ABB NIBA-01 Installation And Startup Manual page 27

NIBA-01 Installation and Start-up Guide
Read
Reads a parameter value from the drive via NIBA-01.
Read Request:
BYTE 1 BYTE 2
Command Code (0081h)
Parameter Count
Invoke ID Comm.Ref.
Index*
Subindex
Read Response (+):
BYTE 1 BYTE 2
Command Code (00A1h)
Parameter Count
Invoke ID Comm.Ref.
Result (+) Length
Data • •
• • Data
Read Indication:
BYTE 1 BYTE 2
Message Code (01A1h)
Parameter Count
Invoke ID Comm.Ref.
Index*
Subindex
Read Confirmation (+):
BYTE 1 BYTE 2
Message Code (0181h)
Parameter Count
Invoke ID Comm.Ref.
Result (+) Length
Data • •
• • Data
*Index: ((Drive Param. No.) • 100 + 12288), converted to hexadecimal
Chapter 6 – Communication
Example of a Read Request (Param. 30.19):
BYTE 1 BYTE 2
00 81
00 03
00 eg. 02
3B CB
00
Read Response (–):
BYTE 1 BYTE 2
Command Code (00A1h)
Parameter Count
Invoke ID Comm.Ref.
Result (–) Error Class
Error Code Add. Code
Add. Code
Read Confirmation (–):
BYTE 1 BYTE 2
Message Code (0181h)
Parameter Count
Invoke ID Comm.Ref.
Result (–) Error Class
Error Code Add. Code
Add. Code
6-3