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APPENDIX A-4: Signal I/O Definitions
Teledyne API - T200, T204 and 200E Series (05295F DCN6900)
A-16
APPENDIX A-4: Signal I/O Definitions
Table A-4: Signal I/O Definitions
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
O3GEN_STATUS 3 0 = ozone generator on
1 = off
4–5 Spare
I2C_RESET 6 1 = reset I
2
C 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
20
2 0 = go into low span calibration
1 = exit low span calibration
REMOTE_RANGE_HI
21
3 0 = remote select high range
1 = default range
CAL_MODE_0
5
CAL_MODE_1
CAL_MODE_2
0
1
2 Three inputs, taken as binary number
(CAL_MODE_2 is MSB) select
calibration level and range:
0 & 7 = Measure
1 = Zero, range #3
2 = Span, range #3
3 = Zero, range #2
4 = Span, range #2
5 = Zero, range #1
6 = Span, range #1
4–5 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
06858E DCN7057