Instruction manual

System Description
Electronics
Thermo Fisher Scientific Model 5030i SHARP Instruction Manual 8-7
External connectors include:
● External Accessory
● RS-232/485 Communications (two connectors)
● Ethernet Communications
● I/O connector with Power Fail Relay, 16 Digital Inputs, and 6
Analog Voltage Outputs.
Internal connectors include:
● Function Key Panel and Display
● Measurement Interface Board
● I/O Expansion Board
● Digital Output Board
● AC Distribution
The nephelometer interface board serves as the circuitry for the
nephelometer measurement, an internal valve control, and on board
processing of zero and particle concentration by photometry.
Connectors located on the nephelometer interface board include:
● RS485
● 24 VDC Supply
● LED Source Current
● Reference Detector
● Scattering Detector
● T/RH Sensor
The measurement interface board serves as a central connection area for all
measurement electronics in the instrument. It contains power supplies and
interface circuitry for sensors and control devices in the measurement
system. It sends status data to the motherboard and receives control signals
from the motherboard.
Nephelometer
Interface Board
Nephelometer interface
board connectors
Measurement Interface
Board