
PTQ-104S Rev2 ♦ Quantum Platform Reference
IEC 60870-5-104 Server for Quantum User Manual
ProSoft Technology, Inc. Page 171 of 195
February 22, 2013
9.4 Error Status Table
This section contains a listing of the PTQ-104S module's status data area, copied
automatically to the database starting at address 4000. To request the complete
status block, refer to Read Status (9250) on page 64.
This status value contains a counter incremented
on each scan of the module's main loop.
This two-word data area contains the text values
representing the product name.
This two-word data area contains the text values
for the revision number.
This two-word data area contains the text values
for the operating system number.
This two-word data area contains the text values
for the run number.
This word contains the current Send Sequence
number (NS) sent by the module. This value is a
part of every message sent to the client unit.
This word contains the current Receive Sequence
number (NR) sent by the module. This value is a
part of every message sent to the client unit.
This value is incremented every time the messages
sent by the module are acknowledged. The client
acknowledges a number of APDUs when it returns
the Receive Sequence Number up to the number
whose APDUs are properly received. The module
will hold the APDUs in a buffer until it receives back
its own Send Sequence Number as a Receive
Sequence Number. The buffer status information is
available at the following status parameters: (In
Queue, Queue First, Queue Index)
This word contains the number of messages
received by the client but without being
acknowledged by the module
This word contains the number of messages in the
queue that have not been acknowledged by the
client yet.
This word should contain a value of 0.
This word contains the current index number of the
latest message in the buffer queue.
Number of messages received
Number of t0 errors recognized by the module
Number of t1 errors recognized by the module
Number of t2 errors recognized by the module
Number of t3 errors recognized by the module
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