Teledyne GFC-7000E - Trace CO2 Analyzer User Manual
Page 251
Model 360E Instruction Manual
APPENDIX A-4: MGFC7000E Signal I/O Definitions, Revision E.0
045840110 Rev B.3
240
APPENDIX A-4: MGFC7000E Signal I/O Definitions, Revision E.0
Table A-4: GFC7000E Signal I/O Definitions, Revision E.0
SIGNAL NAME
BIT OR CHANNEL
NUMBER
DESCRIPTION
SYNC_OK
0
1 = sync. OK
0 = sync. error
1–7
Spare
Internal outputs, U8, J108, pins 1–8 = bits 0–7, default I/O
ELEC_TEST
0
1 = electrical test on
0 = off
DARK_CAL
1
1 = dark calibration on
0 = off
2–5
Spare
I2C_RESET
6
1 = reset I2C peripherals
0 = normal
I2C_DRV_RST
7
0 = hardware reset 8584 chip
1 = normal
Control inputs, U11, J1004, pins 1–6 = bits 0–5, default I/O address 321 hex
EXT_ZERO_CAL
0
0 = go into zero calibration
1 = exit zero calibration
EXT_SPAN_CAL
1
0 = go into span calibration
1 = exit span calibration
REMOTE_RANGE_HI
2
0 = remote select high range
1 = default range
3–5
Spare
6–7
Always
1
Control inputs, U14, J1006, pins 1–6 = bits 0–5, default I/O
0–5
Spare
6–7
Always
1
Control outputs, U17, J1008, pins 1–8 = bits 0–7, default I/
0–7
Spare
Control outputs, U21, J1008, pins 9–12 = bits 0–3, default I/
0–3
Spare
Alarm outputs, U21, J1009, pins 1–12 = bits 4–7, default I/O
ST_SYSTEM_OK2
4
1 = system OK
0 = any alarm condition or in diagnostics mo
ST_CONC_ALARM_1
2 + 8
5
1 = conc. limit 1 exceeded
0 = conc. OK
ST_CONC_ALARM_2
2 + 8
6
1 = conc. limit 2 exceeded
0 = conc. OK
7
Spare
A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/
ST_SYSTEM_OK
0
0 = system OK
1 = any alarm condition
ST_CONC_VALID
1
0 = conc. valid
1 = hold off or other conditions
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