This command reports the current situation of the OPC resource:
[15:52:15] ABILIS_CPX:d d opc
RES:Opc -----------------------------------------------------------------------
       Operator_Panel_Collector                                                
       STATE:UP
       CUR-MAXUSERS:200  CUR-MAXCALLS:200  CUR-MAXCLIENTS:20 CUR-MAXREMOTES:1
       CUR-USERS:22      CUR-CALLS:0       CUR-CLIENTS:1     CUR-REMOTES:1
       - OPC Sessions ---------------------------------------------------------
       Ses  State    SessionID              PendingTime     WaitingTime
       ------------------------------------------------------------------------
       0    READY                           0               0
       1    USED     001201610121539139199  10              0
       2    READY                           0               0
       3    READY                           0               0
       4    READY                           0               0
       5    READY                           0               0
       6    READY                           0               0
       7    READY                           0               0
       8    READY                           0               0
       9    READY                           0               0
       10   READY                           0               0
       11   READY                           0               0
       12   READY                           0               0
       13   READY                           0               0
       14   READY                           0               0
       15   READY                           0               0
       16   READY                           0               0
       17   READY                           0               0
       18   READY                           0               0
       19   READY                           0               0
       - OPC Remote collectors ------------------------------------------------
       Rem  AbilisId                               LocAdd-LocPort
            Tcp-State    Login-State   Protocol    RemAdd-RemPort
       ------------------------------------------------------------------------
       0    Remote                                 192.168.020.254-15735  
            CONNECTED    LOGGED        Plain       192.168.029.254-80     
       ------------------------------------------------------------------------The meaning:
STATEVS driver state:
DOWN - configuration parameter
                ACT:NO.
UP - the driver is fully ready to
                work.
CUR-MAXUSERSThe maximal number of users that can be managed until reboot.
CUR-MAXCALLSThe maximal number of simultaneous calls that can be managed until reboot.
CUR-MAXCLIENTSThe maximal number of clients that are possible until reboot.
CUR-MAXREMOTESThe maximal number of remote abilis clients that are possible until reboot.
CUR-USERSNumber of simultaneous users currently managed.
CUR-CALLSNumber of simultaneous calls currently managed.
CUR-CLIENTSNumber of HTTP clients that are currently used.
CUR-REMOTESNumber of remote abilis clients that are currently used.
SesThe number of the OPC session.
StateThe OPC session state:
READY - ready to be used.
USED - currently used.
SessionIDThe OPC session identifier, when session is used.
PendingTimeTime elapsed since update request was received, and is still pending. When it reaches XML-TOUT value the pending update request gets completed.
WaitingTimeTime since last request, full or update, has been completed. If it reaches 30 seconds the session gets closed.
RemThe identification number of the remote collector.
AbccilisIdThe remote configured AbilisId parameter for OPC resource.
Tcp-StateThe OPC session state:
CLOSED - The TCP session is
                closed.
CALLING - Remote collector is trying
                to open session to the remote client.
CONNECTED - Remote collector is
                connected to the remote client.
CLEARING - Remote collector is
                closing session to the remote client.
DELAY - Remote collector is waiting
                to make a new connection.
Login-StateThe OPC session phase:
DOWN;
NOTLOGGED;
LOGGING;
LOGGED;
UNKNOWN.
ProtocolProtocol: Plain; SSL.
LocAdd-LocPortOPC Channel local IP address/TCP port.
RemAdd-RemPortOPC Channel remote IP address/TCP port.
This command can help to understand what is happening, in case of troubles:
[15:52:18] ABILIS_CPX:d s opc
RES:Opc -----------------------------------------------------------------------
       Operator_Panel_Collector                                                
       --- Cleared 3 days 20:02:47 ago, on 13/08/2018 at 17:26:41 -------------
       -----------|---INPUT---|--OUTPUT---|-----------|---INPUT---|--OUTPUT---|
       USER-STATE |        980|           |CALL-STATE |       1993|           |
       BAD-USERST |          0|           |BAD-CALLST |          0|           |
       BAD-USER   |        308|           |BAD-CALLDIR|          0|           |
       BADABILISID|          0|           |BADINTERF  |         52|           |
       ------------------------------------------------------------------------With reference to the shown interval of time («Cleared 3 days 20:02:47 ago») these counters show the number of:
USER-STATE | Number of state changes for users. | 
CALL-STATE | Number of state changes for calls. | 
BAD-USERST | Number of user requests without setting a valid state. | 
BAD-CALLST | Number of call requests without setting a valid state. | 
BAD-USER | Number of user/call requests without setting a valid user name. | 
BAD-CALLDIR | Number of call requests without setting a valid call direction. | 
BADABILISID | Number of user/call requests without setting a valid abilis identifier. | 
BADINTERF | Number of user/call requests without setting a valid interface type. | 
IMAGE-ERR | Errors that occurred during the download and decryption of the image. |