REXROTH 4WE6D61 Solenoid hydraulic control valve
REXROTH 4WE6D61 Solenoid hydraulic control valve
Scan Synchronous Function This function sets whether link scan is synchronized with the sequence scan, using the network parameter setting. 15.4.1 Synchronous mode Performs data link using the scan synchronized with the sequence program. The operation overview in the synchronous mode is shown in Figure 15.1. In general, the transmission delay is smaller in the synchronous mode than in the asynchronous mode. Select the synchronous mode if the transmission delay is noticeably long. However, as sequence scan is synchronized with link scan in the synchronous mode, the link scan is prolonged if the sequence scan is long. In this case, select the asynchronous mode.Important While in the synchronous mode, the scan time must not exceed the time specified for the corresponding transmission speed, as shown below. If the specified time is exceeded, a time out error occurs at each station and the station becomes faulty.
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