NPort W2150/2250 Plus Series User’s Manual Web Console: Serial Port Settings
7-10
Force Transmit
Default
0 ms
Options
0 to 65535
Description
This field controls data packing by the amount of time that elapses between bits
of data. When using this field, make sure that Inactivity time is disabled or set
to a larger value. Otherwise the connection may be closed before the data in the
buffer can be transmitted.
0: If serial data is not received, the NPort will wait indefinitely for additional
data.
1 to 65535: If serial data is not received for the specified amount of time, the
data that is currently in the buffer will be packed for network transmission. The
optimal force transmit time depends on your application, but it must be at least
larger than one character interval within the specified baudrate. For example,
assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no
parity. In this case, the total number of bits needed to send a character is 10 bits,
and the time required to transfer one character is 8.3 ms, so the force transmit
time to be larger than 8.3 ms.
Settings for RFC2217 Mode
When Mode is set to RFC2217 on a serial port’s Operation Modes page, you will be able to
configure additional settings such as TCP alive check time, TCP port, and Packet length.
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