ALPA ΣLCD
Contents
1. the picture 2 OK At least one of the detectors is in the MEASURE OK Mode None of detectors is in the MEASURE status At least one of the detector SERVICE is in the CAL or TEST Mode None of detectors is in the SERVICE status None of devices in the system is FAILURE in the FAILURE status PK 4 ALARM from a detector RelayPk4 Alarm HOLD output Operator Operator 8g z g igs B25 os 6 2 i i oq B Bg Sg 8 i68 Eg S E 32 83 es EHE TE 8 aa e o iage Picture 1 DIGITAL INPUTS ALARM from a detector At least one device in in Failure mode or powered off ae a2 ce FE 8 ces gt ae 328 5 giz TERET 39 8 FERET a gi HREH 8 gig S58 25 Picture 2 DI 1 Disable Internal buzzer Deactivate External Audible Alarm Reset Hold Visual Alarm ao ATEST Gaz Sp j www atest gaz com pl CONNECTIONS oo Joo 1 2 3 apo ve ve eom ve vo Joon ne wo cou ne no cow Powersupply 19 30 V DO wwe oo w e w a o Issulated relay output ecscccece coccce coecce pK F PK3 PK4 ats ALPA LCD 7 BS Gaz PK6 PK7 n PK8 SBUS BUS of control units or is s 4 PRACA AWARIA detectors ooo o a _ EXBUS BUS for external devices A RSP eoccccece eosece coecee 7 RS sBus exeus es m w je ALB e A B eom no we feom wo ne om re we com re Tre TECH2. NICAL DATA 10 30 V 5 W 050 C on DIN35 TS35 rail 0 1V not active 10 30V active Floating not protected contacts 10 90 without condensation 0 4kg Details in the User Manual a ORDER EXAMPLE DIMENSIONS system control unit ALPA LCD
3. cal failures yellow Failure LED flashes green OK LED is on An example of non critical failure is expiration of the calibration period Non critical failure indicates that measuring reliability of an appropriate detector might have been impaired critical failures yellow Failure in ON green OK LED is OFF An example of critical failure is no signal from the detector Memory When the particular signals deactivates a flashing MEM note on LCD display appears It means that history of events is not empty and may be checked Outputs The ALPA LCD Control Unit has eight widely configurable re lay outputs It is possible to gt activate or deactivate a relay on any combination on signals from one or more detectors alarms or failure status gt including time delays when ON or OFF the relay gt implementing a hysteresis Ask the Manufacturer for details Below is a Pre defined configuration of outputs oa ee oe ATEST Gaz Sp j Basic configuration of relay outputs Output activeted O NC NO COM Function Realay output www atest gaz com pl Output deactiveted NC O NO COM Warning_1 Warning_1 activated Warning_1 deactivated Warning_2 Warning_2 activated Warning_2 deactivated ALARM ALARM activated ALARM deactivated HOLD ALARM VISUAL ALARM see the picture 1 see the picture 1 EXT AUDIBLE ALARM see the picture 2 see
4. oe ATEST Gaz Sp j www atest gaz com pl eccccccee eoccece 000000 ALPA 2LCD W Eight Channel Alarm 7 Control Unit ALPA LCD Pomiar Awaria 4 2 4 PRACA AWARIA 00 o R1 V3 ALPA LCD Control Unit is a device dedicated for integration with up to 32 Gas Detectors and supporting devices forming an appropriate Gas Detection System Features reads information from Gas Detectors using RS 485 protocol displays information about the atmosphere status target gas concentrations gas warnings and alarms displays Gas Detector Status Operation Mode Diagnostic Status displays information stored in Gas Detectors Warnings and Alarm settings serial numbers detector addresses type of sensors target gas names and ranges location names calibration date etc enables parametrization of Gas Detectors Warnings and Alarm Settings Zeroing Resetting the sensors address controls other connnected devices by eight universal relays 230V 3A floating contacts data gateway for other digital systems MODBUS ASCII RTU complex diagnostics LED Interface for Gas Detectors ALPA 2LCD is intended for continuous work The following diodes are located on the front panel detectors status detector status field amp gas overload ALARM ALARM 2 Warning 2 1 Warning 1 OK detector works properly FAILURE detect
5. or s failure Information from the following detectors is displayed sequentially one by one When an emergency situation has been detected on any detector a sequence stops on it LED Interface for Control Unit Status LED s Run and Failure shows a Control Unit status LED Interface for Digital Inputs Control Unit ALPA LCD has 4 universal digital inputs Its status is shown on the 1 2 3 4 LED s Pre defined functions are described in the further part of this document LCD display Control unit is able to show the gas concentrations its trends and status ofthe gas detectors onthe LCD display The following detectors are displayed sequentially one by one When an emergency situation has been detected on any detector a display stops on it Of course a LCD Display with related keyboard is also a User Interface for data settings or review See User Manual for details Operating When a particular signal is activated then first Warning 1 gt red LED 1 is on gt internal buzzer is on second Warning 2 gt redLED 2 ison gt internal buzzer is on third threshold ALARM gt red ALARM LED is on gt internal buzzer is on An internal Buzzer can always be deactivated by pressing button lt When any of Warnings or Alarms is activated an appropria te output is activated See Outputs for details Detector failures are signalized by non criti
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