E6581913
29
5.1.3.Block Read command：Direct (03H)
The data of consecutive communication number from the specified communication number is read.
Eight data or less is read. When a consecutive communication number doesn't exist, the data of
8000H is sent back.
Computer → Inverter *The text size is 8 bytes fixed.
Communication
No.
Number of Data
Groups
CRC16
Inverter
No.
Com-
mand
high low high low low high
03 00 02-08
1) Inverter No. (1 byte) : ---
2) Command (1 byte) : Set the read command (03H fixed).
3) Communication No. (2 bytes) : Set in the order of high to low numbers.
Note: If communication number doesn’t exist, return the error to computer.
4) Number of data groups (2 bytes) : Set the number of data words from 0002H to 0008H.
5) CRC16 (2 bytes) : ---
Inverter → Computer *The text size is variable.
Read data 1 Read data 8 CRC16
Inverter
No.
Com-
mand
Number
of data
high low high low low high
03 04-16
…
1) Inverter No. (1 byte) : ---
2) Command (1 byte) : Set the read command (03H fixed).
3) Number of data (1 bytes) : A number of data bytes will be returned. The number of data groups for transmis-
sions to the inverter is from 04 to 16 (04H – 10H) bytes. Note that the number of
data returned by the inverters is variable.
4) Read data 1 (2 bytes) : The data of specified communication number is read.
5) Read data 2 (2 bytes) : The data of specified communication number + 1 is read.
6) Read data 3 (2 bytes) : The data of specified communication number + 2 is read.
7) Read data 4 (2 bytes) : The data of specified communication number + 3 is read.
8) Read data 5 (2 bytes) : The data of specified communication number + 4 is read.
9) Read data 6 (2 bytes) : The data of specified communication number + 5 is read.
10) Read data 7 (2 bytes) : The data of specified communication number + 6 is read.
11) Read data 8 (2 bytes) : The data of specified communication number + 7 is read.
12) CRC16 (2 bytes) : ---
Inverter → Computer (Abnormal return) *The text size is 5 bytes fixed.
CRC16
Inverter
No.
Command Error Code
low high
83
1) Inverter No (1 byte) : ---
2) Command (1 byte) : 83H fixed (Read command error) (Command + 80H)
3) Error code (1 byte) : See ”5.3. Error codes”.
4) CRC16 (2 by
tes) : ---
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
To Next Page
Loading...
