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T200H/M and 200EH/EM Menu Trees (05147J DCN7141)
Signal Name
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
12
ST_SYSTEM_OK2
18
MB_RELAY_36
13
OUT_CAL_MODE
17
ST_CONC_ALARM_1
18
MB_RELAY_37
13
OUT_SPAN_CAL
17
ST_CONC_ALARM_2
18
MB_RELAY_38
13
OUT_PROBE_1
19
ST_HIGH_RANGE2
18
MB_RELAY_39
13
OUT_PROBE_2
A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex
ST_SYSTEM_OK
ST_CONC_VALID
ST_HIGH_RANGE
ST_ZERO_CAL
ST_SPAN_CAL
ST_DIAG_MODE
20
ST_LOW_SPAN_CAL
11
ST_O2_CAL
07270D DCN7141
Bit or Channel
Number
0–3
4
5
6
7
0
1
2
3
4
5
6
7
APPENDIX A-4: M Signal I/O Definitions
Description
Spare
1 = system OK
0 = any alarm condition or in diagnostics mode
Controlled by MODBUS coil register
1 = calibration mode
0 = measure mode
1 = conc. limit 1 exceeded
0 = conc. OK
Controlled by MODBUS coil register
1 = span calibration
0 = zero calibration
1 = conc. limit 2 exceeded
0 = conc. OK
Controlled by MODBUS coil register
0 = select probe #1
1 = not selected
1 = high auto-range in use (mirrors ST_HIGH_RANGE
status output)
0 = low auto-range
Controlled by MODBUS coil register
0 = select probe #2
1 = not selected
0 = system OK
1 = any alarm condition
0 = conc. valid
1 = conc. filters contain no data
0 = high auto-range in use
1 = low auto-range
0 = in zero calibration
1 = not in zero
0 = in span calibration
1 = not in span
0 = in diagnostic mode
1 = not in diagnostic mode
0 = in low span calibration
1 = not in low span
0 = in O
calibration mode
2
1 = in measure or other calibration mode
A-15
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