Moxa NPORT 5110-T Manual do Utilizador descarregar pdf (Página 42)

NPort 5100 Series Web Console Configuration

5-19

Packing length

Setting Factory Default Necessity

0 to 1024 0 Optional

Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If the data

length (in bytes) matches the configured value, the data will be forced out. The data length can be configured

for 0 to 1024 bytes. Set to 0 if you do not need to limit the length.

Delimiter 1

Setting Factory Default Necessity

00 to FF None Optional

Delimiter 2

Setting Factory Default Necessity

00 to FF None Optional

Once the NPort 5100 receives both delimiters through its serial port, it immediately packs all data currently in

its buffer and sends it out the NPort 5100’s Ethernet port.

ATTENTION

Delimiter 2 is optional. If left blank, then Delimiter

1 alone trips clearing of the buffer.

If the size of the serial

data received is greater than 1 KB, the NPort

5100 will automatically pack the data and send it to the Ethernet.

However, to use the delimiter function, you must at least enable Delimiter 1. I

f Delimiter 1 is left blank and

Delimiter 2 is enabled, the delimiter function will not work properly.

Delimiter process

Setting Factory Default Necessity

Do nothing,

Delimiter +

1, Delimiter + 2

Strip Delimiter

Do Nothing Optional

[Delimiter + 1] or [Delimiter + 2]: The data will be transmitted when an additional byte (for Delimiter +1), or

an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter.

[Strip Delimiter]: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining

data is transmitted.

[Do nothing]: The data will be transmitted when the Delimiter is received.

Force transmit

Setting Factory Default Necessity

0 to 65535 ms 0 ms Optional

0: Disable the force transmit timeout.

1 to 65535: Forces the NPort 5100’s TCP/IP protocol software to try to pack serial data received during the

specified time into the same data frame.

This parameter defines the time interval during which NPort 5100 fetches the serial data from its internal buffer.

If data is incoming through the serial port, NPort 5100 stores the data in the internal buffer. NPort 5100

transmits data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time

interval reaches the time specified under Force transmit timeout.

The optimal Force transmit timeout 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

(10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms.

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