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Vers. No. 1.084 Released: 2/12/20115 Configuration → Q.gate settings4. Synchronization of a Test Controller through SNTPMake sure that the Test Controller can access a time server inthe Ethernet network. Specify On for Host interface >SNTP > SNTP mode as well as the Server address (IPaddress of the time server).All other variants are combinations of theses methods:1. Synchronization of several Test Controllers through one syncline; the master controller can be synchronized through aGPS receiver or SNTP.Set the master up as described above (Settings > Synchro-nization > Input synchronisation protocol remains onNone). On the slave controllers specify Q.sync over RS485for Settings > Synchronization > Input synchronisationprotocol.2. Synchronization of several Test Controllers through one radioreceiver for time signals in conjunction with an additionalQ.pac Test ControllerConnect the time signal on the Q.pac Test Controller to thedigital IOs (plug terminal 2, connections 9 and 10). Connectthe Q.pac Test Controller to the Q.gate Test Controllersthrough the sync lines. Depending on the output signal, spec-ify AFNOR over IOs or IRIG B003/B005 over IOs for Set-tings > Synchronization > Input synchronisation proto-col on the Q.pac Test Controller. On the slave controllersspecify Q.sync over RS485 for Settings > Synchronization> Input synchronisation protocol.3. Synchronization of several Test Controllers through SNTP(without sync line)On all Test Controllers specify On for Host interface >SNTP > SNTP mode as well as the Server address (IPaddress of the time server).5.8.3.4 Ring buffersIn each case a ring buffer is available. When reading data fromthe buffer, all the (new) data are retrieved which are present inthe buffer. With the maximum buffer size (16 Mbyte is available)the transfer may take some time. Reduce the buffer if data areretrieved from the buffer only sporadically or not much data isinvolved.5.8.4 System variableHere, you specify in which format the time signature is to berecorded: Context menu for system variables Add Variable >ABSDATETIME. After a double click on the variable and a fur-ther click on Formula you can also select other formats (Fig. 5- |
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