ProSoft Technology MVI69-DNPSNET - 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