• These default setpoints are factory-set. The user can change
these setpoints; see Chapter 1, "Changing Parameter Settings."
• Are available as N/O (normally-open) or
N/C (normally-closed) contacts.
• For Normally-Open contacts:
• Upon activation, the relay contacts close to provide an
electrical path. These contacts remain closed as long as:
• The alarm condition exists within the Monitor or
• The latching mode is selected and the RESET
button has not been pushed.
• For Normally-Closed contacts:
• Upon activation, the relay contacts open to interrupt the
electrical path. These contacts remain open as long as:
• The alarm condition exists within the Toxgard II Gas
Monitor or
• The latching mode is selected and the RESET
button has not been pushed.
• See Chapter 1, "Dip Switch Settings" to determine the dip
switch settings for the other alarm options.
Fault Relay
• During normal operation, the Fault relay is energized.
• When a fault is detected or power is cut or turned OFF, the
relay changes state. The form C contact can be wired as either
normally-open (NO) or normally-closed (NC) for your needs.
• See the Chapter 5, TABLE 5-1, Troubleshooting Guidelines for
causes of faults.
Horn Relay/Audible Outputs
Audible Outputs
• The Toxgard II Monitor comes equipped with one of the
following audible alarms:
• Piezo Horn (standard) - 75 db at five feet
• Federal Horn - 95 db at five feet (not adjustable)
• Adjustable-Tone Banshee Horn - 95 db at five feet
(See Chapter 1, "Banshee Horn Audible Settings").
• The Audible Alarm sounds when the Toxgard II Monitor enters
a Fault or Alarm State, if that option is enabled (see TABLE 1-5)
• These options are factory-set at time of purchase.
Chapter 1, Set-up
1-13
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