FujiFilm FRENIC5000G11S Series, Technical Information

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2-52
Chapter 2
4. Standard RS-485 Interface
Polling request frame [Host
⇒
Inverter]
Polling response frame [Inverter
⇒
Host]
SOH Station address ENQ Com-
mand ETX
BCC
0 1 2 3 4 5 6 7
1 2 1 1 1 2 (byte)
Area included to BCC
SOH Station address
Com-
mand
Data ETX BCC
0 1 2 3 4 5 6 7 8 9 10 11
1 2 1 1 4 1 2 (byte)
Area included to BCC
ACK/
NAK
Byte Field Value Description
ASCII type Hexadecimal
0 SOH SOH 01
H
Start of header
1 Station address '0'-'3', '9' 30
H
-33
H
, 39
H
Station address of inverter (Decimal: x 10)
2 '0'-'9' 30
H
-39
H
Station address of inverter (Decimal: x 1)
3 ENQ ENQ 05
H
Transmission request
4 Command Request command
'g' 67
H
Output frequency (p.u.)
'h' 68
H
Torque
'i' 69
H
Torque current
'j' 6A
H
Output frequency
'k' 6B
H
Operation state monitor
5 ETX ETX 03
H
End of text
6 BCC '0'-'F' 30
H
-3F
H
Check sum 1 (Hexadecimal: x 10
H
)
7 '0'-'F' 30
H
-3F
H
Check sum 2 (Hexadecimal: x 1
H
)
Byte Field Value Description
ASCII type Hexadecimal
0 SOH SOH 01
H
Start of header
1 Station address '0'-'3', '9' 30
H
-33
H
, 39
H
Station address of inverter (Decimal: x 10)
2 '0'-'9' 30
H
-39
H
Station address of inverter (Decimal: x 1)
3 ACK/NAK Transmission response
ACK 06
H
Acknowledge: When there are no receiving
error and logical error
NAK 15
H
Negative Acknowledge: When there is a logical error
in the request
4 Command Request command
'g' 67
H
Output frequency (p.u.)
'h' 68
H
Torque
'i' 69
H
Torque current
'j' 6A
H
Output frequency
'k' 6B
H
Operation state monitor
5 Data '0'-'F' 30
H
-3F
H
1st character of data (Hexadecimal: x 1000
H
)
6 '0'-'F' 30
H
-3F
H
2nd character of data (Hexadecimal: x 100
H
)
7 '0'-'F' 30
H
-3F
H
3rd character of data (Hexadecimal: x 10
H
)
8 '0'-'F' 30
H
-3F
H
4th character of data (Hexadecimal: x 1
H
)
9 ETX ETX 03
H
End of text
10 BCC '0'-'F' 30
H
-3F
H
Check sum 1 (Hexadecimal: x 10
H
)
11 '0'-'F' 30
H
-3F
H
Check sum 2 (Hexadecimal: x 1
H
)
Chapter02J(P44˜74).p65
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