Michell Instruments XTC601 User Manual page 64

XTC601 User's Manual
Register Type I - Status/Error
15 14 13 12
r r r r
Bit HEX
0 0001
1 0002
2 0004
3 0008
4 0010
5 0020
6 0040
7 0080
8 0100
9 0200
10 0400
11 0800
12 1000
13 2000
14 4000
15 8000
Michell Instruments
11 10 9 8
r r r r
Meaning
% out of range (beyond calibration range,
e.g. 0-25%)
Low alarm ON
High alarm ON
Ext Comp i/p signal error
(input < 3.6mA or > 21mA)
Ext sens. signal error
(input < 3.6mA or > 21mA)
Cell T not stable
(not within ± 0.15 degC of setpoint for
continuous period of 15 minutes)
Cell T sensor error
(cell tempr measures <-50 or >80°C)
Thermal Conductuvity sensor error
(Vcomp <=1 or >=8191)
PCB tempr too high
(PCB tempr > Cell tempr setpoint)
Instrument is BLIND version (system)
7 6 5 4
r r r r
N/A
NA
N/A
N/A
N/A
N/A
APPENDIX D
3 2 1 0
r r r r
Namur LED
N/A
N/A
YELLOW 1 ON
YELLOW 2 ON
RED FLASH
(priority2)
RED FLASH
(priority2)
RED ON
(priority1)
RED ON
(priority1)
NA
RED ON
(priority1)
RED ON
(priority1)
N/A
N/A
N/A
N/A
N/A
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