Operator Manual
Page
25
of
40
P/N 1580281
SEC3120 Digital Transmitter
Sensor Electronics Corporation
Rev 10, 20150707
Move the cursor down to the NETWORK menu and select
ENTER.
Select ENTER on MODBUS SETTINGS to bring up
the Modbus Settings Menu.
RS485 Bus Settings Menu
The operator may change the Modbus RS485
settings by selecting ENTER on 485 BUS
MENU. The following sub-menu will show:
485 Bus Default Settings
The operator can set the 485 bus to
communicate using SEC DEFAULT line
values by moving the cursor to COMM-
DEFAULT and selecting ENTER. The
default values are 9600 baud, 8 data bits,
no parity and 2 stop bits. The following
display is shown:
This is just an informational box
to indicate what the settings are.
The operator may select ENTER
to return to the 485 bus menu.
485 Bus Alternate Settings
The operator can set the 485 bus to
communicate using SEC ALTERNATE
line values by moving the cursor to
COMM- ALTERNATE and selecting
ENTER. The alternate values are 9600
baud, 8 data bits, no parity and 1 stop bit.
The following display is shown:
This is just an informational box
to indicate what the settings are.
The operator may select ENTER
to return to the 485 bus menu.
485 Bus Custom Settings Menu
The operator can set the 485 bus to
custom communication settings by
moving the cursor to COMM- CUSTOM
and selecting ENTER. The following
screen will show:
The operator may change the
data bits by moving the cursor to
DATA BITS and select ENTER,
then using the UP/DN arrows to
*
COMM- DEFAULT
COMM- ALTERNATE
COMM- CUSTOM
PREVIOUS MENU
ONLINE
YES / NO
SENSORS
UNIQUE
NET ID
UNIQUE
* 485 BUS MENU
DEFAULT COMM PARAMS
F BITS: 8 S BITS: 2
PAR: N RATE: 9600
-ENT- TO CONTINUE
COMM- DEFAULT
*
COMM- ALTERNATE
COMM- CUSTOM
PREVIOUS MENU
ALT. COMM PARAMS
F BITS: 8 S BITS: 1
PAR: N RATE: 9600
-ENT- TO CONTINUE
COMM- DEFAULT
COMM- ALTERNATE
*
COMM- CUSTOM
PREVIOUS MENU
*
DATA BITS EIGHT *
STOP BITS TWO
PARITY NONE
BAUD RATE 9600
CALIBRATION
ALARM
RELAY
*
NETWORK
NETWORK ID MENU
*
MODBUS SETTINGS
PREVIOUS MENU
