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Optional Remote Relays
General
The optional remote relay assembly offers a unique alarm system for all alarms generated from the
QuadScan II, which include warn, alarm and fail. Warn refers to the first level of alarming while alarm
refers to the second level (more serious) of alarming. The unit inputs the alarm signals, which can be
programmed to provide a variety of relay configurations to change the state of the 8 relays, when an
alarm condition exists. A terminal strip provides the interface between the relay contacts and the
customer shut down or corrective devices. All the relay configurations are programmed from the
display/function assembly. Be sure to consider the additional current requirements for all optional when
evaluating backup power sources.
Specific
The QuadScan II remote relay assembly (P/N 096-2691) has 3 major components:
NEMA-4X enclosure
Circuit board
Interface cable
NEMA-4X Enclosure
The enclosure measures 4-3/4" H x 6-23/32 " W x 3-3/16 "D. It provides a watertight, dust tight and
corrosive resistant enclosure for indoor or outdoor mounting.
Circuit Board
The circuit board (P/N 096-2688) provides terminal blocks and 6 – SPST relays and 2 – DPDT relays.
The 7400 provides the power required to switch the relays. The circuit board, relays and terminal blocks
can be reached by removing 4 inset Phillips head screws from the cover and it lifting off. TB 9 provides
the terminal interface between the remote relay assembly and the QuadScan II.
Terminals 1 – 4
Signal inputs.
5
Ground
6
+ Volts
TB 10 provides the terminal interface between the remote relay assembly and the required customer
shutdown or corrective action devices. Enclosure orientation for the terminal strip and relay description is
Содержание QuadScan II 7400
Страница 10: ...5 of 116 Quick Start Programming Menu Tree...
Страница 20: ...15 of 116 Figure 5 Mounting Dimensions of Model 7400...
Страница 24: ...19 of 116 Figure 9 Battery Backup P N 096 0719 Outline Interconnection Wiring...
Страница 60: ...55 of 116 Figure 13 Interconnect Wiring Between 7400 Remote Relay Assembly...