Schneider Electric 890USE17700 User Manual
Page 145
Connection Example
890USE17700 April 2004
145
Output Process
Image
The I/O modules in the sample island bus assembly require five Modbus registers
in the output data image area (See The Output Data Process Image, p. 119). The
following table shows how these registers are organized:
45407
N7 channel 2 status
AVI 1270 channel 2 status
45408
N8 channel 1 status
AVI 1250 channel 1 status
45409
N8 channel 2 status
AVI 1250 channel 2 status
Modbus
Register
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Modbus
Register
15
14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
40001
empty–set to 0
N2 data
STB DDI 3230 data
40002
empty–set to 0
N4 data
STB DDO 3420 data
40003
empty–set to 0
N6 data
STB DDO 3600 data
40004
N8 channel 1 data
STB AVO 1250, channel 1 data
40005
N8 channel 2 data
STB AVO 1250, channel 2 data