Sensor Electronics SEC Millenium Series Instruction And Operation Manual page 85

the operator may create a configuration greater than ten total bits, the transceivers by default will adapt a
replacement frame that remains ten bits in length and will resemble the most common frame format.
Activating ModBus Communication - Put the SEC3120 Unit Online or Offline
EJECT MEMORY CARD
ABORT WARMUP
INFO
* MAIN MENU
CALIBRATION
ALARM
RELAY
* NETWORK
CALIBRATION
ALARM
RELAY
* NETWORK
HIDE LOW GAS
SELF TEST
SET DATE TIME
* PREVIOUS MENU
Set RS485 ModBus Line Settings (Data Bits, Stop bits, Parity and BAUD)
EJECT MEMORY CARD
ABORT WARMUP
INFO
* MAIN MENU
Operator Manual
SEC3120 Digital Transmitter
Scroll down to MAIN MENU and select ENTER.
Move the cursor down to the NETWORK menu and select
ENTER.
NETWORK ID MENU
* MODBUS SETTINGS
PREVIOUS MENU
* ONLINE
SENSORS
NET ID
485 BUS MENU
* ONLINE
SENSORS
NET ID
485 BUS MENU
* PREVIOUS MENU
NETWORK ID MENU
MODBUS SETTINGS
* PREVIOUS MENU
* SAVE CHANGES
ABORT CHANGES
Scroll down to Main Menu Page 2.
Scroll down to and select ENTER on PREVIOUS MENU
to return to the Initial/Top Menu Screen.
Scroll down to MAIN MENU and select ENTER.
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Sensor Electronics Corporation
Select ENTER on MODBUS SETTINGS to bring
up the Modbus Settings Menu.
The operator can place the unit actively
YES / NO *
on RS485 bus, or take it off by moving
UNIQUE
the cursor to ONLINE, selecting ENTER
UNIQUE
and using the UP/DN arrows to change
the value between YES and NO.
YES
Scroll down to the Modbus Settings
IDENT
Menu Page 2.
SINGLE
Select ENTER on PREVIOUS MENU to
exit the Modbus Settings Menu and
return to the Network Settings Menu
Screen.
Scroll down to and select ENTER on PREVIOUS
MENU to return to the Main Menu Screen.
Select ENTER on SAVE CHANGES. The screen
will return to the Main Menu.
P/N 1580281
Rev 10, 20150707