MSA Ultima Series User Manual

7. Enter the desired value in an appropriate range for the gas type
used. (Leading zeros are required.)
• The DEL button can be used to delete number entries before
the ENTER button is pressed
• The Ultima Gas Monitor shows the new alarm setpoint value
and status of that setpoint [enabled (ON) or disabled (OFF)].
NOTE: The combustible alarm setpoint value cannot be set
greater than 60% LEL.
8. Aim the controller at the sensor and press the ENTER button.
• If the alarm setpoint value is greater than the full scale gas
concentration value, the Controller will not change the setpoint
value; re-enter an alarm setpoint value lower than or equal to
the full scale gas concentration value
• Repeat this procedure for each alarm level.
Setting the Three Ultima X Series Gas Monitor Alarm
Setpoint Values
The Ultima X Series Gas Monitor has three alarm levels.
The relay option provides:
• three levels of relays and
• a normally-energized trouble relay.
The three levels of alarm display on the Ultima X Series LCD display
even if the relay option is not installed.
To set the three levels of alarm:
1. Press the SEND button.
• The display prompts: SEND?
2. Press the ALARM button.
• The display prompts: 0=SetPt 1=OnOff.
3. To set the alarm values, press the 0 button.
• The display prompts: Alm Set Point #.
4. Using the NUMBER buttons, enter the desired alarm setpoint 1, 2
or 3; then, press the ENTER button. (Invalid entries are ignored.)
• The display prompts: SetPVal ####.##.
5. Using the NUMBER buttons, enter the desired value
(ATM style, lagging zeros are required).
3-8

MSA Ultima Series Specifications

General

Display	LCD with backlight
Communication Ports	RS-485, Modbus RTU
Measurement Range	Depends on sensor connected
Accuracy	Depends on sensor connected
Outputs	relays
Certifications	UL