5
vacon • 26
Programming
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5.4.3
Modbus TCP monitoring values
These values will not appear before the connection is established.
5.4.3.1
Connection 1
P5.X.2.2.1.1
tells the status of the protocol.
Table 11. FB protocol statuses
P5.X.2.2.1.2
The
Communication status
shows how many error and how many good messages the AC drive has
received. The Communication status includes a common error counter that counts errors and a
counter for good messages.
Table 12.
Communication status
P5.X.2.2.1.3
This value counts error situations. The function code received in the query refers to an unallowed
action for the server (or slave). This corresponds to Modbus fault code 01
h
.
P5.X.2.2.1.4
This value counts error situations. The data address received in the query refers to an unallowed
address for the server (or slave). This corresponds to Modbus fault code 02
h
.
P5.X.2.2.1.5
This value counts error situations. A value contained in the query data field refers to an unallowed
value for server (or slave). This corresponds to Modbus fault code 03
h
.
P5.X.2.2.1.6
This value counts error situations. The server (or slave) is engaged in processing a long–duration
program command. The client (or master) should retransmit the message later when the server (or
slave) is free. This corresponds to Modbus fault code 06
h
.
P5.X.2.2.1.7
This value counts error situations.The server (or slave) attempted to read record file but detected
a parity error in the memory. This corresponds to Modbus fault code 08
h
.
INITIALIZING
Protocol is starting up
STOPPED
Protocol is timeouted or not used
OPERATIONAL
Protocol is running
FAULTED
Major fault in protocol, requires restarting.
If fault remains contact fieldbus@vacon.com
Good messages
0…999
Number of messages received with-
out errors
Bad Frames
0…99
Number of messages received with
errors
Summary of Contents for 100 HVAC
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