Wheelock SAFEPATH SAPE-1AB, Руководство по эксплуатации и установке

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SAFEPATH Manual Sheet 16 of 78
Rev. C April 1999
System Pause
The ability to have a pause between messages is provided. Having a pause between all playing messages prevents messages
from “running together” and then being misunderstood. The system pause may be any value from 1 to 999 seconds. The system
pause is programmed directly into SAFEPATH panels configured with a DX-200. In SAFEPATH panels configured with a DX-100,
the system pause is programmed by first setting the required value on a Series DV-200 and then transferring the Series DV-200’s
configuration.
Supervision
A trouble condition indicates that the supervision functions have detected a malfunction in the SAFEPATH panel. When a trouble
condition is detected, the SAFEPATH panel may not be able to receive and/or remember message requests from the control panel.
The installer and/or user must make sure that any message requests to the SAFEPATH panel during a trouble condition are
reactivated if necessary, when the SAFEPATH panel returns to normal.
If a trouble condition is detected by any of the supervision functions, the SAFEPATH panel Form C status relay (normally
energized) will change state, the green system normal LED will turn off, and the amber trouble LED will turn on. The status relay
contact closure must be properly connected to and used by the control panel to indicate a system trouble. At the same time an
amber trouble location LED will identify the location of the trouble condition. If a trouble condition is indicated, follow the procedures
in the "Troubleshooting and Servicing" section.
WARNING: DO NOT LEAVE THE SAFEPATH PANEL IN A TROUBLE CONDITION AS, IT MAY NOT PLAY WARNING
MESSAGES WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO
YOU AND/OR OTHERS. IF SAFEPATH INDICATES A TROUBLE CONDITION: (1) PROVIDE UL REQUIRED
ALTERNATIVE SIGNALING AND (2) HAVE QUALIFIED SERVICE PERSONS IMMEDIATELY REPLACE
UNIT(S) THAT HAVE MALFUNCTIONED.
WARNING: MESSAGES REQUESTED BEFORE AND DURING A TROUBLE CONDITION MAY NOT BE HEARD, WHICH
COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
IF MESSAGES REQUESTED BEFORE AND DURING A TROUBLE CONDITION ARE STILL NECESSARY,
THEY SHOULD BE REPEATED WHEN THE SAFEPATH PANEL IS RETURNED TO NORMAL.
Input Voltage Supervision
Input voltage is supervised, and if the input voltage drops below the operating minimum voltage, the SAFEPATH panel will transfer
to battery back-up power and indicate a trouble condition.
Program Memory Supervision
The digital voice module’s program memory is supervised using a sumcheck technique to detect any changes in the stored data. If
a change is detected, the digital voice module will stop operating and the SAFEPATH panel will indicate a trouble condition.
Message Memory Supervision
The digital voice module’s message memory is supervised using a sumcheck technique to detect any changes in the stored data. If
a change is detected, the digital voice module will stop operating and the SAFEPATH panel will indicate a trouble condition.
Microprocessor Supervision
Each microprocessor within the SAFEPATH panel has a watchdog circuit that supervises the processor and resets it (if necessary)
or maintains a trouble condition if the microprocessor cannot be restarted. Each watchdog circuit constantly monitors the
functioning of its microprocessor and, if the microprocessor fails to function properly, will attempt to reset and restart the
microprocessor.
Expansion Module Supervision
If there are any DV-EM’s connected to the SAFEPATH panel, the SAFEPATH panel will automatically detect their presence. It will
then monitor these expansion modules. Thereafter, if any expansion module is disconnected, the SAFEPATH panel will indicate a
trouble condition.
Input Line Supervision
All input lines (for contact closure or transistor activation) are supervised for open circuits and ground faults. Input line supervision
requires a LISTED 10K end-of-line resistor to be installed on each input including all unused and unsupervised inputs. Internal
digital voice module circuitry is also supervised
To comply with NFPA requirements for interconnection of fire alarm control equipment, the SAFEPATH panel must be located in the
same room as, and within 20 feet of, a listed compatible fire alarm control panel with the wiring enclosed in conduit and properly
connected to such panel.
WARNING: THE INPUT LINE SUPERVISION DETECTS ONLY OPEN CIRCUITS AND GROUND FAULTS. IF THE
INPUT LINE SUPERVISION IS NOT INSTALLED AS INDICATED, THE SAFEPATH PANEL WILL BE
UNABLE TO DETECT OPEN CIRCUITS AND GROUND FAULTS ON THE INPUT LINE WHICH COULD
RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.