Field Bus Variables; Flags; Calculate Addresses - WAGO I/O SYSTEM 750 750-833 Manual

68 • Programmable Field Bus Controller 750-833
Process Image
3.4.6.2

Field Bus Variables

3.4.6.3

Flags

All flags are non volatile (retain).
3.4.6.4

Calculate Addresses

The word address is the basis for calculation (word).
Bit Address
Byte Address
Dword Address
Data Size
Bit 256.0
...
256.7 256.15
Byte 512
Word 256
Dword
Data Size
Bit 256.0
...
256.7 256.15
Byte 512
Word 256
DWord
Data Size
Bit 0.0
...
0.7
Byte 0
Word 0
Dword
Addresses up to SW 02
256.8 257.0 257.8
... ... ...
257.7 257.15
513 514 515
257
128
Addresses from SW 03
256.8 257.0 257.8
... ... ...
257.7 257.15
513 514 515
257
128
Addresses
0.8 1.0 1.8
... ... ...
0.15 1.7 1.15
1 2 3
1
0
Word address .0 to .15
1st byte: 2 x Word address
2nd byte: 2 x Word address + 1
lower section: Word address (even numbers) / 2
upper section: Word address (odd numbers) / 2, rounded off
... 318.0 318.8 319.0
... ...
318.7 318.15 319.7
... 636 637 638
... 318
... 159
... 376.0 376.8 377.0
... ...
376.7 376.15 377.7
... 752 753 754
... 376
... 188
... 4094.0 4094.8 4095.0
... ...
4094.7 4094.1 4095.7
5
... 8188 8189 8190
... 4094
... 2047
WAGO-I/O-SYSTEM 750
319.8
... ...
319.15
639
319
377.8
... ...
377.15
755
377
4095.8
... ...
4095.7
8191
4095
Bus System