Appendix a model 6400eh, Teledyne analytical instruments – Teledyne 6400EH - Sulfur Dioxide Analyzer User Manual
Page 84

Appendix A
Model 6400EH
Teledyne Analytical Instruments
72
Appendix A-4: 6400EH Signal I/O Definitions,
Revision C.0
Table A-4: 6400EH Signal I/O Definitions, Revision C.0
SIGNAL NAME
BIT OR CHANNEL
NUMBER
DESCRIPTION
Internal inputs, U7, J108, pins 9–16 = bits 0–7, default I/O address 322 hex
0–7
Spare
Internal outputs, U8, J108, pins 1–8 = bits 0–7, default I/O address 322 hex
ELEC_TEST 0
1 = electrical test on
0 = off
OPTIC TEST
1
1 = optic test on
0 = off
PREAMP RANGE HI
2
1 = select high preamp range
0 = select low range
3–5
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
EXT LOW SPAN
2
0 = go into low span calibration
1 = exit low span calibration
3–5
Spare
6–7
Always
1
Control inputs, U14, J1006, pins 1–6 = bits 0–5, default I/O address 325 hex
0–5
Spare
6–7
Always
1
Control outputs, U17, J1008, pins 1–8 = bits 0–7, default I/O address 321 hex