Topic address is not defined either, then address 0,254,0 will be used.
6.5.3.1 Value Name
Value name follows the syntax below:
IO Server configuration
IO Server Name UNITE
Topic Name
A
B
C
Item Name
ValueName,Network,Station,Gate,Module,Ch
annel
PLC Address is defined Tag by Tag
ValueName,Network,Station,Gate
PLC Address is defined Tag by Tag
(and the gate requires a 5 level
addressing)
ValueName Topic PLC Address is used
Table 61: UNITE - IO server configuration
MWxW Internal data word 16 bits (unsigned)
MWxI Internal data word 16 bits (signed)
MWxD Internal data word 32 bits as DWORD (unsigned)
MWxF Internal data word 32 bits as IEEE float
MWxL Internal data word 32 bits as LONG (signed)
SWxW System data word 16 bits (unsigned)
SWxI System data word 16 bits (signed)
SWxD System data word 32 bits as DWORD (unsigned)
SWxL System data word 32 bits as LONG (signed)
Mx Internal data bit
Sx System data bit
Table 62: value names for UNITE addresses