ProSoft Technology MVI56-104S User Manual
Page 59

Ladder Logic
MVI56-104S ♦ ControlLogix Platform
User Manual
IEC 60870-5-104 Server Communication Module
ProSoft Technology, Inc.
Page 59 of 188
November 18, 2009
Offset Parameter
Description
5
Bad Address Errors This word contains the number of messages received from the
remote host that do not contain a valid common ASDU
address in the packet.
6
Length Errors
This word contains the number of messages received from the
remote host that do not have a valid length field.
7 Receive
Frame
Count
This word contains the number of message frames (not
packets) received from the host. A packet may contain more
than one message.
8 Transmit
Frame
Count
This word contains the number of message frames sent to the
host from the unit.
9
Socket State
This word contains the current socket state as follows:
-1 = Open socket
0 = Wait for connection
1 = Transmit message if ready
2 = Receive packet and process message
3 = Process multiple messages in packet
50 = Send TestFr Act
51 = Wait for TestFr Con
60 = Send Sequence (S-Format) message
1000 = Close Socket
1001 = Wait for socket to close
10
Socket Open Count This word contains the number of times the socket listen
function executed.
11
Socket Close Count This word contains the number of times an active close
function executed.
12 Socket
Connection
Count
This word contains the number of times a connection was
established with the remote host unit.
13
MSP Event Buffer
This parameter shows the number of events available in the
event buffer for M_SP_NA points.
14
MDP Event Buffer
This parameter shows the number of events available in the
event buffer for M_DP_NA points
15
MST Event Buffer
This parameter shows the number of events available in the
event buffer for M_ST_NA points
16 MMENA
Event
Buffer
This parameter shows the number of events available in the
event buffer for M_ME_NA points
17 MMENB
Event
Buffer
This parameter shows the number of events available in the
event buffer for M_ME_NB points
18 MMENC
Event
Buffer
This parameter shows the number of events available in the
event buffer for M_ME_NC points.
19
MIT Event Buffer
This parameter shows the number of events available in the
event buffer for M_IT_NA points