Confirmation I/P
This option sets two channels, one as an output and another as a confirmation input. Here the fire alarm
system monitors the external equipment. The confirmation input can be configured such that it can be
received within a predefined time called 'confirmation time'.
The acceptance of an active input signal can be delayed until it has remained active for a set period of time.
Additionally a verbose / silent (non verbose) setting is available. The verbose setting allows supervisory
message indication on change of input state and a timeout fault, given if a change of state has not occurred
within the confirmation time duration. The silent setting will only give a timeout fault.
This facility allows the fire alarm system to monitor external equipment.
Keyswitch mode
This feature is a future option.
Commissioning information
Interfaces (Low voltage)
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4
4188-873.02_Pt.2_04/07_DRAFT6_S4 LV Interfaces
The associated
channel
cannot be the same channel as
confirmation input channel.
output
The validation
delay takes account
of contact bounce.
The confirmation
delay is the time by
which a confirmation
must be given.
8
7
6
5
Ch. 2
Ch. 2 Confirmation Output
External
equipment
Ch. 1 Input
Ch. 1
4-I/O Interface
module
External equipment monitors the
fire alarm system
by Honeywell