221
Communication operation and setting
Data reading format
Communication request data from the computer to the inverter 1)
Reply data from the inverter to the computer 3) (No data error detected)
Reply data from the inverter to the computer 3) (With data error)
Send data from the computer to the inverter 5)
∗1
Indicate a control code
∗2
Specify the inverter station numbers between H00 and H1F (stations 0 to 31) in hexadecimal.
∗3
When the
Pr. 123 PU communication waiting time setting
is other than 9999, create the communication request data without "waiting time" in the data
format. (The number of characters decreases by 1.)
∗4
CR, LF code
When data is transmitted from the computer to the inverter, codes CR (carriage return) and LF (line feed) are automatically set at the end of a data group
on some computers. In this case, setting must also be made on the inverter according to the computer. Whether the CR and LF codes will be present or
absent can be selected using
Pr. 124 PU communication CR/LF selection
.
Format
Number of Characters
1
2
3
4
5
6
7
8
9
B
ENQ
Inverter
station number
Instruction code
Sum
check
Format
Number of Characters
1
2
3
4
5
6
7
8
9
10
11
12
13
E
STX
∗1
Inverter
station number
Read data
ETX
Sum
check
E1
STX
∗1
Inverter
station number
Read data
ETX
∗1
Sum
check
E2
STX
∗1
Inverter
station number
Read data
ETX
Sum
check
Format
Number of Characters
1
2
3
4 to 23
24
25
26
27
E3
STX
∗1
Inverter
station number
Read data (Inverter type information)
ETX
∗1
Sum
check
Format
Number of Characters
1
2
3
4
5
D
NAK
Inverter
station number
Error
code
Format
Number of Characters
1
2
3
4
C
(Without
data error)
ACK
Inverter
station number
F
(With data
error)
NAK
Inverter
station number
Содержание FR-E710W-0.1K
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Страница 335: ...335 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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