96 H-S81-HS Installation & Operation Manual — P/N LS10114-000HI-E:A 2/24/2015
Parts of the H-S81-HS System Termination modules
2.5.5 S81-T8004-1
Description
This module controls 10 digital inputs, 16 open col-
lector outputs and a local sounder 250mA moni-
tored output for Fire alarm functions. Moreover, the
module checks the primary power supply voltage
for any ground fault (earth leakage). It can be com-
bined with module S81-T8001-1 to get 16 x 250mA
open collector outputs, or with modules S81-
T8007-1 and S81-T8007-2 to get 16 x SPDT con-
tacts.
Technical Features
Status Indications
The module includes 2 green LEDs with the following functions:
Configuration
The module includes a 1-way dip-switch used to enable the ground fault check on the supply volt-
age.
• Supply voltage: 22-29VDC
• Quiescent current: 100mA
• Max. current of open collector outputs 250mA, non protected
• Max. current of local sounder output 250mA, protected electronically
• Operating temperature: -5 - 50 °C
• Storage temperature: -30 - 80 °C
• Maximum humidity: 95% (RH) non-condensing
• Dimensions: W 135 x H 77 x D 50 mm
LED Indication
Power (Green LED) Steady on when supply voltage is detected
Link (Green LED) Steady on when the link for communication with module S81-U1006-1 is present
SW1 Description
On Supply voltage ground fault (earth leakage) check enabled
Off Supply voltage ground fault (earth leakage) check disabled
WARNING: EARTH GROUND
THE SUPPLY VOLTAGE OF THE H-S81-HS CONTROL PANEL IS NOT REFERENCED TO
EARTH. IN SOME DEVICES, SUCH AS PERSONAL COMPUTERS, THE POWER SUPPLY
NEGATIVE IS EARTHED FOR SAFETY REASONS. WHEN THESE DEVICES ARE CONNECTED
TO THE CONTROL PANEL, A GROUND FAULT (EARTH LEAKAGE) TROUBLE IS SIGNALED. TO
PREVENT THIS, MOVE THE SW1 DIP-SWITCH TO THE OFF POSITION.
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