Charger Inhibit - Starts a 40 minute Charger Inhibit period (reduced voltage). Also initiates an automatic
self-test (if permitted). Panel Reset will terminate period.
Bells Output - For supervision, all alerting devices must have a series diode (eg. 1N4004), and
End of Line resistors must be fitted as follows: 1 Branch: 9k1 1% EOL, 2 Branches: 2 x 18k 1% EOLs,
or 3 Branches: 3 x 27k 1% EOLs. Maximum total load is 5A (subject to battery / charger capacity
limitations). Supervision can be disabled in programming.
Three links (R62 - R64) can be cut out to convert to 5 Amp clean contact (supervision must be disabled).
Ancillary Relay (Ar) - The ancillary relay on each board is a 30V, 5A max (Resistive) single pole
changeover relay. Ar defaults to ”Common Fire or Lamp Test” but is fully programmable for other uses.
On-Board Ancillary Outputs (A20-, A21-) - Two hard-wire open collector output tabs on each board
default to "Common Defect or Lamp Test" and "Common Normal or Lamp Test" respectively, but are
programmable for other uses.
Additional Relay/Ancillary Outputs - Access per board to the other 19 ancillary outputs is via a 26
Way Flat Ribbon Cable (J21) and a Mimic Termination Board (PA0702). All Outputs are 30V, 200mA
open collector drivers (except LAMP- also drives the internal lamp).
All ancillaries are programmable, but defaults are suitable for a hard-wired mimic. (See “Ancillary Output
Defaults” for default functions and Output Designation on the Mimic Termination Board).
Defect Buzzer Cancel Input (DBC-) (Master board only) - A momentary closure to 0V silences the local
mode defect buzzer.
External Defect Input (Ext DEF-) - Pull this input to 0V to generate a defect.
External Reset Input (Ext RST-) (Master board only) - Pull this input to 0V to generate a Panel Reset.
Evacuation Relay Drive Input (ERD-) (Master board only) - Pull this input to 0V to activate the alerting
devices (non-silencable). (To comply with latest standards, use Evacuation Control Zone circuit instead).
Not implemented in V4.00 software
Battery Charger - The internal battery charger is constant voltage and current-limited (13.65V, 2A
nominal), temperature compensated to suit an internal 12V sealed lead-acid battery. Multiple chargers
may be operated in parallel. For standby capacity of battery and charger combinations, refer to the
Technical Manual for calculation methods.
Programming Mode - To enter programming mode, press and hold all three Master board "Program"
buttons (Select, Mode, and Change) for 3 short beeps and 1 long beep. Insert the "Data Program Enable"
link in all boards if any changes are to be saved. Refer to "Programming Menu", “Programming Options
and Codes”, and the “Programming Flowchart” for options available.
Program Exit Options - If an "exit with save" is attempted with any of the "Data Program Enable" links
not installed, you will get a series of beeps and the system will remain in programming mode.
Simply insert the link(s) and try saving again, or press Function to bail out without saving any changes.
Programming mode times out after 4 minutes of inactivity, or by closing the door.
Page 4 4 July 2003 LT0312 v1.03
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