W+B控制器和显示仪表-建材

223 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M Displays and Digital Controllers for Building Materials Testing James Hua contactsofBaobo 224 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Digital Controllers and Displays for Building Materials Testing Type DIGICON 2000 • Cement Testing Machines • Concrete Testing Machines • CBR / Marshall Testing Machines • Wood and Timber Testing Machines Type DIGICON 3000 • Asphalt and Bituminous Testing Machines • Rock Mechanics Testing Machines Type PCS 8000 for Multi-Channel Applications • Asphalt and Bituminous Testing Machines • Rock Mechanics Testing Machines • Multi-Actuator Structural Testing 225 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M Description Type Page Digital Controllers Building Materials Testing Controller DIGICON 2000 226 Menu and Operation 228 Static and Dynamic Testing Controller DIGICON 3000 230 Multi-Channel Control System PCS 8000 232 Digital Displays Digital Display DIGICON 1000 238 Digital Transducer Indicator E725 240 CONTENT SECTION L 226 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Closed Loop Digital Controller Type DIGICON 2000 The DIGICON 2000 meets the wide variety of testing needs of laboratories and manufacturers in the fi eld of building materials testing. DIGICON 2000 is an extendable system and can control up to four different machines in closed loop force, displacement, deformation or external mode. Features • The control modes can be changed dur- ing a certain test for more advanced testing without interruption. • The system itself is free programmable and supports all widely used sample bodies with no dimensional limitations. • Standard tests can be stored as test templates. Automatic start and com- pletation of test cycle. • Force, displacement, deformation signal conditioners and servo amplifi er. • Manual/automatic selector test option with manual control facility for calibra- tion purposes. • RS232 or USB output for PC-control in connection with building material test- ing software PROTEUS. • Real digital close loop control for ac- curate load increase, rate, automatic break detection and piston return after specimen failure. • The loading rate can be programmed in stress (N/mm²/S or kN/S). • Load and stress display with peak hold • Automatic zeroing • Programmable release time of piston after specimen failure. • Storing of 30 test samples • Automatic printout after specimen fail- ure of date, specimen size, reference, maximum load, compressive strength and all other necessary information as per relevant standard (print out records calibrated to the same accuracy as the display). • The controller at itself can be equipped with calliper, balance and other meas- uring system with direct input of meas- urement into test program with averag- ing of multiple inputs and automatic calculations as density a.s.o. • Table for correction of machine deformation Options • Strip Printer • Testing Software PROTEUS for test control, data acquisition, calcu- lations and print-out of test reports • Balance and calliper for data input • Digital handwheel for easy test set-up Models • Desktop housing placed on table • Integrated in testing machines (compact models) • Integrated in 19” control console 227 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M Specifi cations Type DIGICON 2000 Machines / Measuring Ranges max. 4 Machines / Measurement Channels max. 8 (Option max. 20 with PCI PC-Card) Control Rate 250 Hz / 4 ms Data Acquisition Frequency 250 Hz Resolution 60 000 Digit Microprocessor 16 Bit / 48 MHz Sample Storing max. 30 Measuring Amplifi er integrated, max. 4 transducers Linearisation from Force Channel 10 V Inputs max. 4 Peak Value Detection max. and min. Clock and Calendar integrated Break Detection 0.1 - 99 % Proportional Gain Table Bypass Control Machine Deformation Compensation Table Valve Output 15 - 600 mA or 10 V Voltage Output 10 V Interface to PC RS232 Power Supply 230 V, 50 Hz. Front View Display with Start / Stop Control Back View Connection of • Transducer 4x • 10 V Input 4x • Control Output 3x • Servo Valve • Safety • Hand Wheel • PC 228 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Testing from Stored Samples for fast and easy testing from the predefi ned variables. Storing of 30 Test Samples Different variables for each samples are stored and can be used as test template. Testing of Cubes Example: Determination of the Compressive Strength of Cubes 150 mm. Premium Test-Set with setting of piston sink time and auto ze- roing for fast testing. Sensitive break detec- tor avoids specimen destruction. Setting Variable Gain for highly stable closed loop control of the test procedure Linearisation of Channels The linearisation of the force channels provides high accuracy. Digital Increment Channels or SSI 24 bit format can be used as inputs. Machine Deformation Setting of machine deformation enhances the accuracy for the deformation measuring system. Security of Functions The protected data saving in EEPROM guarantees a high degree of functional securty of the controller. Menus and Operation Digital Controllers / Digital Display Type DIGICON 2000 / DIGICON 1000 229 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M 230 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Closed Loop Digital Controller Type DIGICON 3000 Specially designed for static and dynamic applications in the fi eld of build- ing materials testing. DIGICON 3000 is completely controlled by PROTEUS MT over the Ethernet interface. This includes also confi guration, linearisa- tion and calibration. The controller is build for static and dynamic tests of the most build- ing materials. The controller runs servohy- draulic and electromechanical machines. The machine interface handles the pump, safety doors, emergency, changing of machines aso. Different limiter functions are integrated for monitoring the tests. The following auxiliary functions are inlcuded and make the work easier: Easy work with test lists, ab Datafi elds for report, MS SQL Database and data export directly into MS Excel. Features • 19”Rack mounting or Desktop case • PID-Controller with signal processing • Backplane for all I/O moduls • Analogous Inputs, Increment- and SSI- Interface is standard • Additional slots for amplifi ers and oth- er modules • Linearisation of all channels • Time functions Ramp sinus, haversine, rectangle triangle aso. • Peak controller for dynamic tests • Handweel • PC-Operation over Ethernet • Complete confi guration on PC • Full online controlling in dynamic tests • Different limiter functions for monitor- ing the tests PROTEUS MT • Powerful Software for buildings mate- rial testing • MS SQL Database • Full PID-Controller with signal processing • Dynamic and static Tests • Programmed tests after Standards • Universal test with programmable test fl ow • Online operation during the test • Peak controlling for dynamic tests 231 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M Type DIGICON 3000 Control Rate Standard 2 kHz, up to 8000 Hz Data Acquisition Rate Standard 1 kHz, up to 5000 Hz Measurement Channels 8 / 16 Resolution of Inputs 18 Bit with SAR Technology Digital Inputs 1x SSI 24 Bit, 4x Increment PC - Interface Ethernet / LAN Periphery Interface USB, RS232 Servovalves 2 Current or Voltage I/0 Interface 14 Inputs and Outputs Power Supply 230 V, 50 Hz. Specifi cations Back View Front View Small desktop housing with digital hand wheel w+b Prüfmaschinen Testin g Machines walter+bai ag Industriestrasse 4, CH - 8224 Löhningen Schweiz Sw itzerland Tel. +41 (0)52 687 25 2 5 www.walterbai.com Fax +41 (0)52 687 25 2 0 info@walterbai.com 232 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Digital Multi-Channel Measuring and Control System Series PCS 8000 Expandable digital multi-channel measur- ing and control system for static and dynamic multi-actuator applications. • Expandable to unlimited control loops. • Up to 13 Control- and measuring channels for each control loop • Control rate 8 kHz on each control loop. The PCS 8000 from w+b is the next genera- tion of high-resolution digital controllers for the full spectrum of applications ranging from simple component tests to complex multi axis simulation. This controller is the 4th conse- quent enhancement with continuous imple- mentation of customers inputs and feedbacks of the Series PCS 100 / PCS 200 / PCS 200-T, which is hundredfold successfully installed across the globe. This new controller provides high-speed closed loop control (8 kHz) com- bined with high resolution transducer con- ditioning (24 bit) and data acquisition. It in- tegrates all features commonly known from other controllers and open new opportuni- ties. The modular concept of the PC8000 is based on latest technology and supports ap- plications with virtually no limits. The PCS 8000 controllers are reliable, totally fl exible, feature-rich and simple to use. They integrate perfectly into the w+b suite of DION 7 testing software. This controller is the foundation of a powerful and scalable testing environment at an attractive price. 233 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M Series PCS8000 Control loops expandable to any number (max. 200) Control rate (time) 8 kHz (0.125 ms) Control modes all connected inputs (force, displacement, deformation a.s.o.) Measuring channels up to 12 + 1 digital channel onboard Data acquisition frequency up to 8 kHz defi ned through user Resolution of analogue inputs 24 bit Interfaces to PC Ethernet / LAN Dimensions W x D x H 430 x 270 x 100 mm Power Supply 230 V, 50 Hz Specifi cations 234 walter+bai Testing Machines Building Materials TestingCONTROLLERS AND DISPLAYS Total Flexibility The PCS8000 controller has been designed for flexibility. Its modular and state-of-the-art de- sign is perfectly suitable from static and dy- namic materials testing up to complex, multi- channel applications in the field of component tests and simulation. Each PCS8000 controller has on-board amplifier and can easily be fitted with additional 12 plug-in AC, DC or digital transducer conditioner modules to serve your expanding needs. One digital transducer input is always available on-board. Intelligent con- ditioner modules and transducer connectors provide an automatic module and transducer recognition and reading. Additional configura- ble digital inputs and outputs are available for monitoring and controlling of external events. The user does not have to pay for modules he does not need. At any time the controller can be extended up to a full-featured multi-chan- nel control system by simply adding modules and/or controllers. A wide range of hardware and software options are available. Powerful Data Acquisition The controller can be equipped with modules to accurately measure up to 13 sensor signals for stroke, force, elongation, etc. All common sensor types and input ranges are supported. The intelligent sensor system automatically detects the type of sensor, its serial number, operating range as well as coefficients for lin- earization and calibration. Each sensor signal will be converted into a high-resolution high- speed digital data stream, which is available within the controller, the host PC’s testing software and even within other PCS8000 con- trollers in a multi-controller setup. That also means that a controller’s sensor capability can be extended by importing other controller’s sensor signals over a 200 MBit/s real-time data link. Such data streams are referred to as external streams. Even more, the PCS8000 controller can also deliver data streams for physical quantities that can not be measured. The user is free to program mathematical ex- pressions to transform and combine meas- ured data and parameters into so-called vir- tual data streams, which can be used just like measured or external data streams. Mathe- matical expressions requiring extensive com- putation power can be implemented as so- called math streams. They behave just like virtual data streams but are updated at a low- er rate in order to reduce processing load. The internal synthesizers and the controllers pro- duce additional data streams. They are ab- solutely equivalent to internal, external and virtual streams. All data streams within a controller or within a multi-controller system are strictly synchronized and processed in re- al-time. The sample and data rate always re- mains constant even if you add sensors and/ or data streams. Apart from the data streams the controller also reads up to 12 isolated dig- ital inputs and drives up to 8 isolated digital outputs. These signals can be used to trigger events and hence are available to the user as well. Events and Triggers Each PCS8000 controller permanently super- vises all his data streams including internal, external and virtual streams as well as math streams. For each data sample it adjusts pos- itive and negative drag indicators as need- ed and checks user-defined upper and lower thresholds on all streams. On top of that the controller constantly monitors lots of opera- tion and safety conditions like control states, user interactions, digital inputs and outputs, range checkings, hardware health, overflow and overrun events, emergency stops, etc. Whenever the machine leaves its save oper- ating domain the built-in system supervisor interferes and stops that action in a control- led or user-programmable way. All of these supervising activities may trigger so-called events. For example, data streams immediate- ly issue an event when they reach a user-de- fined upper or lower threshold. The same hap- pens when a sensor reaches its stress limit or when a digital output changes its state due to some user program or user command. Such events will be reported to the host PC’s testing software to tell the user that a certain condi- tion has been met. In a factory- or user-pro- grammed testing sequence, events can also be used to move to the next testing phase, for conditional transitions, to synchronize multi- ple control loops, etc. Accordingly, events and triggers are a very powerful instrument for programming test sequences and for over-all safety. Therefore a large number of individual events are available. Outputs The PCS8000 digital controller is ready to drive all common types of hydraulic valves including 2-stage and 3-stage valves. Its current out- put can deliver up to ±300 mA. An additional voltage output with a standard ±10 V span is also integrated and may be used to drive an external motor amplifier or any other actuator. A 24 V supply is provided to the user. It may be useful to operate small external devices, like door locks, specialized preamplifiers etc. The supply output is protected with a self-recover- ing electronic fuse. The PCS8000 series provides a number of iso- lated digital outputs to interact with external equipment. For example a simple electric heat- ing may be turned on and off and by measur- ing the temperature over one of the data ac- quisition streams a temperature control loop can easily be implemented. Low noise analog output modules are available as well. They can be used exactly like sensor modules. Each of the modules outputs up to four dif- ferent data streams. Every one of the data streams can be sent to an analog output in- cluding virtual and external streams. The analog output voltage span is ±10 V. The user can tell the controller to zoom any sig- nal window into the ±10 V range. For exam- ple, when measuring a stroke range of 50 to 60 mm, the user can set 50 mm to -10 V and 60 mm to +10 V. This way the analog out- put span covers the entire range of interest perfectly. State of the Art Control The PCS8000 includes a whole bunch of differ- ent control algorithms. The user can choose and configure the one that suits him best. Conventional PID control is available but also self-optimizing strategies based on adaptive control. The user can switch from one control algorithm to another on the fly without hav- ing to reboot or reconfigure the entire sys- tem. This feature is also available within se- quencer programs. Among the well-known family of single PID controllers PID and PIDT are implemented. They all include anti-win- dup protection and configurable output limit- ing. PIDT uses a differential response limiting which is useful when feedback measurements are noisy for some reason. A combined stroke- force control method, called PIDM for mixed control, is also provided. In this mode stroke is being controlled but the force is kept with- in user supplied limits. As the force increases the system switches over softly from stroke to force control. This is particularly useful when setting up delicate samples. The PIDM strat- egy is fully parameterized. Therefore the user can adjust this very con- venient control method exactly to his partic- ular needs. Furthermore the PCS8000 system is equipped with two PID based peak con- trol algorithms. A peak controller is an adap- tive strategy to ensure that peak values of a periodic output function remain constant and reach the desired value. This is extremely help- ful in cases where a periodic output function suffers from severe distortions, for example due to disturbance from the mechanical set- up or when the probe changes its state and hence its behaviour during the test. A conventional PID controller fails under such circumstances. The self-adjusting peak con- trollers can cope with such situations very well. The latest generation of adaptive con- trollers also included in the PCS8000 even go further. In the background they constantly measure the transfer behaviour of the entire control loop. Based on the results they are able to automatically improve the control per- formance. There are two typical scenarios for using these algorithms: 1. During an initial training phase the con- troller quickly adjusts its internal states. At the end of the training the states are freezed. From then on the optimized controller is ready 235 walter+bai Testing Machines Building Materials Testing CONTROLLERS AND DISPLAYS A B C D E F G I J L H K M for testing. 2. Testing starts with a neutral or conservative initial setup of the adaptive states. During the test the adaptive controller softly adjusts its internal states to optimize the total perform- ance. When the probe or some other compo- nent within the control loop starts to change its behavior the adaptive controller follows and compensates for the drift. Of course all sorts of mixed scenarios are at hand. The PCS8000 trimming function allows the user to hand-optimize almost every con- trol parameters by turning the hand-wheel on the remote control or by using buttons on the host PC’s testing program while observing at the same time how the machine changes its behavior. This feature is also available for syn- thesizer parameters. Synthesizer The PCS8000 series include a highly sophis- ticated multi-generator synthesizer to feed the controller with the desired signal. The synthesizer’s three generators cr