Features
Dual port, bi-directional communications short circuit isolator:
Compatible with Simplex® 4007ES, 4008, 4010ES, 4100ES, or 4100U Series fire alarm control panel IDNet Signaling Line Circuits (SLCs) providing: IDNet, IDNet+, IDNet 1+, IDNet 2, or IDNet 2+2 output loops (see additional information on pages 2 and 3)
Either port can serve as an input or output, ports are automatically separated when a communications short circuit occurs
Isolation can also be activated from the control panel for system diagnostics
Mounts in standard 4” (102 mm) square electrical box, optional adapter plate is available to mount in a 4 11⁄16” (119 mm) square electrical box
LED flashes to indicate communications; optional covers are available to view LED after installation
TrueAlarm sensor base IDNet Isolators are also available, refer to data sheet S4098-0025 for details
UL listed to Standard 864
Description (Continued)
Status Tracking.
The isolator reports back to the panel when it is in isolation mode and the extent of shorted wiring is reported back to the panel by identifying device addresses that are not communicating. [Isolators are assigned sequentially to low number addresses to expedite SLC power-up.]
Earth Faults.
During installation, earth faults frequently occur. Finding these faults normally requires extensive wiring disconnection. With the 4090-9116 Addressable IDNet Isolator, earth faults on the IDNet communications lines can be quickly located to assist in their repair and to restore the system wiring to normal.
Description
4090-9116 Addressable IDNet Communications Isolators
provide IDNet communications isolation to improve installation convenience and increase system integrity. Isolation is automatically activated when an output short circuit is detected and isolation can also be selected manually from the control panel to assist with troubleshooting wiring problems.
Operation.
Isolators power-up in isolation mode and are directed to connect by the control panel. If the output wiring is acceptable, the isolator will connect to the rest of the circuit. If the output wiring is shorted, the isolator remains isolated.
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