Relay1: bit0
Relay2: bit1
Address
Function code
Byte count
Data
CRC high
CRC low
11H
01H
01H
02H
D4H
89H
Table4.5 Relay status responds.
The content of the data is,
7
6
5
4
3
2
1
0
0
0
0
0
0
0
1
0
MSB
LSB
Relay1 = OFF (LSB ), Relay2=ON (Left to LSB )
2 Read the Status of DI
Function Code 02
1=On
0=Off
There are 4 DIs in
Ai
205. The Address of each DI is
DI1=0000H, DI2=0001H, DI3=0002H and DI4=0003H.
The following query is to read the 4 DI Status of Number 17
Ai
205.
Query
Addr
Fun
DI start
DI start
DI num
DI num
CRC16
CRC16
addr hi
addr lo
hi
lo
hi
lo
11H
02H
00H
00H
00H
04H
7BH
59H
Table4.6 Read 4 DIs Query Message
Response
The
Ai
205 response includes the
Ai
205 address, function code, quantity of data
characters, the data characters, and error checking. An example response to
read the status of 4 DIs is shown as Table4.7. The status of each is responding
to the last 4 bit of the data.
67
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Summary of Contents for Ai205
Page 1: ......
Page 12: ...Chapter 2 Installation Appearance and Dimensions Installation method Wiring of Ai205 7 ...
Page 26: ...3 2LN 2CT 4 2LN 1CT 5 2LL 3CT 21 Fig 2 20 2LN 2CT Fig 2 21 2LN 1CT Fig 2 22 2LL 3CT ...
Page 98: ...Appendix Appendix A Technical data and specifications Appendix B Ordering 93 ...
Page 103: ......