Appendix A-4: Signal I/O Definitions, Software Versions 1.0.3 (T-Series)/A.3 (E-Series) - Teledyne T802 Operation Manual

Appendix A

APPENDIX A-4: Signal I/O Definitions, Software Versions 1.0.3 (T-Series)/A.3 (E-Series)

Signal Name
Internal inputs, U7, J108, pins 9–16 = bits 0–7, default I/O address 322 hex
Internal outputs, U8, J108, pins 1–8 = bits 0–7, default I/O address 322 hex
I2C_RESET
I2C_DRV_RST
Control inputs, U11, J1004, pins 1–6 = bits 0–5, default I/O address 321 hex
EXT_CAL_MODE
EXT_CAL_SPAN
EXT_CAL_RANGE2
1
EXT_CAL_CO2
Control inputs, U14, J1006, pins 1–6 = bits 0–5, default I/O address 325 hex
Control outputs, U17, J1008, pins 1–8 = bits 0–7, default I/O address 321 hex
Control outputs, U21, J1008, pins 9–12 = bits 0–3, default I/O address 325 hex
Alarm outputs, U21, J1009, pins 1–12 = bits 4–7, default I/O address 325 hex
ST_SYSTEM_OK2,
3
MB_RELAY_36
ST_CONC_ALARM_1,
3
MB_RELAY_37
ST_CONC_ALARM_2,
3
MB_RELAY_38
ST_AUTO_RANGE2,
3
MB_RELAY_39
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Models T802, 802E Appendix A Menu Trees (Reference: 06530C DCN6418)
Table A-4: Signal I/O Definitions
Bit or Channel
Number
0–7
0–5
6
7
0
1
2
3
4–5
6–7
0–5
6–7
0–7
0–3
4
5
6
7
Description
Spare
Spare
2
1 = reset I C peripherals
0 = normal
0 = hardware reset 8584 chip
1 = normal
0 = go into calibration mode
1 = exit calibration mode and go into measure mode
0 = calibrate span
1 = calibrate zero
0 = calibrate range #2
1 = calibrate range #1
0 = calibrate CO
2
1 = calibrate O
2
Spare
Always 1
Spare
Always 1
Spare
Spare
1 = system OK
0 = any alarm condition or in diagnostics mode
Controlled by MODBUS coil register
1 = conc. limit 1 exceeded
0 = conc. OK
Controlled by MODBUS coil register
1 = conc. limit 2 exceeded
0 = conc. OK
Controlled by MODBUS coil register
1 = auto-range 2 in use
0 = auto-range 1 in use
Controlled by MODBUS coil register
Error!
07275B DCN6418