Chapter 2
2-11
CompoWay/F Communications Procedures
■
Read Controller Attributes
This service reads the model number and communications buffer size.
Service Request PDU
Service Response PDU
1.Model Number
The model number is expressed in 10-byte ASCII. When 10 bytes are not required, the remaining
bytes are filled with spaces.
Example of the Model Number:
The model number will be given as follows for the 3G3JE-A2002B-FLK (maximum motor capacity:
0.2 kW, braking resistance control, RS-485 communications).
2.Buffer Size
The communications buffer size is expressed in 2-byte hexadecimal, and read after being convert-
ed to 4-byte ASCII.
Buffer size: 40 bytes (= H'0028)
3.Response Code
Normal Completion
Error Completion
■
Read Controller Status
This service reads the operating status and error status.
Service Request PDU
Response code
Name
Description
0000
Normal completion
No errors were found.
Response code
Error name
Description
1001
Command too long
The command is too long.
2203
Operation error
CPU or EEPROM error
MRC
0
5
2
2
0
3
SRC
MRC
0
0
0
2
8
5
0
3
2
2
4
10
4
SRC
Model No.
Buffer size
Response code
3
G
3
J
E
2
0
2
B
F
MRC
0
6
2
2
0
1
SRC
Summary of Contents for SYSDRIVE 3G3JV
Page 1: ...Cat No I548 E1 01 COMMUNICATIONS MANUAL 3G3JE Compact Simplified Inverters...
Page 14: ...Chapter 1 Communications Methods 1 1 Overview of Communications Methods...
Page 38: ...Chapter 3 Communications Data 3 1 Variable Area Setting Range List 3 2 Status...