Shihlin electric SS2-021 Series, Руководство пользователя

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Parameter Description
Parameter Description
Error
Code
Error Item Communication error exception content
H03 Protocol Error
The information the inverter received is a syntax error, or the
information is not received within the specified time, or CR and LF
codes are different from the initial set.
H04 Frame Error The STOP bit the inverter received is different from the initial set.
H05
Overflow
Error
The inverter has not received the data for PC to write the incoming data.
H0A
Mode
Exceptions
The inverter is running or is not at a correct operation mode for writing.
H0B
Command
Code Error.
The input command codes cannot be handled by the inverter.
H0C
Data Range
Error
The set parameter and frequency data are outside the specified range.
When the parameters have 9999 properties, write or read HFFFF instead of 9999.
Sum check code
ASCII data transformation code: Add a binary code. The result (sum) of the next bit (the low
8-bit) is transformed into a 2-bit ASCII code (hexadecimal), which is referred to as the Sum
Check Code.
Ɣ
Communication examples
Example 1
The computer sends a forward command to the inverter:
Step1. FA commands sent by the computer using format A:
Calculation
Sum Check: H30
ˇ
H30
ˇ
H46
ˇ
H41+H30+H30+H30+H30+H32=H1D9;
Take the lower 8 bits
D9 WR
convert to ASCII code
: H44 H39
Step2. The inverter responds to the computer using format C after receiving and processing the data:
ACK
Station number
0
CR
H06 H30 H30 H0D
Example 2.
The computer sends a stop command to the inverter:
Step1. FA commands sent by the PC via format A:
ENQ
Station Number
0
Command Code
HFA
Waiting Time
Data
H0000
Sum Check CR
H05 H30 H30 H46 H41 H30 H30 H30 H30 H30 H44 H37 H0D
ENQ
Station Number
0
Command Code
HFA
Waiting Time
Data
H0002
Sum Check CR
H05 H30 H30 H46 H41 H30 H30 H30 H30 H32 H44 H39 H0D