Thermolator TW Series
UGH025-0504
D-2
A
PPENDIX
TW-1, TW-2 C
ONTROL
SPI S
TATUS
W
ORDS
Status, Process
Poll: 0x20 0x40
SPI STATUS WORD
Word BIT position 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
EEprom error
SET SET
*
A/D converter error
SET SET
*
CJC Error
SET SET
*
RAM hardware
SET SET
*
ROM checksum
SET SET
*
Probe Failure
SET SET
*
E/M Hi temp safety
*
Prog. Hi temp safety
*
Output monitor failure
SET SET
*
Low water pressure
SET SET SET
*
High deviation alarm
SET SET SET
*
Low deviation alarm
SET SET SET
*
Prog. Lo temp safety
*
Pump overload
SET SET
*
Low water level
SET SET
*
Test Mode
*
Phase error
*
NOTES:
*
The SPI I/O list defines the Processing bit as being cleared if the unit is not processing; otherwise it is SET.
Elsewhere on the chart:
l
If a bit is not shown to be SET, it is cleared.
l
The System Alarm bit is SET if an alarm is present. It is the logical OR of Process alarm and Machine alarm.
l
Processing, System Alarm, Process Alarm and Machine Alarm bits are repeated for Process Status, Machine 1
Status and Machine 2 Status.
Open
Open
Reserved
Reserved
Reserved
Reserved
Alarm, Low flow
Reserved
Alarm, Low pressure condition
Alarm, High pressure condition
Alarm, Low temperature deviation
Alarm, High temperature deviation
Alarm, Machine
Alarm, Process
Alarm, System
Processing
Summary of Contents for Thermolator TW
Page 68: ...Thermolator TW Series UGH025 0504 5 16 MAINTENANCE...
Page 102: ...Thermolator TW Series UGH025 0504 6 34 TROUBLESHOOTING...
Page 105: ...UGH025 0504 Thermolator TW Series APPENDIX B 1 PUMP CURVES...
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Page 114: ...TW 1 CIRCUIT BOARD UGH025 0504 PD 2...
Page 115: ...UGH025 0504 TW 2 CIRCUIT BOARD PD 3...
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