Flash Trigger Board; Flash Intensity Board; I/O Expansion Board (Optional); I/O Components - Thermo Scientific 43i Instruction Manual

Flash Trigger Board

Flash Intensity
I/O Expansion Board
(Optional)

I/O Components

Analog Voltage
Thermo Fisher Scientific
also includes signal buffers for the graphics display control signals and a
high voltage power supply for the graphics display backlight.
The flash trigger board is located in the base of the flash lamp assembly. It
receives high voltage and the trigger signal from the measurement interface
board and uses a small transformer to produce a short, high-voltage pulse to
fire the flash lamp.
The flash intensity board amplifies the lamp intensity signal detected by the
photodetector which is used to control the lamp voltage.
Board
The I/O expansion board connects to the motherboard and adds the
capability to input external analog voltage inputs and to output analog
currents via a connector located on the rear panel of the instrument. It
contains local power supplies, a DC/DC isolator supply, a sub-processor
and analog circuits. Eight analog voltage inputs are provided with an input
voltage range of 0V to10VDC. Six current outputs are provided with a
normal operating range of 0 to 20 mA.
External I/O is driven from a generic bus that is capable of controlling the
following devices:
Analog output (voltage and current)
●
Analog input (voltage)
●
Digital output (TTL levels)
●
Digital input (TTL levels)
●
Note The instrument has spare solenoid valve drivers and I/O support for
future expansion.
The instrument provides six analog voltage outputs. Each may be software
configured for any one of the following ranges, while maintaining a
Outputs
minimum resolution of 12 bits:
0-100mV
●
0-1V
●
0-5V
●
0-10V
●
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Model 43i Trace Level-Enhanced Instruction Manual
System Description
I/O Components
8-9