Description

The VESDA driver allows the FieldServer to read data from VESDA LaserPLUS controllers (FAS or FD type) via the VESDA High Level Interface (HLI) communications module, using ETA232. The FieldServer can be used only as a Client with this driver, and operates in the HLI Master/Slave mode.

Fieldserver Mode	Nodes	Comments
Client	1	1 HLI can be connected to each RS232 port
Server	nil	Not applicable

Formal Driver Type

Serial

Client Only

Connection Information

Connection type:	ETA232
Baud Rates:	19200 Baud (determined by VESDA HLI)
Data Bits:	8
Stop Bits:	1
Parity:	None
Multidrop Capability	No

Proprietary Physical Interfaces Supported

Fieldserver Model	Adapter Model #	Vendor	Physical Medium
X20, X40	VESDA HLI

Note: both LaserPLUS FAS (First Alarm Sector) and FD types are supportedVESDAETA232

Devices tested

Device	Tested (FACTORY, SITE)
VESDA HLI	FACTORY

Connection configurations

Communications functions – Supported functions at a glance

Data Types Supported

FieldServer Data Type	Description (or Device Data Type)
Analog Input	Smoke Level, Airflow
Digital Input	Pipe Status, Faults, Alarms
Analog Register	n/a
Digital Register	n/a
Analog Output	n/a
Digital Output	Remote Input commands

Read Operations supported

FieldServer as a Client	FieldServer as a Server
Read Analog / Binary Status:	n/a
Zone Update (Command 4)

Update Display Status (Command 10)

Current Fault Status (Command 12)

Update Airflow Status (Command 16)n/a

Write (control) Operations supported

FieldServer as a Client	FieldServer as a Server
Write Binary Commands:	n/a
Remote Input (command 6) – values: Reset, Isolate, De-Isolate, Silence, Test, Scan Start, Scan Stop	n/a

Unsupported Functions and Data Types

Function	Reason
Comprehensive Level Interface functionality	FieldServer is a data transfer device, and as such, programming and configuration messages are not implemented

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