Fetch Comm Event Counter (Function 11); Fetch Comm Event Log (Function 12) - Hitachi Abb Rvt Installation Und Betriebsanleitung

QUERY
Slave address
Function
Data address
Quantity of points
Byte count
Data values
Error check field CRC
format of a read/write multiple registers (23) function is as follows:
QUERY
Slave address
Function
Read data address
Read quantity of points
Write data address
Write quantity of points
Byte count
Write data values
Error check field CRC
format of a Mask/write register (22) function is as follows:
QUERY
Slave address
Function
Data address
And mask
Or mask
Error check field CRC
3.5.

Fetch comm event counter (function 11)

The controller's event counter is incremented once for each successful message completion. It is not incremented for
exception responses, poll commands, or fetch event counter commands. It returns amount of successful read/write
operations on data points.
The format of a Fetch comm event counter (11) function query is as follows:
QUERY
Slave address
Function
Error check field CRC
3.6.

Fetch comm event log (function 12)

Returns a status word, the comm event counter (see function 11), the bus message counter (see function 08 subfunc-
tion 11), and a field of event bytes from the slave.
The format of a Fetch comm event log (12) function query is as follows:
STATUS
Approved
RESPONSE
1 byte Slave address
1 byte Function
2 bytes Data address
2 bytes Quantity of points
1 byte Error check field CRC
N bytes
2 bytes
RESPONSE
Slave address
1 byte
1 byte Function
2 bytes Byte count
2 bytes Data values
2 bytes Error check field CRC
2 bytes
1 byte
N bytes
2 bytes
RESPONSE
1 byte Slave address
1 byte Function
2 bytes Data address
2 bytes And mask
2 bytes Or mask
2 bytes Error check field CRC
RESPONSE
1 byte Slave address
1 byte Function
2 bytes Status word
Event counter
Error check field CRC
SECURITY LEVEL
Public
1 byte (echo of master's query)
1 byte (echo of master's query)
2 bytes
2 bytes
2 bytes
1 byte (echo of master's query)
1 byte (echo of master's query)
1 byte
N bytes
2 bytes
1 byte (echo of master's query)
1 byte (echo of master's query)
2 bytes
2 bytes
2 bytes
2 bytes
1 byte (echo of master's query)
1 byte (echo of master's query)
2 bytes (0)
2 bytes
2 bytes
DOCUMENT ID
9AKK106713A9758
RVT CO MM UNI CATI O N
The
The
REV. LANG. PAGE
K en 13/71
© 2022 Hitachi Energy. All rights reserved.