Inhibit and alarm test mode, System diagnostics – Detcon X40-32-N7 User Manual
Page 51

Model X40
Model X40 Instruction Manual
Rev. 3.3
Page 45 of 64
Silenceable or Non-Silenceable
NOTE
It is generally recommended to set the FAULT relay as energized so that it will trip upon
loss of power.
NOTE
The FAULT condition is assigned to the FAULT relay as a standard.
It cannot be
disengaged in the configuration of the controller. The Main Display will show IN FAULT
for any channel that is in fault.
5.2.5
Inhibit and Alarm Test Mode
Inhibit mode permits testing of sensors while preventing alarms from being activated. Alarm test mode
permits testing of the attached alarm devices without applying gas to the sensors
1. Upon entering this menu, the LCD will display:
INHIBIT & ALARM TEST MODE
INHIBIT MODE:
|
ALARM TEST MODE:
#:##
|
START
|
OFF
2. These values can be changed by swiping the magnet over the markers of the up or down arrows to
move the arrow prompt "
→" to the desired function. A swipe over:
The ENTER marker will select the function indicated by the arrow prompt "→".
The markers of the up or down arrows will change the value.
The ENTER marker will save the selected value.
3. Activate inhibit mode by entering the timer value in minutes and seconds (0-60 minutes).
4. Select START and all relay outputs on the network will be disabled until the timer reaches 0 or is
manually stopped by the user by turning off the inhibit mode.
5. Activate alarm test mode to verify that connected alarm devices are functioning properly by
swiping the magnet over the markers. All channels will simultaneous go from 0 to full scale in 5%
increments. When they reach full scale they will return to 0 in 5% increments. This will continue
indefinitely until alarm test mode is turned off.
6. Verify that the relays fire according to their configuration as the readings cross their respective
alarm set points.
5.2.6
System Diagnostics
The System Diagnostics menu performs function tests for the following:
LCD display,
Panel LEDꞌs,
External reset switch,
Relays, and
Modbus™ interface.
Upon entering this menu, the X40 controller will automatically initiate a function test that displays every
pixel LCD display. The controller then performs a function test of the LED drivers by activating all four