Operator Manual
Page
21
of
40
P/N 1580281
SEC3120 Digital Transmitter
Sensor Electronics Corporation
Rev 10, 20150707
Select ENTER on MODBUS SETTINGS
to bring up the Modbus Settings Menu
Page 1 Screen
The operator may change the
Modbus Network ID mode by
moving the cursor to NET ID
selecting ENTER and using the
UP/DN arrows to change the
value to one of two modes:
-
UNIQUE
– where two sensors have different Modbus
network ID and zone values and can be addressed
independently on Modbus network,
-
SINGLE
– where one or both sensors share a single
Modbus network ID and zone ID and either sensor is
accessed by this network ID.
CAUTION: Only one edit is retained when leaving this menu.
When making changes to the ‘MODBUS SETTINGS’ menu
exit to the ‘SAVE CHANGES’ screen for each field being
changed.
Scroll down to the 2nd page of
the Modbus Settings Menu.
Select ENTER on PREVIOUS
MENU to return the screen to the
Network Menu.
Scroll down to and select ENTER on
PREVIOUS MENU to return the screen
back to the Main Menu Screen.
Select ENTER on SAVE CHANGES to
return the screen back to the Main Menu
Screen.
Scroll down to bring up Page 2 of the Main Menu
Screen.
Scroll down to PREVIOIUS MENU and select
ENTER to return the screen to the Initial/Top
Menu Screen.
Ready for next operation.
Set the Network and Zone IDs
NETWORK ID MENU
* MODBUS SETTINGS
PREVIOUS MENU
ONLINE
NO
SENSORS
IDENT
*
NET ID
SINGLE
485 BUS MENU
*
PREVIOUS MENU
NETWORK ID MENU
MODBUS SETTINGS
*
PREVIOUS MENU
*
SAVE CHANGES
ABORT CHANGES
CALIBRATION
ALARM
RELAY
*
NETWORK
HIDE LOW GAS
SELF TEST
SET DATE TIME
*
PREVIOUS MENU
EJECT MEMORY CARD
ABORT WARMUP
INFO
* MAIN MENU
ONLINE
YES / NO
SENSORS
UNIQUE
*
NET ID
UNIQUE *
485 BUS MENU
