System information
General Reference Guide IO Servers Configuration
RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 138
Note: The Modifier can by omitted, the modifier in bold will be used.
(*) Important: See “Tags are stored as Float” on page 67
Examples
• Status register:
The STATUS Tag is a special Tag that returns information about the current state of communication for a given device. As for the other Tags, the
status Tag ValueName is composed of:
Status, Global Device Address
• You can define a status Tag for each PLC used.
• If you use the status address, the Tag must be configured as analog.
L CPU Link Bit Hxxxxxx
H stands for hexadecimal
x: 1 to 6 digits hexadecimal indicating bit offset
WL CPU Link Word W, S Hxxxxxx
H stands for hexadecimal
x: 1 to 6 digits hexadecimal indicating word offset
DL CPU Link Double D, L, F Hxxxxxx
H stands for hexadecimal
x: 1 to 6 digits hexadecimal indicating word offset
Symbol Modifier value range
W Word 0 .. 65535
S signed Word -32768 .. 32767
D DWord 0 .. 4294967296 (*)
L signed DWord -2147483648 .. 2147483647 (*)
F Float +/- 3.4e38
Table 116: HITACHI Modifiers
address point to
XH00103 selection of bit3 of word 0 of the input device located at remote:0 unit:0 slot:1
WYH0011 selection of word 0 of the output device located at at remote:0 unit:0 slot 1
RH105 bit 105 hex (261 decimal) of the Internal Output Bit Dedicated area
WRSH10 short located at word 10 hex of the WR area
WMH10 word 10 hex of the Internal Word Output Common area
DMH10 double word 10 + 11 hex of the Internal Word Output Common area
WMH000010
word 10 hex of the Internal Word Output Common area
(WMH10 is more optimal)
Table 117: HITACHI register address examples
0
Communication not initialized. Status UNKNOWN.
If no Tag is polled on that device address, the communication status is unknown.
1 Communication OK.
2 Communication NOT OK.
Table 118: Tag Status meaning
Table 115: HITACHI Memory types and address scheme