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4 Description of Modules
ECO 9085 SOP05-5038F Rev.05 Effective Date: 12/06/18 Page 50 of 81
Temperature Sensor circuit
This circuit creates a temperature –depended voltage which is converted by software to
degree C. R190 can be adjusted to correct temperature setting.
Analog Channel and A/D Converter
The analog inputs from the amplifiers are connected to IC U21 and U22 ADC1 and
ADC2 converters. ADC 2 is in the schematic for future developments.
JP Connector explanation in the CPU board.
In order to fulfill all responsibilities of the CPU board and the program installed on it, is
equipped with a number of connectors to interface it with all peripherals. The description
of the JP connectors is as below:
JP1 - Graphic printer connector
JP2- NA
JP3 - Power connector receptacle.
JP4 - Display connector
JP5 – Valve board connector
JP6- NA
JP7 – Serial DB9 RS232 Connector
JP8 – USB1 Connector
JP9 – USB 2 Connector
JP10- RFID connector
JP11- JTAG connector
4.3.2.
Valve Board CN-A4018
The valve board contains the LED array used to illuminate the measuring chamber and
the interconnectors used for all solenoids, the peristaltic pump and the door sensor. A
ribbon cable from the CPU Board supplies the electrical connection for each signal
through connector JP5.
4.3.3.
Display Board CN-A4017/CN-A4059
The graphic display module TH16032A has a 160x32 resolution. The backlight is
adjustable and allows for changing the contrast. In the same board are all connection for
YES and NO buttons as well sample sensor and temperature sensor. The connection of
the display board with CPU board is done through ribbon cable connected to JP4 in the
CPU board. The new display board is equipped with two potentiometers for controlling
the backlight and the contrast in the display.
Note: Graphics Display is not compatible as a direct replacement with previous
generation.
Summary of Contents for SmartLyte
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