I/O Expansion Board (Optional) Replacement - Thermo Scientific 48i Instruction Manual

I/O Expansion Board
(Optional)
Replacement
Thermo Fisher Scientific
4. Wait at least 10 seconds for the ambient reading to stabilize, use
and
press to save the temperature value.
5. Install the cover.
Use the following procedure to replace the optional I/O expansion board
(Figure 7–15).
Note After replacing the optional I/O expansion board, calibrate the
current outputs and the analog voltage inputs. See
Calibration" on page 7-29
this chapter. ▲
Equipment Required:
I/O expansion board
Nut driver, 3/16-inch
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly ground antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Unplug the I/O expansion board cable from the EXPANSION BD
connector on the motherboard.
3. Remove the two standoffs holding the I/O expansion board connector
to the rear panel (Figure
4. Pop off the board from the mounting studs and remove the board.
5. To install the I/O expansion board, follow previous steps in reverse.

I/O Expansion Board (Optional) Replacement

to enter the known temperature, and
and "Analog Input Calibration" on page
7–16).
Model 48i Trace Level-Enhanced Instruction Manual
Servicing
"Analog Output
7-30
▲
in
7-33