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APPENDIX A-4: T400 and M400E Signal I/O Definitions, Revision 1.0.0/E.3Teledyne API - Models T400 and 400E (04402F
DCN6340)
A-20
SIGNAL NAME
BIT OR
CHANNEL
NUMBER
DESCRIPTION
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_TEMP_ALARM
5
0 = any temperature alarm
1 = all temperatures OK
ST_FLOW_ALARM
6
0 = any flow alarm
1 = all flows OK
ST_PRESS_ALARM
7
0 = any pressure alarm
1 = all pressures OK
A status outputs, alternate status outputs factory option
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_DIAG_MODE
0
0 = in diagnostic mode
1 = not in diagnostic mode
ST_LOW_SPAN_CAL
1
0 = in low span calibration
1 = not in low span
ST_LAMP_ALARM
2
0 = any lamp alarm
1 = all lamps OK
3–7 Spare
B status outputs, alternate status outputs factory option
ST_TEMP_ALARM 0
0 = any temperature alarm
1 = all temperatures OK
ST_FLOW_ALARM 1
0 = any flow alarm
1 = all flows OK
ST_LAMP_ALARM 2
0 = any lamp alarm
1 = all lamps OK
ST_PRESS_ALARM 3
0 = any pressure alarm
1 = all pressures OK
4–7 Spare
Front panel I
2
C keyboard, default I
2
C address 4E hex
MAINT_MODE
5 (input)
0 = maintenance mode
1 = normal mode
LANG2_SELECT
6 (input)
0 = select second language
1 = select first language (English)
SAMPLE_LED
8 (output)
0 = sample LED on
1 = off
CAL_LED
9 (output)
0 = cal. LED on
1 = off
FAULT_LED
10 (output)
0 = fault LED on
1 = off
AUDIBLE_BEEPER
14 (output)
0 = beeper on (for diagnostic testing only)
1 = off
06870C DCN6332