Alarm Indication

 

Alarm Indication

A local alarm display is invaluable to alert staff within a clean room that critical parameters are out of limits. The stainless-steel plate and wipe clean surface allow installation in high classification areas, offering information right where it is needed. A bright red lamp indicates the presence of one or more parameters that are out of compliance within the local area. A sounder announces the arrival of a new alarm condition and continues to sound until silenced by pressing the ‘mute’ button. This means that operators are made aware of potential problems at the earliest opportunity and can take appropriate action without leaving the clean room.

Alarm Message Display - AN1440

  • Four lines of 40 characters show local parameters currently in alarm
  • High intensity Red and Green lamps show ‘out of limits’ or ‘in limits’ conditions locally
  • Built-in sounder announces appearance of new alarm conditions
  • Local mute button silences the sounder without leaving the room
  • Sealed in a 316 stainless steel enclosure with polyester label
Alarm Message Display-AN1440

Alarm Indicator - AN1220

  • Red and Green Lamps show ‘out of limits’ or ‘in limits’ conditions
  • Built-in sounder announces appearance of new alarm conditions
  • Local mute button silences the sounder without leaving the room
  • Optional external beacon stack with sounder to announce new alarms
  • 316 stainless steel faceplate with plastic back box
Alarm Indicator AN1220

Watchdog Module - WD1220

The WD1220 Watchdog Module assures system integrity by continuously monitoring the health of the PC and informing users of potential problems at the earliest opportunity.

The Watchdog system comprises two parts; a software watchdog module that runs on the PC and the external watchdog hardware that indicates failure. A dedicated serial communications port on the PC is used to communicate with the watchdog hardware. The software watchdog module running within the enVigil server constantly examines the processes that perform the main functions of the enVigil software and verifies that they are running correctly. It also verifies that data log files are being created and updated in a timely manner. If any process hangs or the log files fail to update, the software watchdog informs the hardware watchdog module to sound an alarm. To further enhance system integrity, if the hardware watchdog module itself does not receive regular communication from the software watchdog, then it independently sounds the alarm. The sounder can be muted by pressing the mute button on the front, but the fault indication remains until the fault is rectified.

The WD1220 itself is a compact unit ideal for dado mounting using the back box supplied with it, or surface mounting using the optional stainless-steel mounting box.

  • Maximises system integrity by monitoring the health of the PC
  • Notifies potential problems at the earliest opportunity
  • Monitors processes within enVigil software
  • Verifies that data log files are being updated
  • Sounds alarm on failure
Watchdog Module WD1220

Accessories

The Alarm Indicator, Alarm Message Display and Watchdog Module can all drive an optional external beacon stack that can be ceiling or wall mounted. This can be mounted in a convenient or more visible location to continuously indicate system health.

Beacon
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