MSA Ultima X Series Installation & Maintenance Instructions

2-3
OPERATION LEDs 4 to 20 mA FAULT RELAY
GREEN RED
NORMAL ON OFF Gas value Energized
steady
ALARMING OFF Flashing Gas value Energized
FAULT OFF ON 3.0 mA De-energized
steady
POWER OFF ON <3.75 mA De-energized
UP (HART steady
Version)
POWER OFF ON <3.1 mA De-energized
UP steady
(Non-HART
Version)
COUNT OFF ON steady ALERT option
1
disabled; Energized
DOWN (All 21.0 mA for O
2
; if ALERT option disabled
Versions) 3.75 mA for others
ALERT option
1
enabled: De-energized
3.75 mA for all if ALERT option enabled
3
SENSOR OFF ON steady 3.0 mA if Swap Delay De-energized if Swap Delay
MISSING/ timeout
2
expired, timeout
2
expired, Swap
COUNT- Swap Delay
3
disabled Delay
3
disabled or FAULT
DOWN or FAULT
Previous gas value Energized if Swap Delay
3
if Swap Delay
3
enabled enabled and Swap Delay
and Swap Delay timeout
2
timeout
2
not expired
not expired
SENSOR OFF ON steady 3.75 mA if cal signal Energized if ALERT
CAL enabled and ALERT option disabled
option
1
enabled;
gas value if cal signal
disabled
21.0 mA for O
2
if De-energized if ALERT
cal signal enabled and option enabled
1
ALERT option
1
disabled
CAL OFF ON steady 4 mA if 4 mA calibration Energized if ALERT option
4-20 selected disabled
20 mA if 20 mA De-energized if ALERT
calibration selected option enabled
1
CAL FAULT OFF ON steady Gas value De-energized two seconds
every minute
UNDER- OFF ON steady 3.0 mA if gas value De-energized
RANGE 0 or less;
gas value otherwise
OVER- ON OFF
4
21.0 mA Energized
RANGE/ steady
4
LOC

MSA Ultima X Series Specifications

General

Brand	MSA
Model	Ultima X Series
Category	Measuring Instruments
Language	English