Relay PCA 04523 | Addendum to |
2.4. Heater Control Loop
Thermistor(s) – Low Temperature Sensing:
(e.g. Sample Chamber and Reaction
Cell temperatures) |
| MOTHER BOARD | |
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| A/D |
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| Converter |
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| (V/F) |
| RELAY PCA |
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| Preamplifiers | CPU |
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| and Signal | |
|
| Conditioning |
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| THERMOCOUPLE |
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| CONFIGURATION | Cold Junction |
|
| JUMPER | Compensation |
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| (JP5) |
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Themocouple(s) | DC |
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|
Control |
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| |
(High Temperature Sensing; | Logic |
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e.g. Moly and HiCon |
| Solid State |
|
Converter temperatures) |
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| |
| AC Relays |
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DC HEATERS
AC HEATERS
Figure 2-7: Heater Control Loop Block Diagram.
While the role of the heater control lop for the
∙Both T/C’s can now be configured as either grounded or ungrounded thermocouples.
∙Standard configuration of the both type of thermocouples is 10 mV/°C. In order to accommodate the M200EH’s Mini
05118 Rev B3 | 11 |