ProSoft Technology MVI69-DNPSNET User Manual
Page 98

MVI69-DNPSNET ♦ CompactLogix or MicroLogix Platform
Reference
Distributed Network Protocol Interface Module
Page 98 of 119
ProSoft Technology, Inc.
November 3, 2008
Word Variable
Name
Description
27
DNP Slave Float Input Event count in buffer This value represents the number of float
input events which are waiting to be sent
to the master.
28 Reserved
Future
Use
29
DNP Slave bad function code error
(Application Layer Error)
This value counts the number of times a
bad function code for a selected
object/variation is received by the slave
device.
30
DNP Slave object unknown error
(Application Layer Error)
This value counts the number of times a
request for an unsupported object is
received by the slave device.
31
DNP Slave out of range error (Application
Layer Error)
This value counts the number of times a
parameter in the qualifier, range or data
field is not valid or out of range.
32
DNP Slave message overflow error
(Application Layer Error)
This value counts the number of times an
application response message from the
slave is too long to transmit.
33
DNP Slave multi-frame message from DNP
Master error (Application Layer Error)
This value counts the number of times the
slave receives a multi-frame message
from the master. The application does not
support multi-frame master messages.
34
UDP Receive Count
Number of UDP messages received
35
UDP Transmit Count
Number of UDP messages transmitted
36
Unsolicited Error Count
Number of failures when trying to send
unsolicited event data
37 State
Value
This variable has a value of 0 if there is
not a message being sent and 1 if a
message is being sent.
38
TCP Socket State Value
State machine value for the TCP socket
39
UDP Socket State Value
State machine value for the UDP socket
40
DNP Busy With Message State
Socket busy state -1=TCP socket not
connected, 0=TCP or UDP not
processing message, 1 or 3 = TCP
processing message, and 2=UDP socket
processing message.
41 Application
Fragment
Application fragmentation flag/counter
42
Transmit Frame State
Transmit Frame State
43
TCP Message Length
Bytes Received on the TCP port for the
current message.
44 UDP
Message
Length
Bytes received on the UDP port for the
current message.
45 Port
TX
State
This variable has a value of 0 if there is
not a message being sent and 1 if a
message is being sent.
46
Free Memory LSB
Free memory in module
47
Free Memory MSB