|Full name||Meaning||Unit||Default value|
|Command Confirm||Confirmation of control ASDUs.|
If CMDC=0, the process D2000 KOM is not waiting for confirmation of control ASDUs from the partner station using backward sending ASDU with other CauseOfTransmission, ASDU is consider to be confirmed when a packet containg corresponding ReceiveSequenceNumber is received.
If CMDC=1, the process D2000 KOM is waiting for confirmation with CauseOfTransmission=7 (Activation Confirmation).
If CMDC=2, the process D2000 KOM is waiting for confirmation with CauseOfTransmission=10 (Activation Termination).
If CMDC=3, the process D2000 KOM is waiting for confirmation with CauseOfTransmission=7 or 10 (if both of them are received, just the first of them is taken into account).
Having received the corresponding confirmation means that writing is finished (the Transient attribute of written value is evaluated and the WTn timeout stops elapsing).
If there is received confirmation with other CauseOfTransmission as the process D2000 KOM expect for, it will be ignored.
Writing is successful if received ASDU contains the P/N bit set to 0. Otherwise, writing is unsuccessful.
The value from a received ASDU is backwardly written into the corresponding I/O tag and is sent to the system. E.g. if an ASDU of type 50 (short floating point) with the value of 1200.0 is sent and the partner station sends an ASDU of type 50 as reply, P/N bit=0, value of 999.0 (e.g. due to physical limitations of the given parameter), the the value is to be send by the process D2000 KOM to the system.
|Debug Input||It is a mask for a debug level of the input data.|
A meaning of the bits:
- 1. bit - number of points received within General Interrogation
- 2. bit - a received values of I/O tags
- 3. bit - balanced mode: Interrogation command was received
|0 .. 255||0|
|Debug Output||It is a mask for a debug level of the output data.|
A meaning of the bits:
- 1.bit - balanced mode: a number of points sent within General Interrogation
- 2.bit - it shows a sent values of I/O tags
|0 .. 255||0|
|It allows a flag mapping which is compatible to Sinaut Spectrum ICCP OPC communication. For more information see ICCP compatible flag mapping.||YES/NO||NO|
The parameter allows to specify the flags of values (data ASDU 1-40), which - if set - will cause the value to be discarded. The parameter was implemented when it was necessary to filter out the "Non-topical" flag values that came from the communication partner.
The mapping of individual flags from ASDU to A..H flags is as follows:
- A - Overflow (OV) - ASDU 5-14, 20, 32-36
- B - no mapping (according to standard this bit should be 0)
- C - no mapping (according to standard this bit should be 0)
- D - Elapsed Time Invalid (EI): ASDU 17-19, 38-40
- E - Blocked (BL) - ASDU 1-14, 17-20, 30-36, 38-40
- F - Substituted (SB) - ASDU 1-14, 17-20, 30-36; Counter overflow (CY) - ASDU 15, 16, 37
- G - Non-topical (NT) - ASDU 1-14, 17-20, 30-36; Counter adjusted (CA) - ASDU 15, 16, 37
- H - Invalid (IV) - ASDU 1-20, 30-40
|Ignore Unknown Addresses||If IUA=TRUE, the process D2000 KOM will not show an error on its console or write it into log files in case that incoming value has the address not matching any of the addresses of I/O tags defined in the D2000 system.||-||False|
|Interrogation Covers Counter Interrogation||As a reply to Interrogation, there are also sending ASDU 15,16,37 (Integrated Totals), which are standard requested by ASDU 101 [Counter Interrogation].||-||True|
| K (max outstanding I APDUs)||Sending window size i.e. packet quantity, which is sent by the process D2000 KOM without receiving a confirmation (S-frame or I-frame). According to the standard, the default value is 12.||-||12|
| No Flags||If the parameter is True, then the status bit of incoming ASDUs is ignored and not saved into the flags FA...FH. Flags of output I/O tags are also ignored and they not set the status bit.||-||False|
| Order of IC||Order for sending ASDU 100 [Interrogation Command] when the station initializes to communicate or when creating a new station. If OIC<OCIC, ASDU 10 will be send before ASDU 101. If OIC=0, ASDU 100 will not be sent. The parameter can be set extra for each station.||-||1|
|Order of Counter IC||Order of sending ASDU 101 [Counter Interrogation Command] when initializing the connection. OCIC<OIC, ASDU 101 will be sent before ASDU 100. If OCIC=0, ASDU 101 will not be sent. The parameter can be set extra for each station.||-||0|
|Ping Count||Number of repetitions, after which the IP address not responding to ping is to be known as non-functional.|
See the parameter PTO.
|Ping TimeOut||If the parameter is other than zero, then defines the timeout (in milliseconds) of server response for ping (ICMP echo) packet. In the background, the process D2000 KOM sends ping packets to all defined IP addresses. If some of the addresses does not respond for PCNT-times, it is designated as non-functional and connection is terminated. If the parameter PTO= 0, sending ping packet to IP addresses is disabled.||-||0|
|Post Start Delay||When initializing the connection, delay between receiving StartDT Con response and sending Interrogation Command and/or Counter Interrogation Command.||ms||0|
| Ssequence ||Initial SSN. According to the standard, after establishing the connection the SSN is set to 0, other than zero could be appropriate e.g. for testing.||-||0|
|Server Port, Server Host||The port number and IP address of the interface, where the process D2000 KOM is to be listening. If both the parameters are defined, the process D2000 KOM is working as passive (is waiting for connecting Sinaut clients). If the process should listen on all network interfaces, there must be set SH=ALL.||-|
|Standby Keep Open||If True, after changing the status of process D2000 Server (the process D2000 KOM is connected to) from Hot into Standby state (redundant system), connection with partner will not be closed.||-||True|
| Station Communication Error||Number of unsuccessful attempts to connect after communication breakdown. The station status is changed into the state St_CommErr after reaching the number. For redundant lines, the communication must be either failed for both TCP connections or a TCP connection with standby-server must be functioning (see the parameters ICF3 and IT), i.e. data from the server are ignored.||-||2|
| Station Hard Error||Number of unsuccessful attempts to connect after communication breakdown. The station status is changed into the state St_HardErr after reaching the number. For redundant lines, communication must be either failed for both TCP connections or working a TCP connection with standby-server must be functioning (see the parameters ICF3 and IT), i.e. data from the server are ignored.||-||5|
|Strict Redundancy Connection Signalisation||Number of TCP connections, which must be opened so that the line could be considered as OK. There are 4 connections (2x Sinaut, each of them has 2 network addresses).||-||4|
|Tcp Keep Init||The parameter is implemented for use on OpenVMS platforms only. If it is other than zero, then defines the timeout (in seconds) for opening a new connection to server. For OpenVMS, the default value is 75 seconds, for Windows it is 20 seconds.||-||0|
|TCP NoDelay||TND parameter sets a low-level parameter of TCP_NODELAY sockets which switch off a default packet linking.|
|W (ack after receiving W APDUs)||Quantity of received packets, after which the process D2000 KOM sends an S-frame confirmation. According to the standard, the default value is 8. There must be true W < K, the standard recommends W = 2/3 * K.||-||8|
| Wait Timeout T1||Timeout for receiving the confirmation of a I-frame sent (either the confirmation within the I-frame or the S-frame itself) or a U-frame. If the process D2000 KOM does not get the confirmation in the time WT1, it closes the TCP connection. According to the standard, the WT1 default value is 15000 ms.||ms||15 000|
|Wait Timeout T2||Timeout for sending the confirmation of a I-frame received. WT2 < WT1. If another I-frame (which confirms the I-frame received) is not sent in the time WT2 since the I-frame was received, so the process D2000 KOM sends an S-frame confirming the received I-frame to the partner. According to the standard, the WT2 default value is 10000 ms.||ms||10 000|
|Wait Timeout T3||Timeout for sending test frames (U-frame TEST ACT). If no data are sent in any direction for a long time, an U-frame TEST ACT will be sent to the process D2000 KOM after expiration of the WT3 time and there is expected (in the WT1 time after sending) receiving a U-frame TEST CON. If the WT3 on the partner side is set to a lower value, it sends the test frames and the process D2000 KOM replies to them. According to the standard, the WT2 default value is 20000 ms. Setting the value to 0 disables sending test frames.||ms||20 000|
|Wait Timeout N||Timeout for receiving the confirmation of a value sent. Receiving e.g. S-frame with RSN (Receive Sequence Number) confirming, that the other party received previous I-frame doesn't mean, that the I-frame was processed. In the WTn time, the process D2000 KOM waits for receiving the response (e.g. after sending ASDU with TypeIdentificator=45 [Single Command] with CauseOfTransmission=6 [Activation] there is expected receiving Single Command with CauseOfTransmission=7 [Activation Confirmation].|
After the expiration of the WTn time, the process D2000 KOM closes the TCP connection.