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Floswitch

1. 17 24v N 8 24v IN 9 2V0 N 10 reserved 17 spectr P TYPICAL APPLICATIONS ANALOG SENSORS EXTERNAL POWER SUPPLY 24 Vee MAXIMUM 25 mA Warning e Pins 2 4 6 8 10 of screw connectors CN5 e CN6 labeled by D are interconnected on FLOSWITCH board e Donot connect external power supplies switch sensors 18 spectr P TECHNICAL CHARACTERISTICS FLOSWITCH 4 20 mA Analog Inputs Compatibility Maximum voltage open circuit Minimum voltage 20 mA Short circuit current Resolution Digital Inputs Compatibility Maximum voltage open circuit Short circuit current Alarm relay output Maximum switching voltage Maximum switching current Power supply Supply voltage Maximum supply current Solenoid valves Power supply Maximum operating pressure Compatibility Mechanical protection degree 4 20 mA transmitters 24 Vdc 16 Vdc 25 mA 10 bit Switch sensors 15 Vdc 15 mA 250 Vac Vdc 100 mA 220 Vac 50 Hz 100 mA 24 Vdc 2 VA 10 bar Inert gases IP 55 19 spectr Art no 770 51673 Rev 0073 20
2. 4 20mA IN1 CONFIG gt Enable TI Unai Zero Full Scale Tare Function Alarm delay Min alarm Max alarm ERE inputs including transmitters sensors and functions The check symbol V indicates the corresponding input is already enabled Select the desired input and then press ACK to 4 20 mA INPUTS Enable Switch to enable or disable the input Identifier Alphanumeric string with maximum length 8 charters defining the measurement associated to the input Unit Measurement units associated to the input Following options are available Kg ton bar mbar pH 10 spect A Zero Full Scale Range of the transducer defined with measurement units selected through Unit item Zero and FS values correspond to the measurements supplied by the analog transducer when the output current is respectively 4 and 20 mA Valid range is from 1000 0 to 1000 0 with fixed decimal point Tare Weight of the cylinder empty expressed in the selected measurement units The field appears only when measurement units are set to Kg or ton Function Function associated to the input MEASURE the input does not generate ALARM status ALARM the active status of the input generates ALARM status ALARM MEM the active status of the input sets ALARM status and this ends after the following two conditions are verified user acknowledgement and input come back to normal status Alarm delay Minimum duration of the
3. 1D Dig 7 and switch sensors Fails FLOSWITCH periodically performs a self test to recognize possible fails The system fails are classified and monitored as alarms and include Fail message or signal Onboard auxiliary power supply All inputs out of order 24Vdc auxiliary power supply Solenoid valves out of order Transmitter 1 4 disconnected Signal out of range Slow blinking of Electronic system System fault fault red led When a transmitter is disconnected also the corresponding monitoring page shows following line ID1 4 un 14 spectr Shut off The shut off function can be associated to a solenoid valve or to a switch over system and de energizes the solenoid valve or both solenoid valves driving a switch over system when one or more inputs included in the shut off equation become active The Shut off status is an event with memory therefore it begins when the corresponding equation becomes true and ends when both the following conditions are satisfied e Shut off equation is false all shut off events are terminated e Shut off status is acknowledged The shut off status is always followed by the Halt status thus the solenoid valves remains de energized until the user restart The shut off is managed like an alarm with memory and notified on display by the alarm line EMO ID where ID identifies the corresponding solenoid valve or switch over system in shut off status Halt The Halt status alw
4. blinking alarm page follows the status pages Alarm lines associated to digital inputs contain the ID of the corresponding input Alarm lines associated to analog inputs contain the suffix MIN or MAX depending on the current measurement value respect to alarm thresholds followed by the ID of the corresponding input Alarm pages disappear after the end of all alarm events namely when all inputs classified as alarm without memory return in normal status all inputs classified as alarm with memory return in normal status and are acknowledged 13 spectr P The acknowledgement of the current alarm page appearing on display occurs by pushing the ACK pushbutton on front panel If more than four alarms are asserted the corresponding ID will appear on more pages each requiring a distinct ACK in this case the display will resume the standard functions after acknowledging all alarm page In case a new alarm goes active when all current alarm pages are acknowledged the display stops on alarm page showing new information Whichever acknowledged alarm status persisting longer than the recovery time automatically returns into the unacknowledged condition and requires a new acknowledgement sequence The acoustic signal continues until unacknowledged alarm pages exist The red light signal testifies the alarm status Typical ALARM PAGE Min ID Anl This example shows an Alarm Page Max ID An3 including tree alarms by analog transmitter
5. FF ON by Logic relation among the selected inputs that energizes the solenoid valve Option one input energizes the solenoid valve when one or more inputs among those selected become active logical OR function The option all inputs energizes the solenoid valve only when all selected inputs become active logical AND function This entry is available only if MODE is set to LOGIC the logic relation for the SHUT OFF cannot be modified by user see section SHUT OFF The active input condition corresponds to e Close if NO open if NC for digital inputs ON OFF e Value outside thresholds for analog inputs 4 20mA spectr P Power up This entry is available only if MODE is set to SHUT OFF and activates the shut off function after each power up input list Input list shows the identifiers of all enabled inputs see INPUT SETUP menus Switch the field YES NO of the corresponding input to include exclude it from the logical or shut off function 11 SHUT OFF gt Power up ingwe LAST 3 EE This menu defines the input conditions determining the switch over system shut off The function is identical to that already described for a single solenoid valve Refer to EV CONTROL CONFIG menu for further details Input Setup The menu allows defining all parameters concerning analog and digital 4 20mA INPUT SETUP Sao 1 y Tapout 2 Input 3 N Input 4 Exit configure it
6. ION Programming verify and command functions are performed by five keys located on the front panel through a number of menus PASSWORD PASSWORD Push over two seconds system will 0000 require the password before entering into programming mode Press to select the desired character Y to modify it S to delete the character left The password authorization can be skipped by setting the keyword to blank see the following section MAIN gt Maintenance After entering the correct password push anual switch over ACK to confirm and open the MAIN menu ae activating the programming status In programming mode keys assume following functions e Move the cursor on the right character editing mode only e Erase the left character editing mode only Execute selected command Open selected menu Open editing mode of selected parameter Close editing mode and accept the selected value spectr Scroll and select menus Select parameter values Increase decrease numerical values Set characters during editing of alphanumerical fields In practice whatever editing sequence includes following steps Son Select desired menu or parameter using Y 4 Open editing of menu or parameter by pushing ACK If necessary repeat steps 1 and 2 until the desired parameter is reached In editing mode a b c press J to decrease f to increase numeric values press to move the cursor on the character
7. alarm condition signal outside alarm thresholds before generating the alarm status expressed in seconds Valid values range from 0 to 99 seconds Min Max alarm Minimum and maximum alarms thresholds Values must be set within the interval Zero FS and so that Max is greater than Min ON OFF INPUTS ON OFF INPUT SETUP input 1 This page is similar to the ANALOG INPUT SETUP PAGE but refers to digital inputs instead of analog inputs Select the desired input and press ACK to open Tajove 10 2 EXE its configuration page 11 spectr P ON OFF IN1 CONFIG gt Enable ID Normally SE Normal status of the input corresponding numetions to OFF and or non alarm condition Set NO for aa Sy normally open NC for normally closed For remaining fields refer to previous section 4 20mA inputs configuration ERASING SETUP PARAMETERS Setup parameters are stored in a non volatile memory and retained also in power off condition without time limits All current setup parameters can be erased and set to default values by pressing the pushbutton behind the front panel close to the battery switch FUNCTIONS Monitoring In absence of alarm or shut off status the display shows monitoring pages containing up to four measurements and or states In case the number of signals exceeds four the display will show more monitoring pages in sequence alternating them each 5 seconds The monitoring crit
8. ays occurs after the Shut off and is testified by the yellow light signal blinking ID HALTED During the Halt status the involved solenoid PRESS ACK TO RESTART valves stand close from previous Halt Status the display suspends the scrolling functions and shows the message left where ID identifies the corresponding solenoid valve or switch over system In case more halt states occur simultaneously the halt page corresponding to the desired plant can be selected using Y and the selected plant can be restarted it pressing ACK From the Halt status the user can directly enter the programming mode and perform manual operations through the MAINTENANCE menu before restarting a specific plant 15 spectr P MOUNTING 310 mm uu Ole 406 mm expansion nails Mounting tools 220 mm X 160 mm Drilling layout spectr ELECTRICAL CONNECTIONS 20 Voc 50 He PONER SPAY 920 EARTH SOLENOID VALVES 1 4 CN7 4 20 mA analog inputs CN5 Digital inputs from 1 to 5 CN6 Digital inputs from 6 to 10 CN1 Solenoid valves control CN2 outputs alarm relay CN11 220Vac power supply CN7 CN5 CN6 Analogs 4 20 mA Digitals 1 5 Digitals 6 10 1 11 U 0 O 1 00 00 on amp BA c0 po ro I 1 O 0 O al CN2 CN19 CN3 CN1 Solenoid valve controls Pin Signal Type 5 reserved 6 resened
9. e for instance because of bundle exhaustion or plant shut off status or because a plant is not properly configured no operation is allowed in this case the item no way appears right the corresponding identifier PROGRAMMING SETUP gt System Select the Setup option from the MAIN menu and Plant press ACK to open the SETUP menu 4 20mA Inputs ON OFF Inputs Foie System configuration SYSTEM CONFIG gt Buzzer Volume Recovery Time Buzzer volume Relay mode The variable defines the buzzer volume Language valid settings are numeric values from O to 10 a 0 corresponds to buzzer disabled BAL Recovery time This function reactivates the acoustic signal and resends the acknowledged alarm status into the unacknowledged condition if this persists longer than the recovery time Valid range is from 0 to 99 minutes O recovery function disabled spectr Relay mode Following operations are available for the relay output switch e CNO cumulative alarm normally open relay energized by alarm shut off and halt status e CNC cumulative alarm normally closed relay de energized by alarm shut off and halt status e CAS continuous auxiliary siren relay follows the status of the internal alarm sound generator Language Following languages are available e English e Italian Password This option allows set or modify the keyword The password authentication can be skip
10. erion consists of minimizing the number of pages by filling the display as far as possible For example configuring only one analog and tree digital signals only one monitoring page will suffice for all information Some typical monitoring pages are shown below First power up No measurement neither status FLOWSWITCH FLOWSWITCH No configured inputs No alarm 12 spectr P Measurements only Measurements and states ID An 1 Value 1 unl ID An 1 Value 1 unl ID An 2 value 2 un2 ID An 2 Value 2 un2 ID An 3 value 3 un3 ID DAG Al statusl ID An 4 value 4 un4 IND DAG 2 status2 Where the meaning of identifier and measurement unit un was still explained in previous section programming and value indicates the current value of the measurement expressed in units un The field status indicates the current status of the corresponding sensor as shown in following table Input normal status Status Open Normally open Close Nomalyopen ON Open Normallyclose ON Close Normallyclose OFF Alarms management Alarm page management differs from monitoring of status pages due to following details When an alarm status is asserted the display suspends the cyciical visualization of status pages and shows a blinking page containing alarm information alarm page until the acknowledgement operation After the acknowledgement the display restarts the standard functions and the
11. ped setting the keyword to blank PLANT CONFIG gt Type L1 EV3 EV4 I1 switch over DL shut oi EV3 EV4 Exit Type Plant configuration The contents of this menu differ in functions of the option selected in TYPE parameter Two lines are related to each switch over system respectively for plant and shut off configuration only one configuration line is associated to each available solenoid valve Define the control functions of FLOswitch e EV1 4 All EVs for logic control or shut off function e L1 EV3 EV4 One switch over system EV3 and EV4 available for logic control or shut off function e L1 L2 Two switch over systems spectr P LI SWITCH OVER 111D 8 ID Control Alphanumeric string with maximum length Priority 16 characters that identifies the switch over meie system It is recommended to use same name for identifier and gas or mixture supplied by the switch over system Control Devices for bundles level checking Select ON OFF for switch sensors 4 20 mA for transducers Priority Bundle that supplies at first system startup and whenever the control logic has no other criteria Select LEFT or RIGHT EV1 CONTROL SIDS ID Mode Alphanumeric string with maximum length ON by of 16 charters identifying the function of the Power up solenoid valve inpwe list 3 Exit Mode Select the function associated to the solenoid valve LOGIC or SHUT O
12. right of an alphanumeric field after reaching the rightmost character a further pushing of same key will move the cursor to first character left cursor wrap around press Y f to modify press to delete the character left press io to select the desired option 5 Press ACK to confirm the entry and close the editing System returns in running mode by selecting the Exit option from main menu or by keyboard time out of 60 seconds MAINTENANCE Opening the MAINTENANCE menu the status of solenoid valves can be directly controlled Valves remain in the imposed status until the menu is leaved then the system return in automatic running mode Editor time out in MAINTENANCE menu is inhibited hence the system can be indefinitely leaved in maintenance mode MANUAL EV DRIVE gt EV1 IO 1 Select desired solenoid valve using Y en 2 Press to open the editing M 3 Press to switch the status ON OFF 4 Press to confirm and close the editing EV4 ON OFF Exit spectr P MANUAL SWITCH OVER The manual switch over command allows changing the current supplying bundle effects of this command continue even after leaving the programming mode MANUAL SWITCH OVER Ident 11 1 SelectL1 or L2 using Y Right 2 Press to open the editing Ident 12 3 Press to switch the supplying bundle Left 4 Press to confirm and close the editing ci ie Note if the switch over is not possibl
13. spectr FLOSWITCH User manual rei 1 0 July 2003 Messer Cutting amp Welding GmbH Larchenstr 139a 65933 Frankfurt Main Germany Tel 49 0 69 38016 226 Fax 49 0 69 38016 200 spectr spectr P TABLE of CONTENTS AAA BIND Ba v non 4 INSTALLATION ps BINIGAAN sa aa 4 Earth excess RN AOS 4 BACKUP batery its orita 4 KEYBOARD OPERATION sssssssssssssssscsssssssssssssessssssesesssessesssenessssseesessesserees 5 MAINTENANCE ci ld 6 MANUAL SWITCH OVER sorsero eon ddai aiina aE a EE EEDA 7 PROGRAMMING aececi 22a Ree anata EE Ba 7 System Configuration un A AA ANAK an 7 Plant Configuration ma mamana banana leihen 8 INPUES CUP teen lin ea NANA in 10 ERASING SETUP PARAMETERS 00 ceeceecessceseereeseeeeesecaeseceneeerceaeeneeaesaeeaeeneees 12 FUNCTIONS ciscsccvsscssstvasessvcesssescsdessesessusccaetsasuesesuea lv Alva 12 MONITORING na PRN GANUN GT E REN DAANAN ED 12 ALARMS MANAGEMENT dns nba LNG BEN Gina 13 O ANGER AN 14 SHUT HOFF E sat ia 15 A ARR 15 MOUNTING a ANAN NANANA NANA 16 ELECTRICAL CONNECTIONS 20r20s202200200220200000200200n000 000000000100 non none 17 TYPICAL APPLICATIONS sosisscesctsecenscvsecesbecsasusrentesssvesnnceanessasesussvestescssersacousetens 18 TECHNICAL CHARACTERISTICS 2u2202002000002000000000000 000000000 000000 00000000000 19 spectr P PREVIEW FLOSWITCH is versatile fully programmable equipment managing following functions e Automatic control of
14. two different switch over systems e Logic control of pneumatic valves e Status measurement and alarm monitoring e Emergency shut off The I O provision includes four 4 20mA inputs ten ON OFF inputs and four solenoid valves in addition each input can be configured as status digital measurement analog or alarm with or without memory Each output solenoid valve can perform switch over logic or shut off functions INSTALLATION The housing of FLOSWITCH unit is IP 55 plastic box for wall mounting Outside the equipment must be protected from direct sun and rain Technical information concerning cabling mounting and further details are shown in outlines at the bottom of the manual Earth FLOSWITCH unit needs an earth connection to protect the circuitry from surges generated by electrical discharges coming from power and phone networks see connection layout To safeguard the equipment from over voltages and for safety reasons the earth connection must exist always and obligatorily The builder denies all responsibilities for whichever damage to people and things including equipment due to fault of earth connection Backup battery A NiCd backup accumulator disconnected at the delivery maintains data in memory and real time clock function during about thirty days Turn on the switch labeled BATTERY located in the rear of the front panel to connect the backup battery before the first power up spectr KEYBOARD OPERAT

Floswitch

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