TSI Instruments SMPS 3938 - Page 213

Computer Interface C-7
Table C-2
Electrostatic Classifier Firmware Commands List (select)
Command
Title
Description
RMERRORS
Read Classifier
Errors
RMERRORS returns the classifier errors.
Example: RMERRORS returns a 32 bit integer. If the bit is set, there is
an error.
Bits 0
Impactor delta pressure > 5cm H
2
O but no impactor present
1
N/A
2
Impactor delta pressure < 5cm H
2
O but impactor is present
3
Impactor dP > 9.75 kPa
4
No DMA detected
5
Sheath flow rate 2% greater than setpoint for longer than
30 seconds
6
High voltage outside range of setpoint
7
Built in self-test failed
8
Case temp > 50 °C or < 5 °C
9
X-ray and radioactive neutralizer both installed
10
X-ray runtime hours too high
11
Corrupt detector data
12
N/A
13
N/A
14
N/A
15
N/A
16
aP sensor < 17 kPa and > 128 kPa
17
N/A
18
Blower over current
19
Detector efficiency file missing or not monotonic
20
Charge correction file missing
21
Data logging error
22
N/A
23
Not used
24
Detector firmware not supported
25
Sheath flow rate is stabilizing from a setpoint change