Installation Manual MK-Series
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3.4 CONFIGURING SERIAL COMMUNICATION PARAMETERS
This section covers the configuration of each device port’s serial communication parameters:
baudrate, stop bit, etc.
SERIAL PARAMETER REVIEW
The following parameters need to be set correctly on the device port to ensure proper commu-
nication with your device. Refer to your device’s documentation for the appropriate settings.
PARAMETER
SETTING
FACTORY
DEFAULT
DESCRIPTION
NECES-
SITY
Baudrate
Support standard
baudrates (bps):
50/ 75/ 110/ 134/
150/ 300/ 600/
1200 1800/
2400/ 4800/
7200/ 9600/
19200/ 38400/
57600/ 115200/
230.4k/ 460.8k/
921.6k
* The NPort
5210/5230/5232I
Series, and IA
5000 Series are
up to 230.4 kbps
115200 bps
The data transmission rate to and
from the attached serial device.
Need to
9600
Data bits
5, 6, 7, 8
8
The size of each data character.
8
Stop bits
1, 1.5, 2
1
The size of the stop character.
1
Parity
None, Even, Odd,
Space, Mark
None
The parity that will be used. Even and
Odd parity provide rudimentary error-
checking; Space and Mark parity are
rarely used.
None
Flow control
None, RTS/CTS,
DTR/DSR,
Xon/Xoff
RTS/CTS
The method used to suspend and
resume data transmission to ensure
that data is not lost. RTS/CTS (hard-
ware) flow control is recommended.
Required
FIFO
Enable, Disable
Enable
Controls whether the device port’s buil-
In 128-byte FIFO buffer is used. When
enabled, the FIFO helps reduce data
loss regardless of direction.
Required
Interface
RS-232
RS-422
2-wire RS-485
4-wire RS-485
RS-232
The serial interface that will be used.
The options that are available depend
on the specific model of device server.
Set to
422
3. PASSTRHOUGH PORT MOXA
