Logic State - Thermo Scientific 42i Instruction Manual

Digital Input Settings
Thermo Fisher Scientific
The Digital Input Settings menu displays a list of the 16 digital inputs
available, and allows the user to select the logic state and instrument
parameter for the relay selected.
Note The digital inputs must be asserted for at least one second for the
action to be activated.
Not all of the I/O available in the instrument is brought out on the
supplied terminal board. If more I/O is desired, an alternative means of
connection is required. (See optional
In the Main Menu, choose Instrument Controls > I/O Configuration >
●
Digital Input Settings.

Logic State

The Logic State menu item is used to change the selected I/O relay to
either normally open or normally closed. The default state is open, which
indicates that a relay connected between the digital input pin and ground is
normally open and closes to trigger the digital input action.
Press
●
normally closed.
▲
DIGITAL INPUT SETTINGS:
>1 NOP
2 NOP
3 NOP SET BACKGROUND
4 NOP CAL TO LO SPAN
5 NOP
RANGE AVG DIAGS ALARM
to toggle and set the logic state to normally open or
DIGITAL INPUT SETUP:
>LOGIC STATE
INSTRUMENT STATE
RANGE AVG DIAGS ALARM
Terminal Block and Cable
NO MODE
NOX MODE
NONE 
OPEN
Model 42i Instruction Manual
Operation
Instrument Controls Menu
Kits.) ▲
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