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General| Brand | Hochiki |
|---|---|
| Model | HRA-1000 SERIES |
| Category | Control Panel |
| Language | English |
Overview of Hochiki HRA-1000 Series Remote Multiplex Annunciator panels and their capabilities.
Details enclosure models (HBB-1001, HBB-1002, HBB-1003) with dimensions for annunciator panels.
Information on label sheets and display behavior for HRA-1000/HRAX-1048 modules.
Specifies RS-485 wiring requirements including cable type, gauge, and connection topology.
Details the onboard 120 ohm EOL resistor and the JW6 termination jumper for RS-485.
Guidance on selecting appropriate gauge for 24 VDC field wiring based on annunciator count and run length.
Table of maximum wiring run lengths for RS-485 based on wire gauge, current, and loop resistance.
Warning about potential damage from connecting 24 VDC wires to RS-485 wiring.
Details functions of DIP switches SW1 (addressing) and SW2 (disabling buttons) on HRAM-1032.
Table illustrating DIP switch positions for setting annunciator addresses.
Diagrams and descriptions of RS-485 connections between Main and Adder Annunciator Chassis.
Descriptions of available enclosure models (HBB-1001, HBB-1002, HBB-1003) and their features.
Specifications for HRAM-1032 Main Annunciator Chassis and HRAX-1048 Adder Annunciator Chassis.
Guidance on calculating normal standby and maximum current drain for battery and wire sizing.
