MSA PrimaX - Appendix; Output States

10 Appendix
10.1 Output States
Display Alternating LED colour State Signal current Default
Green Normal 4 – 20mA
Yellow
[flashing]
Startup Service current 3mA
Yellow
[flashing]
Calibration Service current 3mA
CAL X Yellow Calibration invalid Service current 3mA
VCC k
X Yellow
Latched voltage
overrange [confirm on
device]
Service current 3mA
LOOP X Yellow
Loop not connected [-
PrimaXP]
LO m
X Yellow
Underrange
[< -10%]
Error current 2mA
LO m
X Green
Underrange
[< -2%] TOX
[< -5%] combustible
3.8 - 4mA
HI k
X Green Overrange 20 – 20.5mA
E-XX Yellow Error Error current 2mA
E-XX Yellow Safety critical error
Open loop
• 0mA
PrimaXP
• < 2mA
PrimaXI
Relay versions only
Display Alternating LED colour State Signal current
Red Alarm 4 - 20mA
Red
[flashing]
Latched alarm 4 - 20mA
Catalytic sensor only (P/N10112716)
LOC X Red LOC 20.5mA
LOC X Red Latched LOC 20.5mA
LOC: The PrimaX Gas Monitor has been exposed to a high gas concentration [above the LEL], and the over-
range condition still exists.
GB PrimaX 64
10 Appendix