Michell Instruments XTP601 - Page 52

XTP601 User’s Manual
44 97313 Issue 5, May 2018
APPENDIX B
Register Type I - Status/Error
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
rrrrrrrrrrrrrrrr
Bit HEX Meaning Namur LED
0 0001
Displays O2HSR or O2 depending on setting
(system)
N/A
1 0002
%O2 out of range (beyond calibration range,
e.g. 0-25%)
N/A
2 0004 AL1 ON YELLOW 1 ON
3 0008 AL2 ON YELLOW 2 ON
4 0010
Ext Comp i/p signal error
(input < 3.6mA or > 21mA)
RED FLASH
(priority2)
5 0020
Ext sens. signal error
(input < 3.6mA or > 21mA)
RED FLASH
(priority2)
6 0040
Cell T not stable
(not within ± 0.5 degC of setpoint for
continuous period of 5 minutes)
RED ON
(priority1)
7 0080
Cell T sensor error
(cell tempr measures <-50 or >80°C)
RED ON
(priority1)
8 0100
Press sensor error
(Press sensor < 850 or >1100 mbar)
RED ON
(priority1)
9 0200
O2 sensor error
(Vcomp <=1 or >=8191)
RED ON
(priority1)
10 0400
PCB tempr too high
(PCB tempr > Cell tempr setpoint)
RED ON
(priority1)
11 0800 N/A N/A
12 1000 N/A N/A
13 2000 N/A N/A
14 4000 Instrument is transmitter version (system) N/A
15 8000 N/A N/A