Siemens S7-224 - Automatic Retractable Bollards
Contents
1. sete E En 9 4 2 Standard Connections AA WA KE 9 4 2 1 Standard connections for 1 access 9 4 2 2 Connections for 2 access locallons ent ee et e kn XR cu d ed d 10 4 2 3 Connections for access nnne 11 4 2 4 Connections for 4 access 12 4 3 Connections of the operation logic enne 13 4 3 1 Controlled entrance and free 13 AVN Stall ATION waa 13 b Connection nd ice Pee ae e Fee Rx kd dyes 13 G nnection of s ostro ete as teat ioa d e it de ett res 13 4 3 2 Controlled entrance and controlled 14 Installation ot GODS WA tu WA 14 COMMEGHOM Or COD e ote t re OR be p FORES 14 Connection Morejo aee TC E 14 4 3 3 Controlled entrance and forbidden exit 15 Installation of lOOpS 53 9 her o Nd 15 b Connection of Contables sese n CE Ven Bie tite 15 Connection Of lo2. RE Connection of loops D1 Socket Detector Safety Loops 1 and D2 Socket Detector Free Exit Loop N a e e Q Q o o o o o o zd l URBACO 16 User s Manual Siemens S7 224 PLC 5 THE PROGRAMME CARTRIDGE 5 1 Presentation The programme cartridge is an EEprom storing the PLC operation programme It is used to upgrade the programme 5 2 Programme Update and Reloading Procedure 1 Turn the PLC switch on STOP only the orange STOP LED should be on 2 Completely turn PLC off All LEDs should be switched off 3 Remove plastic cover located underneath the PLC LEDs the EPROM receptacle is now accessible and a mini connector should be visible 4 Insert EPROM memory cartridge inside the receptacle polarisation 5 Turn the PLC back on 6 The orange STOP must always be on Turn the PLC switch on RUN 7 Wait for a few seconds while the content of the EEPROM memory is downloading into the PLC s main memory 8 When downloading is finished the PLC restarts its operation cycle and the RUN LED should be on The programme is now downloaded Note The memory cartridge must not stay inside the receptacle it must be removed once down uploading process is over or else configuration may be lost TD200 or centralisation in case of a power cut Once power is back on the default programme and specifications contained in the cartridge would b
3. E E 00000000000000009 0000009 0000009 0000909 LIII C mele Bi s2 a wo e 1 o LLI za M mc _ It 9 Qi 9 A s C9 lt o FDCB AU e It ie Ie O O FDC H lt CMD 10 9 AU 24 sc 14 15 24VDC Inputs Outputs for Access N41 N2 N3 as described above 12 5 Upper limit switch FDC H 460 Inputs Access 12 6 Descent actuation CMD 461 13 0 Contact Presence safety loop 4 51 455 12 7 Forced descent AU 462 13 1 Contact Safety loop 2 S2 456 Outputs Access N4 13 2 Contact free exit loop SA 457 Q2 4 Solenoid valve EV 420 13 3 External fault Q2 5 Amber position light 427 13 4 Lower limit switch FDC B 459 Q2 6 Red position light FR 422 Q2 7 Fault URBACO 12 User s Manual Siemens 57 224 PLC 4 3 Connection of the operation logic mode 4 3 1 Controlled entrance and Free exit a Installation of loops B1 B2 B3 Bollard Presence Free Exit Safety Loop ii b Connection of contacts 1 DD 02 C5 04 OB 07 2M 1D 11 12 15 14 15 1 00 Ud 14 15 24VDC C Connection of loops D1 Socket Detector Safety Loops B1 and B
4. 0 4 4 T 5 BIELIE Oh ES BB YHOO OOO E E i y m m ES ES 51 ses FDC B FDCH FDCH CN 1 2 le o CMD CMD Q 11 229 l AU I AU RARI 2j 14 15 24VDC Inputs Outputs Access N4 and N2 are as describe d above Inputs Access N 9 12 0 Contact presence safety loop 51 355 12 1 Contact safety loop S2 356 12 2 Contact free exit loop SA 357 12 3 External fault 12 4 Lower limit switch FDC B 359 12 5 Upper limit switch FDC H 360 12 6 Descent actuation CMD 361 12 7 Emergency stop AU 362 Outputs Access Q2 0 Solenoid valve EV 320 Q2 1 Amber position light FJ 321 Q2 2 Red position light FR 322 Q2 3 Fault URBACO 11 5 24VAC 4 2 4 Connections for 4 access locations ACCES 2 24 14 15 51 It p 3 3 x i L1 SRAN I ERE BHEE BHEIR DDO 0 0 0 0
5. 1 The volume of oil taken from the group receiver for the whole circuit 2 How much time it takes for the bollards to rise compared to applicable standards max 10 seconds 7 14 Position Lights Red Light Steady when the bollard is upward Flashing when the bollard is in motion as a standard but adjustable with TD200 or centralisation Amber Light Flashing when the bollard is down Note Upper and lower limit switches are obligatory for the management of traffic position lights URBACO 24 7 15 Defaults User s Manual Siemens S7 224 PLC Default pneumatic Time Adjustable Reaction ie Compressor surveillance 5min Yes Default bollard down Red Loss of limit switch when is locked a fall No deraut Red fashing Upper and lower limit n If bollard locked upward no default Red stead switches simultaneously Else default bollard down i y Yes for No limit switch 45s centralised d bollard lacked upwards nodetault Red flashing default bollard down installations No upper limit switch during Yes for If bollard locked upward no default rise phase 798 default bollard down Red installations No lower limit switch during Yes for If bollard locked upward no default descent phase 135 centralised Else default bollard down Red flashing installations Yes for Vehicle parked over l
6. URBACO 21 5 6 2 Centralisation A PLC is centralised when it is linked to site network signal converters all the way to computer possessing the 2ygma2 supervision software The network may be structured in different ways RS485 wired fibre optical IP This paragraph does not aim at giving all details on possible centralisation types but is intended to give a hint or a quick overview on what a supervision network is all about The PLC has a RS485 port permitting data exchange with the 2ygma II software All information on access location is transferred in real time to the software limit switches defaults loops etc Moreover this software can download time frames opening actuation orders as well as internal variables inside the PLC Structural principle of network between a PLC and the computer PC The network comprises converters and links RS232 PLC RS485 lt gt COMPUTER This network makes the transfer of data feasible over a distance depending on communication type For further details see the directions for use of the Zygma II centralisation software URBACO 22 User s Manual Siemens S7 224 PLC 7 OPERATION 7 1 Power on When all connections have been realised and when programme has been downloaded into PLC The bollard is down retracted The amber light is flashing If the loops are cleared the red light flashes dur
7. 0 Solenoid valve EV 20 Q0 1 Amber position light FJ 27 Q0 2 Red position light FR 22 Q0 3 Default Q1 0 Contactor Motor CT 39 URBACO 5 4 2 2 Connections for 2 access locations Inputs Outputs Access N1 as above 750 Inputs Access N2 11 0 Contact presence safety loop S1 14 15 11 1 Contact safety loop 2 52 256 Contact free exit SA 257 11 3 External fault 11 4 Lower limit switch FDC B 259 11 5 Upper limit switch FDC H 260 CNN 11 6 Descent actuation CMD 261 E 11 7 Forced descent AU 262 BE Outputs Access 2 N 00 4 Solenoid valve EV 220 L1 0 5 Amber position light FJ 221 Q0 6 Red position light FR 222 0900000000000009099 0909 90 0 7 Fault 0000000 1 69 5 2 5 2 ACCES 1 ACCES 2 ACCES 1 14 15 24VDC URBACO 10 User s Manual Siemens 57 224 PLC 4 2 3 Connections for 3 access locations 24VAC I 9 5 1 24VDC O 14 15 lt ACCES 2 ACCES 3 ACCES 3 t BERN B B 0 4 40 0
8. URBACO 18 User s Manual Siemens 57 224 PLC Position light operation modes ee The following table chart gives you a selection of values for the programming of position lights depending on the operation mode requested Amber light stands for light status when bollard is retracted down Red light Notification Pre warning time when red light is flashing between safety loop clearance and bollard rise Rise stands for light status during bollard rise phase Descent stands for light status during bollard descent phase Upward stands for lights status when bollard is upward Value Amber light Red light Bollard Notification Bollard Rise Bollard Bollard Down Pre warning Descent Upward o 1 Steady Flashing Flashing Flashing Steady 2 Flashing Flashing Steady Flashing _ Steady 3 Steady Flashing Steady Flashing _ Steady 4 Flashing Flashing Flashing Steady 5 5 Steady Flashing Flashing Steady Steay 6 Flashing Flashing Steady Steady Steady Note Default value is set on O Time lapse delay Notification before automatic rise modify time delay as follow 1 Press F1 2 Move arrows along selected line Press Enter to modify time The cursor is positioned on time lapse delay Change time with arrows then validate with Enter we 2 a 3 4 5 URBA
9. access sites programmed with bollards automatically rising once a vehicle has passed following vehicles must not try and drive through the access site one after the other without each stopping before the bollard making sure it is retracted and respect signal given by position light if such a device has been installed INFORMATION AND TRAINING OF USERS The person s in charge of the access site is are bound to inform users on how to operate and utilise the access URBACO will not be held responsible for any damage due to mishandling or to disrespecting safety rules URBACO 4 User s Manual Siemens 57 224 PLC 1 2 The S7 224 PLC 1 2 3 4 5 6 7 8 9 Output connection terminal PLC supply terminal Input connection terminal DB9 socket for RS485 series port TD200 or supervision network 24VDC 280mA current supply output Input status LED Output status LED PLC status LED Mode switch 10 Programme cartridge receptacle 11 Input Output expansion connector URBACO URBACO S A 1 3 EM221 input expansion module 1 Input connection terminal GD aD 2 Input status LEDs 3 Connector for further expansions LIRE 1 4 EM222 output expansion module 1 Output connection terminal 2 Output status LEDs 3 Connector for further expansions 4 Module supply terminal URBACO User s Manual Siemens S7 224 PLC 2 TECHNI
10. safety loops will result in the immediate descent of the bollard for as long as the upper limit switch is not activated 7 7 Locking in the upward position As soon as the upper limit switch is activated bollard in the upward position the bollard is locked up and no detection on loops will trigger the bollard down 7 8 Operation of compressor surveillance for pneumatic installations A dry contact from the pressure gauge is used to control the length of time when the compressor is on duty When the motor is on the contact is closed when the motor stops the contact opens As soon as the compressor starts time lapse delay starts as well and if after 3 minutes or as programmed for centralisation the compressor is still on one will assume there is an air leak somewhere and operating will stop URBACO 23 5 7 9 Compressor management for pneumatic installations The compressor works on its own The 230V power supply is continuous in normal operating mode The pressure gauge integrated in the compressor controls the start stop status of the compressor to maintain air pressure within the circuit 7 10 Operation of the hydraulic group for hydraulic installations Motor start stop actuation is operated from the PLC The group is only powered to make the bollard go up When the upper limit switch is activated power is supplied to the group for 1 second to pressurise circuit before it stops The solenoi
11. tighten loose screws if necessary Periodicity of checkups is left to operator s judgement depending on where the system is installed and how often it is on duty intensive use or not URBACO 26 User s Manual Siemens S7 224 PLC Problem PLC is switched off SF LED light is on External actuator is not active Bollard will not rise Traffic lights are not working properly Compressor will not start 9 TROUBLE SHOOTING Solutions Check power supply Check connections Check fuses PLC software is faulty Reload programme Check power supply and connections Check that not vehicle presence has been detected Check programming or and configuration One of the safety sensors has detected something Clear perimeter of anything likely to be detected One of the safety sensors is hooked Reset sensor without any vehicle over loops Push button for forced descent is on Check all LEDs on PLC One of the time slots is still active A forced actuation from Centralisation is active Check connection of position lights and or limit switches inversion Check fuses Check connections Check compressor URBACO SD URBACO S A INTERNATIONAL SALES DEPARTMENT Available Monday through Friday from 8 00 a m till 12 30 and from 2 00 p m till 6 00 p m local time 33 490 480 800 URBACO i ISO 14001 Type RCPU224 URBACO S A Z A du Couquiou 84320 ENTRAIGUES
12. 2 D2 Socket Detector Free Exit Loop N T a e o Q Q o o o o o o zili l URBACO ERE 5 4 3 2 Controlled Entrance and Controlled Exit a Installation of loops B1 Bollard Presence fety L Sa Safety Loop N2 Presence CE CEx m b Connection of contacts 1 00 02 03 GA 05 05 07 2M 10 11 12 18 14 15 Od RE 14 15 24VDC c Connection of loops B1 and B2 N T URBACO D1 Socket Detector Safety Loops User s Manual Siemens S7 224 PLC 4 3 3 Controlled Entrance and Forbidden Exit a Installation of loops B1 Bollard Safety Loop Safety Loop N2 Presence CE b Connection of contacts iM 00 04 02 05 04 05 68 OF 2M 10 1 1 12 48 14 15 a 2 4 Ob Connection of loops D1 Socket Detector Safety Loops B1 and B2 N m ea Q 15 5 4 3 4 Free Exit a Installation of loops B1 B2 B3 Bollard Safety Loop N2 Free Exit b Connection of contacts M 01 02 02 04 US OF 2M 19 11 12 13 14 15
13. 2 A 250 V slow acting to 556 32F to 131F 95 95 humidity without condensation 10W 40 706 40F to 158F Continuous voltage 15 30 VDC 4 mA minimum 24 VDC 7 mA 0 5 VDC 1 mA 0 0 10 7 0 2 ms Relays dry contacts 5 30 VDC 250 2 A Point 7 Awith contacts closed 10 ms maximum 10 000 000 mechanical 100 000 loading 20 4 to 28 8 VDC 1 V peak to peak at full load 280 mA No URBACO URBACO S A 3 CONFIGURATION OF PLC EXPANSIONS 3 1 1 access location 3 2 2 access locations 3 3 3 access locations 9 4 4 access locations 3 5 Summary table Number ot access S7 224 EM221 222 locations 1 1 0 0 2 1 1 0 3 1 2 1 4 1 3 1 URBACO User s Manual Siemens S7 224 PLC 4 INSTALLATION AND CONNECTION 4 1 Fixation The SIEMENS 57 224 PLC as well as expansions are intended for symmetrical DIN rail mounting The whole set may be locked or unlocked with a hook 4 2 Standard connections 4 2 1 Standard connections for 1 access location Inputs 10 0 Contact presence safety loop 4 51 55 10 1 Contact safety loop N2 52 56 10 2 Contact free exit loop SA 57 10 3 External fault 10 4 Lower limit switch FDC B 59 10 5 Upper limit switch FDC H 60 10 6 Descent actuation CMD 61 10 7 Forced descent AU 62 11 0 Compressor surveillance SC 34 Outputs Q0
14. CAL DATA CPU214 central processing unit with 220V supply 24VDC inputs output relays Main data Size Lx W x H 120 5 mm x 80 mm x 62 mm 4 74 x 3 15 x 2 44 in Weight 0 410 kg 0 9 Ib Size of user s programme 4 8192 octets EEPROM Size of user s data 5120 octets RAM Backup of the dynamic date 190 hours typ Inputs Outputs integrated 14 Inputs 10 Outputs N of expansion modules max 7 Real time clock built in Homologations The LVD 73 23 EEC Low Voltage Electrical Equipment Directive IEC 61131 2 PLCs Prescriptions for hardware Directive 2004 108 EC relating to electromagnetic compatibility repealing Directive 89 336 EEC Standard on electro magnetic emissions EN 61000 6 3 Residential commercial and light industrial environment EN 61000 6 4 Industrial environment Standard on electro magnetic immunity EN 61000 6 2 Industrial environment Power supply Power range Current on input Fuse not replaceable Environment Temperature range Power dispensed Storage temperature Inputs Type of inputs IEC 1131 2 Range for high logical state Nominal voltage high logical state Range low logical state Signal delay Outputs Type of outputs Voltage range Max load current Overcurrent Switch on time Life span 24VDC supply for sensors Voltage range Residual undulation 10 MHz Current available Insulation 85 to 264VAC 47 to 63 Hz 4 5 VA typ CPU Maximum 50 VA loading
15. CO 19 URBACO S A Time lapse delay Notification before rise after time lapse delay or actuation with push button This is the pre warning notification time before the bollard effectively rises back when the push button is released or current time lapse frame nearly over To visualise or modify time lapse delay proceed as follow 1 Press F1 2 Move arrows along selected line 3 Press Enter to modify time 4 The cursor is positioned on time lapse delay 5 Change time with arrows then validate with Enter Compressor surveillance time This time frame is meant for turning compressor off in case of a leak within the air circuit To visualise or modify compressor surveillance time proceed as follow 1 Press F1 2 Move arrows along selected line 3 Press Enter to modify time 4 The cursor is positioned on compressor default time 5 Change time with arrows then validate with Enter Forced opening time frames These frames are meant to define at which time the access should be open bollard down for each day of the week for as much as two time slots TS per day Caution A time frame overleaping two days e g 11 00 p m to 06 00 a m must be programmed in two parts from 11 00 pm to 00 00 midnight the first day and 00 00 midnight to 06 00 am the day after To visualise or modify time slots proceed as follow 1 Press F2 2 Move arrows along selected line 3 Press Enter to modify time sl
16. FRANCE International calls 33 490 480 800 Fax 33 490 480 088 E mail export urbaco fr URBACO 28
17. OpS PR 15 BAERS OM A PANDA BANA AE NE E N AA E Tu SOR 16 a nstallauon of IDODS a mh hero REEE d ind bell ane eid ne 16 b Connection or contacts ette ec tied reser e ie e aee 16 Connection of OOPS nente du Vae I NR e IIS em 16 5 THE PROGRAMME 17 5 1 PEeSBIILAUOE indue ELI o EC E leak E 17 5 2 Programme Update and Reloading Procedure 17 6 PLC PROGRAMMING lotic pe od ee tbt e pe reden pe tim kik Em Ec 18 bhe TD200 terminali 0949216 229245 2220228 0 029222582 0042216 2 9225 22 0220 0 000222002 20090 Eo uds 18 1 Presenil T e 18 5 18 Programmilhg ss uad cues ales Pe UU WAR FREE Vp dL FLUR QUE 18 6 2 22 nieto Ede vou tede d UU qu Ru Ud t atto uet te tasto and 23 Tol PO Es dore ED am uoa eS na de Rud Eo Ed E eas 23 2 Hr OWEN OU AG nni SN at nid eA 23 7 3 Operation on automatic descent actuation normal passage 23 7 4 Operation of forced edidere iren Id de tv eed coa sebo Du o bat o
18. URBACO USER S MANUAL SIEMENS S7 224 PLC Reference RCPU224 THIS MANUAL IS INTENDED FOR TECHNICAL STAFF IN CHARGE OF THE INSTALLATION THE OPERATION AND THE MAINTENANCE OF THIS PRODUCT CAUTION ELECTRICAL SHOCK HAZARD Pictures are not contractual NT RCPU224 V2 EN V1 06 06 5 1 PHESENTATION 4 As T 4 1 2 The S7224 E WAA WAM ME 5 1 3 EM221 input expansion module Pie e ER 6 1 4 222 out put expansion Perte ep t e ope 6 2 TECHNICAL DATA PEE e UU uM gutta Tat 7 3 CONFIGURATION OF PLC 8 T access 8 3 2 2 ACCESS be em as Ep gee cited em xo a nr dud ausi ud eiu e depen E 8 3 3 3 ACCESS locallOns aee beds e eatur n eta eure dese ern 8 3 4 4 access locations EN EE 8 9 5 SUMMARY tables 8 4 INSTALLATION AND 9 EKA NO AA AA fe
19. d valve built in the hydraulic group circulates the oil between the receiver and the cylinder Detail of operation stages standard group EV 1 and motor 1 the bollard rises EV 1 and motor 0 the bollard is maintained upward EV 0 and motor 0 the bollard goes down retracts 7 11 LED status indicators Each input and each output is associated with a LED showing status Three additional LEDs give indications on PLC status SF switched off normal Switched on serious malfunction within the PLC RUN switched on mode RUN programme runs STOP switched on mode STOP programme stops 7 12 Fail safe device negative security For pneumatic installations a solenoid valve normally closed is connected to the main solenoid valve exhaust This solenoid valve is permanently powered exhaust possible In case of a power outage exhaust is no longer possible and the bollard remains upward For hydraulic installations a specific group is designed with solenoid valve normally closed and manual descent lever The programme will also be specific 7 13 Maximum number of bollards per access For pneumatic installations the number of bollards is determined by 1 The solenoids valves used Each PLC output only tolerates a maximum of 2A current 2 The type of compressor used A table chart gives indications on how many bollards are suitable by compressor For hydraulic installations the number of bollards is determined by
20. e Dope BEA ania dada Fog 23 7 5 Operation of freg iier eee o E RARE bere xar de eh aa Ro due RR M e de be d mend 23 7 6 Safety during bollard rise 2 2 dee ep eq ep 23 7 7 Locking in the upward eb to maie es oue M e siu tue 23 7 8 Operation of compressor surveillance for pneumatic 23 URBACO 2 User s Manual Siemens S7 224 PLC 7 9 Compressor management for pneumatic installations 24 7 10 Operation of the hydraulic group for hydraulic 24 FRU 1 9 Xr PEE 24 7 12 Fail safe device negative security nennen 24 7 13 Maximum number of bollards per 8 24 OS IMO Tg 20 05 507 524 24 yy SIBI rrr Tc 25 B MAINTENANCE cnp hi 26 9 TROUBLE SHOOTING E Cea nee Fo ei eiue 27 URBACO 3 5 1 PRESENTATION 1 1 General features This manual describes the setup and operation of the SIEMENS 57 224 PLC intended for the management of URBACO s pneumatic or hydraulic driven automatic retractable bollards This industrial type PLC includes 14 on board inputs 10 on board outputs communication series port and LED indicators for status of inputs outputs and PLC The PLC on its
21. e reloaded into the PLC and zap previous configuration URBACO 17 5 6 PLC PROGRAMMING Two programming principles are possible For the non centralised version programming via TD200 terminal This will be done directly on the PLC onsite For centralised version via PC with Zygma ll a centralisation software developed by URBACO This is a remote activated operation done through the Internet 6 1 The TD200 Terminal 6 1 1 Presentation The TD 200 terminal is plugged in DB9 on the PLC With this terminal you can modify position light operation mode change time lapse delays visualise operation defaults and change automatic opening time frames It may be connected permanently or just in case It consists of a display screen 2 lines of 20 characters each and function keys Keys F1 Access programming F2 Access weekly timer programming F3 to F8 A Visualisation of messages off screen or selection of a variable v Visualisation of messages off screen or selection of a variable Esc Access time set menu or escape Enter Enter validate data Shift Key used 6 1 2 Programming The TD200 terminal is used to programme the operation mode of position lights time lapse delay before automatic bollard rise time lapse delay before time lapse or push button compressor surveillance time time frames for forced openings two per day and the PLC internal clock date and time
22. ing time lapse delay before rise programmable At the end of this period the bollard rises The red light is flashing or remains steady depending on programme entered for this situation Once the bollard is upward the red light is on steady red 7 2 Power outage The bollard goes down retracts When power is back see 57 1 7 3 Operation on an automatic descent actuation normal passage The command for descent will only be considered if a vehicle is detected on presence safety loop In this situation the bollard immediately goes down retracts the vehicle passes through and the bollard rises back once the safety loops B1 and B2 have been cleared and time lapse delay before rise depending on programme entered 7 4 Operation forced descent When the push button is engaged 10 720 the bollard immediately goes down retracts underground and remains as such for as long as the button is engaged When the push button is released 17 1 the bollard rises again as for a normal passage The push button also validates faults and enables system to re start see 7 15 7 5 Operation on free exit If a vehicle presence is detected at the same time over the free exit loop and the safety loop N2 for as long as 2 seconds adjustable the bollard will automatically go down retract The bollard rises again as for a normal passage 7 6 Safety during bollard rise When the bollard is rising any presence detected over
23. oop 10min centralised Information relayed Normal installations Status of Default hydraulic Time Adjustable Reaction Lights Yes for Hydraulic group operating 10s centralised Default bollard down Red installations Loss of limit switch when bollard is locked upward No default Group starts again Red flashing Upper and lower limit m If bollard locked upward no default Red stead switches simultaneously Else default bollard down y es iof Group starts again and time lapse dela No limit switch 10s centralised begi p 9 P y Red flashing egins installations No upper limit switch during Time lapse delay begins and default rise phase 19s Ng bollard down Red ashing PETER Yes for No lower limit switch during descent phase 10s centralised Default bollard down Red flashing installations Yes for Vehicle parked over loop 10min centralised Information relayed Normal installations In default mode outputs Q0 3 Access Q0 7 Access are activated to signal default The push button forced descent validates default reset URBACO 25 URBACO S A 8 MAINTENANCE No special maintenance is prescribed for the PLC Technical checkups are however recommended every now and then to control the overall state of equipment dust moisture safety elements vehicle detection sensors operationality of actuators contactless cards as well as to
24. ot 4 The cursor is positioned on the opening time 5 Change time using arrows then validate with Enter 6 The cursor is positioned on the closing time 7 Change time using arrows then validate with Enter URBACO 20 User s Manual Siemens 57 224 PLC Time frames are formatted as HHMM HH must be included between 0 and 24 and MM between 0 and 59 This function may be repeated as many times as needed To delete display press again F2 The opening time is within the time frame whereas closing time is off that time frame To have no opening time frame simply enter identical opening time and closing time frames The PLC internal clock Setting of the PLC real time clock The time entered will be the reference time for access opening time frames Press Esc Message Menu is displayed Using arrows select Set Date and Time Validate by pressing Enter Modify values using arrows and validate each value by pressing Enter To escape press Esc Default display screens It is possible to visualise the PLC defaults The first figure stands for the concerned access number Both limit switches are actuated at the same time The upper limit switch was not reached after 30 seconds The lower limit switch was not reached after 15 seconds There is an anomaly on one of the 3 loops It may either be a default on loop or on detector or a vehicle has been parked over for more than 0 minutes
25. own can run one complete access site with weekly timer with a TD200 or centralisation programme Input and output expansions can be added onto the PLC to run up to 4 complete access sites The use of upper and lower limit switches is mandatory They act as a safety device for operationality as well as for the detection of defaults In the non centralised version a TD200 text display unit allows for the analysis of defaults the adjustment of programme variables as well as the setting of weekly timer real time clock In the centralised version the PLC is connected via its RS485 port to onsite network This network may contain several PLCs A PC computer permits real time viewing of all details on any access location Directions for the good use of an access site controlled by automatic retractable bollard s SAFETY RULES FOR THE GOOD USE OF AN ACCESS SITE CONTROLLED BY AUTOMATIC RETRACTABLE BOLLARD S So as to ensure the good operationality of the access for safety reasons URBACO recommends set up vertical signposts warning of an obstacle retractable bollard ahead To equip automated systems with position lights showing bollard status red and flashing amber For access control systems URBACO recommends that vehicle be obliged to stop before the bollard and wait for its complete retraction underground and for the light to turn from red to flashing amber if the access site has position lights prior to driving on For
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