American access system ADV-1000 Betriebsanweisung PDF herunterladen (Seite 465)

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Muster System Precautions

When designing a muster system for use with WIN-

PAK it is important to keep the following

precautions in mind:

• Use a separate dropline [communication port] to

isolate muster readers from tracking units.

An alternate/additional communication path

from the N-1000 to the computer can be

achieved by using the N485DRLA (Digital

Redundant Loop Adapter).

NOTE: Muster readers are not used for controlling a

door.

• Run a special line for the muster units to provide

a unique data path, even if the wiring from the

main facility is damaged. Ideally, the tracking

units should also have a unique data path.

• Use 485 communications with ACK-NAK

enabled. A battery backup power supply is

required for the 485-API-2 on any PW-2000-II

Control Panel.

• Provide a UPS or other backup power source for

the WIN-PAK computer and any other associ-

ated communication devices.

• Provide a safe location for the computer and

communication.

• Keep the muster system on-line [not buffered] to

ensure timely and complete information.

• Perform regular checks to insure that the muster

system is functioning properly.

• Check that all panels are maintaining the correct

time and date. It is critical that the time and date

be correct on card reads at the muster readers. If

the time and/or date are earlier than that of

other reads in the system they will be ignored.

Programming

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