Page 358 - Gas Detection Systems Training Manual

Using the up/down controls, change the ID value to the desired value. Activate enter. You may also change the Zone value as well. If you are not in Single Sensor Role, you may also scroll up and change the sensor number to TWO and repeat the process if you are choosing to set different network IDs.
Once you are done, scroll down and choose the "Previous Menu" item to exit to the Network Top Menu. Scroll down and choose the "Previous Menu" item to exit to the Main Menu (which will bring up the Save or Abort confirmation). Scroll down to and choose the "Previous Menu" item to exit to the Top Menu. Scroll down to and choose the "Exit" menu item to exit and return back to the Main Status Screen.
Figure 9: Changing 3120 485 Bus Settings
After entering the menu system, choose the Main Menu:
Top Menu 1
↑EJECT MEMORY CARD ABORT WARMUP
INFO MENU
*↓MAIN MENU
Top Menu 2
↑SEC DIAGNOSTICS RESET RELAYS FORMAT FLASH CARD
↓EXIT
Then choose the Network Menu:
Main Menu 1
↑CALIBRATION ALARM RELAY
*↓NETWORK
Main Menu 2
↑HIDE LOW GAS SELF TEST
SET DATE TIME
↓PREVIOUS MENU
Then choose the Modbus Settings Menu:
Network Top Menu
NETWORK ID MENU
* MODBUS SETTINGS
PREVIOUS MENU
SEC 3120 16-bit Modbus Manual For Version 1.2 and above
Page 18 Of 46 December 2012
Sensor Electronics Corporation P/N 1580282, Rev. 1, 20121228