Document #51073 Rev. A 1/19/99 P/N 51073:A
21
Input Channels
2.4
Input Channels
The 411UDAC has four channel inputs. Channel/input field wiring is supervised for opens (trouble), shorts (alarm)
and ground faults by the 411UDAC. All conditions are visually and audibly annunciated and, if programmed, com-
municated to a Central Station.
Each channel is a Style B (Class B) Initiating Device Circuit with the exception of channel/input 3 which can be con-
figured for Style B or Style D (Class A). All inputs can be connected to normally-open contact type devices. In addi-
tion, inputs 1 and 3 can be connected to conventional 2-wire smoke detectors. Refer to Figure 2-8, “Notification
Appliance Circuit Connections,” on page 24 for information on wiring Style B circuits. Figure 2-6 illustrates the con-
nection of the 411UDAC to a Fire•Lite MS-9200 and Figure 2-7 illustrates connection of the 411UDAC to a Notifier
AFP-200.
The channel/inputs may be programmed as shown below:
A maximum of five waterflow devices may be used on any circuit programmed as a waterflow zone per NFPA 72.
It is allowable to mix an assortment of device types (i.e. smoke detectors, heat detectors, pull stations, etc.) on any
zone. This is not recommended, however, since specific and detailed reports will not be possible (particularly critical
when using Contact ID format). For example, the report of general fire alarm versus pull station fire alarm or smoke
detector fire alarm could not be distinguished.
Note that process monitoring refers to circuits which do not specifically tie into elements of the fire system as defined
by NFPA codes. Process monitoring circuits could be used to monitor any nonfire functions such as water tempera-
ture, room temperature, door open/closed, gas leakage, chemical leakage, etc.
Process monitoring may be accomplished for Remote and Central Station type services in the following ways:
• Central and Remote Station
When a critical process is detected, the digital communicator/transmitter will transmit the critical process
alarm to the Central or Remote Station (if the default phone code for process monitor is changed to a value
other than zero).
Programming the input channel automatically programs the transmitted event code, however, the event code can be
changed since it is fully programmable. Event code transmissions can be tailored to the specific application and
requirements of the Central Station.
The factory default programming for each channel is as follows:
✓
Channel 1 - fire alarm (2-wire smoke)
✓
Channel 2 - pull station
✓
Channel 3 - fire alarm (2-wire smoke)
✓
Channel 4 - pull station
• 2-wire smoke detector (inputs 1 & 3 only)
• Pull station
• Normally-open contact device
• Host panel trouble
• Supervisory
• Supervisory autoresettable
• Waterflow silenceable
• Waterflow nonsilenceable
• Process monitoring
• Process monitoring autoresettable
Содержание Fire-Watch 411UDAC
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