Page 15
MR-METI31 Technical Manual
Issue 1.0, August 2021
7.4. Serial Settings.
This
screen
allows
the
configuration
of
the
communication ports.
Serial Enabled / Disabled.
This setting allows the user to enable the MR-METI 31
serial communications port. This setting must be set to ‘Enable’
if communication with the relay through any serial link is required.
Drive Number.
This setting range 1 to 32, with a default setting of 1, identifies the MR-METI 31 unit to the Xcell unit (or any Master
device connected to the Data highway) to which the RS485 port is connected.
RS485 Baud Rate.
This setting allows the user to configure the appropriate communications baud rate such that the MR-METI 31 can
communicate effectively on the Data Highway to which it is connected.
RS485 Protocol.
The RS485 serial communications port may be configured to operate using a slave implementation of Modbus RTU®
or P&B Engineerin
g’s own protocol “P&B Standard”
RS485 Parity.
This setting allows the user to set the parity to match that of the host system on the serial link. The options are “Odd”,
“Even” and “None”.
RS232/USB Baud Rate.
This setting allows the user to configure the baud rate for the front mounted RS232/USB port.
RS232/USB Protocol.
The RS232/USB
serial communications port may be configured to operate using Modbus RTU® or P&B Engineering’s
own protocol “P&B Standard”.
RS232/USB Parity.
This setting allows the user to set the
parity to match that of the host system on the serial link. The options are “Odd”,
“Even” and “None”.
Serial Delay.
The MR-METI 31 may be configured to respond to a request for information from the serial port instantly or after a
designated delay.
Serial Settings
Y
Top
Serial
Y
N
Enabled
