Teledyne 6400EH - Sulfur Dioxide Analyzer - Manual (Page 85)

UV Fluorescence SO2 Analyzer Appendix A
Teledyne Analytical Instruments 73
SIGNAL NAME BIT OR CHANNEL
NUMBER
DESCRIPTION
0–7 Spare
Control outputs, U21, J1008, pins 9–12 = bits 0–3, default I/O address 325 hex
0–3 Spare
Alarm outputs, U21, J1009, pins 1–12 = bits 4–7, default I/O address 325 hex
ST SYSTEM OK2 4
1 = system OK
0 = any alarm condition or in diagnostics
mode
5–7 Spare
A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex
ST_SYSTEM_OK 0
0 = system OK
1 = any alarm condition
ST_CONC_VALID 1
0 = conc. valid
1 = warnings or other conditions that
affect validity of concentration
ST_HIGH_RANGE 2
0 = high auto-range in use
1 = low auto-range
ST_ZERO_CAL 3
0 = in zero calibration
1 = not in zero
ST_SPAN_CAL 4
0 = in span calibration
1 = not in span
ST_DIAG_MODE 5
0 = in diagnostic mode
1 = not in diagnostic mode
ST_LOW_SPAN_CAL 6
0 = in low span calibration
1 = not in low span
7 Spare
B status outputs, U27, J1018, pins 1–8 = bits 0–7, default I/O address 324 hex
ST_LAMP_ALARM 0
0 = lamp intensity low
1 = lamp intensity OK
ST_DARK_CAL_ALARM 1
0 = dark cal. warning
1 = dark cal. OK
ST_FLOW_ALARM 2
0 = any flow alarm
1 = all flows OK
ST_PRESS_ALARM 3 0 = any pressure alarm