Page 117 - Gas Detection Systems Training Manual
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Figure 7: Changing the 3120 Network ID Mode
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
* NETW ORK
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
Then highlight the Net ID item and activate enter:
Modbus Settings Menu 1
ONLINE SENSORS
* NET ID
485 BUS MENU
YES UNIQUE SINGLE *
Modbus Settings Menu 2
PREVIOUS MENU
Using the up/down arrows, change the value to "Single" (for our example). Press enter, and note that the asterisk to the right of the value now disappears. Scroll down to and choose the "Previous Menu" item to exit to the Network Top Menu (which will bring
SEC 3120 16-bit Modbus Manual Page 16 Of 46 Sensor Electronics Corporation For Version 1.2 and above December 2012 P/N 1580282, Rev. 1, 20121228
