Alarm Tests - Honeywell CM4 Technical Handbook

CM4 Four-Point Continuous Monitor
followed by:
1=LEDs ONLY 2=RELAYS
4. Press 2 to confirm the selection and activate all relays and
light all LEDs. The display reads:
PRESS RESET TO END
Press RESET to exit to the Service Menu without activating outputs.

8.3 Alarm Tests

8.3.1 Function 4.2.1-Alarm Indicator Test
Purpose
Use the alarm indicator test function to:
• Test alarm LEDs and relays for individual Points
• Select Level 1 and/or Level 2 Alarms for each point
NOTE:
The alarm test simulates an actual alarm condition and the CM4
activates the appropriate connected relays (including point alarms
and general alarms). Notify appropriate personnel that you plan to
conduct a test.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 4–SER VICE MENU, choose the subfunc tion
2–ALARM TESTS.
4 – SERVICE MODE
2 – ALARM TESTS
1 – ALM INDICATOR TEST
ENTER CODE
SIM ON NET 1=Y 0=N
CM4 Technical Manual
9XXXX
Pressing 0 causes the indication of simulated alarms to appear
only on the relays and front panel LEDs. Pressing 1 causes alarm
indication additionally to appear on the digital network. This includes
the L W , Control Net, Profibus and CM4 Serial Communication
®
on orks
protocol.
The display shows:
3. Press 1, 2, 3 or 4 to select the point for testing. The display
reads:
4. Use the numeric keys to press 1 or 2 to indicate Level 1 or
Level 2 Alarm. The display reads:
5. Repeat Step 4 to confirm the selection. The appropriate alarm
relays activate.
If desired, continue to select points and alarm levels for testing by
repeating steps 2 through 4.
Press RESET to exit the alarm test function, reset all alarm relays,
and return to the Service Menu.
8.3.2 Function 4.2.2-Simulated Alarm Test
Purpose
Use this function to simulate a gas concentration while the instrument
is in the Monitor Mode. In the Alarm Test Mode, the Model CM4 will
permit the insertion of the Optics Test Card into the optics block to
simulate a stain.
The Alarm Test Mode can be enabled or disabled using menu function
4.2.2 SIMULATD ALM TEST. When the Alarm Test Mode is activated,
the Model CM4 prints "ALARM SIMULATION MODE STARTING."
8-3
SELECT POINT
PT 1 LEVEL?
CONFIRM TEST