Example Of A Process Input Image - WAGO 750-341 Manual

44 • Fieldbus Coupler 750-341
Process image
3.1.4.1

Example of a Process Input Image

The following figure is an example of a process input image. The
configuration includes 16 digital and 8 analog inputs. Therefore, the process
image has a total data length of 9 words (8 words for the analog data and 1
word for the digital inputs).
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
Fig. 3.1-4: Example of a Process Input Image
ETHERNET
LINK
MS
NS
TxD/RxD
I/O
Input modules
Process input image
(Word)
MODBUS addresses
Word1
Word2 Word2
Word1
Word2
Word1
Word2
Word1
Word2
0x0008
Highbyte Lowbyte
Process input image
(Bit)
MODBUS addresses
0x0000
0x0001
0x0002
0x0003
0x0004 0x0004
0x0005 0x0005
0x0006 0x0006
0x0007 0x0007
0x0008
0x0009
0x000A
0x000B
0x000C
0x000D
0x000E
0x000F
DI DI
AI AI
750- 402 402 472 472
Bit 1
1
Word1 Word1
Word2 Word2
Bit 4 4
DI AI DI
AI
402 476 402 476
1 1 1 1
Word1 Word1
Word2 Word2
4 4
DI: Digital Input
AI:Analog Input
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
G012924e