Super Systems MGA6000 User Manual
Page 37

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)