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Sensitron ST.PL4+ - User Manual

Sensitron ST.PL4+
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ST.PL4+
MANUALE D’INSTALLAZIONE ED USO
INSTALLATION AND USER MANUAL
SENSITRON S.r.l.
Viale della Repubblica, 48, 20010 CORNAREDO MI - ITALY
Tel: +39 02 93548155 Fax: +39 02 93548089
http://www.sensitron.it e-mail: sales@sensitron.it
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Summary

General Safety Warnings

Introduction to the ST.PL4+ Gas Control Panel

Technical Specifications

Details on power supply, consumption, inputs, outputs, display, and conformity standards.

Fuses

Identification and rating of fuses for main supply and battery backup.

Installation Procedures

Mechanical Fixing and Mounting

Instructions for physically mounting the control panel, including drilling and cable entry.

Main Board Layout and Connectors

Diagram and description of the main PCB, connectors, jumpers, and terminal blocks.

Language Selection Configuration

Guide to selecting the display language using jumpers on the microprocessor board.

Expansion Module Connection

Details on connecting the optional expansion module for additional detectors and outputs.

Self-Test Functionality

Explanation of the automatic self-test routine for verifying microprocessor and safety functions.

Connections and Wiring

Main Power Supply Connection

Procedure for connecting the 220Vac main power supply cable to the terminal board.

Detector Wiring Guidelines

Information on connecting 4-20mA detectors, including cable type, shielding, and maximum distance.

Technical Specifications and Operation Modes

Front Panel Overview

Description of status LEDs and push buttons on the control panel's front interface.

Battery Connection and Initial Startup

Procedure for connecting backup battery and performing first power-on and system initialization.

SET Mode Operation

Normal operating mode with detector signals managed and relays active.

Alarm Condition Indication

Panel indication of alarm states (A1, A2, A3) with LEDs, buzzer, and reset procedures.

Fault Condition Indication

Panel indication of fault states (FLT) with LED, buzzer, and reset procedures.

UNSET Mode Operation

Mode where detectors are managed, but relay outputs are not activated (key switch OFF).

Programming Mode Operation

Mode for parameter configuration, indicated by FLT LED and periodic beeps.

Low Battery Alarm Status

Indication of low battery condition with BATT/FLT LEDs and specific display message.

Over Range Alarm Status

Indication of over-range input signal with FLT, blocked readout, and reset procedure.

Programming Menu and Configuration

Input Channel Programming Example

Step-by-step example for programming a flammable gas detector input, including range and alarm thresholds.

Oxygen Detector Input Configuration

Guide for programming Oxygen detector inputs, setting range and depletion/enrichment thresholds.

Output Relay Timing Settings

Configuration of output relay behavior (latched, direct, delayed) for alarm events.

Factory Default Parameter Reset

Procedure to restore all settings to factory defaults, erasing custom configurations.

Warranty and Repair Information

Sensitron ST.PL4+ Specifications

General IconGeneral
BrandSensitron
ModelST.PL4+
CategoryControl Panel
LanguageEnglish