Super Systems MGA6000 User Manual

Page 37

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SSi Manual #4563 Rev. D Page 37 Multi-Gas Model 6000

1900

copy of PIC_com_stat

1801

A/D Input 0 reading

1902

A/D Input 1 reading

1903

A/D Input 3 reading

1904

sensor reading

1905

PIC address

1906

bit 0 = Digital input 1 (PIC 0 only)

bit 1 = nu

bit 2 = Digital input 2 (PIC 0 only)

bit 3 = nu

bit 4 = PIC addr bit 0

bit 5 = PIC addr bit 1

bit 6 = Digital output; 0 = OFF (low), 1 = ON (high)

bit 7 = nu

bits 8 - 15 = version number x100

1907

Digital output control

1908

PIC A/D control

1909

read control

1910

zero read data from EErom

1911

span read data from EErom

1912

write control

1913

zero write data to EErom

1914

span write data to EErom

1915

read working register

1916

write working register

1917

Cell star value to send (1917 - 1918)

1919

Command to send to cell

1920

sensor start up timer (500ms increments)

1921

read SPI

1922

SPI data counter, high byte

1923

SPI store state 0 = normal operation (store)

1 = receiving data from boss, 2 = OK to send to Cell, 4 = sending to cell

1924

timer on SPI response, 10ms inc

1925

indicates

SPI

responded

1926

Last

command

used

1927

Result of the last command

* Registers 1928 to 1929 not used

* Data sent by IR cell in master mode
1930

decimal place //debug

1931

gas reading

* calc structure

1932

deg C (1932 - 1933)

1934

volts (1934 - 1935)

1936

atten (1936 - 1937)

1938

zero_volts_tc (1938 - 1939)

1940

span_volts_tc (1940 - 1941)

1942

atten_tc (1942 - 1943)

1944

curve_in (1944 - 1945)

* cal structure
1946

degCZ (1946 - 1947)

1948

degCS (1948 - 1949)

1950

Zero_volts (1950 - 1951)

1952

Span_Volts (1952 - 1953)

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