Thermo Scientific Premium PC 200 Manual page 70

Appendix
Table 2
QUALIFIER BYTE
00 0 precision (1), no units of measure
10 1 precision (0.1), no units of measure
20 2 precision (0.01), no units of measure
11 1 precision (0.1), °C
21 2 precision (0.01), °C
12 1 precision (0.1), °F
22 2 precision (0.01), °F
1D 1 precision (0.1), °K
2D 2 precision (0.01), °K
Example: The temperature of 45.6°C would be represented by the qualifier 11 hex, followed by the 2 bytes 01
C8 hex (456 decimal).
Table 3 REQUEST STATUS (5 bytes)
BIT d1
b.7 RTD1 Open
Error
b.6 RTD1 Short
Error
b.5 RTD1 Open
Fault
b.4 RTD1 Short
Fault
b.3 0
b.2 0
b.1 0
b.0 0
Unit of Measure (not all used)
Index Unit
0 NONE
1 Temperature in °C
2 Temperature in °F
3 Flow liters per minute
4 Flow in gallons per minute
5 Time in seconds
6 Pressure in PSI
7 Pressure in bars
6
d2 d3
RTD2 Open High temp
Error fixed fault
RTD2 Short Low temp
Error fixed fault
RTD2 Open High temp
Warn fault
0 Low temp
fault
RTD2 Open* Low level fault
RDT2 Short* High temp warn
High RA temp Low temp warn
fault
HTC fault Low level warn
*Ignore this display
Unit of Measure (not all used)
Index Unit
8 Resistivity in MΩ-cm
9 %
10 Volts
11 Pressure in kPa
12 Conductivity in µS/cm
13 Temperature in °K
d4 d5
Beeper on External Sensor
controlling
0 Heat icon
flashing
Fault Heat icon on
Unit stopping Cool icon
flashing
Unit on Cool icon on
Pump on HPC fault
Compressor on MOL fault
Heat output > 0 Pump speed fault
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