02 AB controllogix PLC hardware concept Training PLC Allen Bradley

DAY SESSION 2-1 AB CONTROLLOGIX PLC’S HARDWARE CONCEPT AB ControlLogix PLC’s Hardware Concept – 10 December 2010 I/O COMPONENTS (1) The ControlLogix controller provides a scalable controller solution that is capable of addressing a large amount of I/O points The ControlLogix controller can be placed into any slot of a ControlLogix I/O chassis and multiple controllers can be installed in the same chassis CPU I/O Modul di Chassis Power Supply Chassis/Rack 2-2 AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-3 I/O COMPONENTS (2) AB ControlLogix PLC’s Hardware Concept – 10 December 2010 I/O CHASSIS (1) • The ControlLogix system is a modular system that requires a 1756 I/O chassis • Chassis are available in sizes of 4, 7, 10, 13, and 17 module slots • The backplane provides a high-speed communication path between modules 2-4 • Multiple controller modules on the backplane can pass messages between one another AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-5 I/O CHASSIS (2) AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-6 TECHNICAL SPECIFICATIONS - 1756 CHASSIS AB ControlLogix PLC’s Hardware Concept – 10 December 2010 1771 POWER SUPPLY 2-7 ControlLogix power supplies are used with the 1756 chassis to provide 1.2V, 3.3V, 5V, and 24V DC power directly to the chassis backplane AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-8 TECHNICAL SPECIFICATIONS - 1756 CONTROLLOGIX CONTROLLERS AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-9 1756 CONTROLLOGIX CONTROLLERS FEATURES AB ControlLogix PLC’s Hardware Concept – 10 December 2010 KEY SWITCH RUN • Executing logic program ladder and generating output • Avoid user from program editing REM RUN R E M PROG • Logic program can not be scan or run • Allow to editing offline 2-10 PROG • Allow to change programmer/operator interface mode • Allow to online editing AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-21 TYPICAL DIGITAL DC INPUT WIRING AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-22 TYPICAL DIGITAL DC OUTPUT WIRING AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-23 REFERENCE CIRCUIT AB ControlLogix PLC’s Hardware Concept – 10 December 2010 1756 ANALOG INPUT MODULES FEATURES • On-board data alarming • Scaling to engineering units • Real-time channel sampling 2-24 • Data Format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point AB ControlLogix PLC’s Hardware Concept – 10 December 2010 ANALOG INPUT MODULE Single-ended Differential Current (0-20 mA) Voltage (1-5 V) High tinggi to avoid signal load 2-25 Filter Circuit AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-26 TYPICAL ANALOG INPUT WIRING AB ControlLogix PLC’s Hardware Concept – 10 December 2010 ANALOG OUTPUT MODULE Receiving CPU data and transform the data into current/voltage to control analog devices 2-27 Isolation between output circuit and logic circuit is done by optical couplers AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-28 TYPICAL ANALOG OUTPUT WIRING AB ControlLogix PLC’s Hardware Concept – 10 December 2010 SPECIALTY I/O MODULES 1756-HSC High-speed Counter Module • Provides four high-speed, output-switching, on-off windows • The module uses pulses for counting and frequency • Counter: MHz max • Rate Measurement: 500 kHz max • Encoder: 250 kHz max • Debounce filter: 70 Hz max AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-29 1756-CFM Configurable Flow Meter Module • Provides Totalizer mode for metering applications, or high-speed frequency measurements for speed or rate control applications, on two channels connected to flowmeters • Totalizer fill and prover • High-resolution 100 kHz max • Frequency 0.0005 Hz resolution SPECIALTY I/O MODULES (2) 1756-PLS Programmable Limit Switch Module • Supports enhanced packaging applications • Requires three contiguous slots in chassis HART Smart Instrumentation 2-30 • HART (Highway Addressable Remote Transmitter) is an open protocol designed to connect analog devices • For HART connectivity, select from products available from Rockwell Automation and our Encompass partners AB ControlLogix PLC’s Hardware Concept – 10 December 2010 I/O MODULE AND CHANNEL ADDRESSING I/O information is presented as a set of tags 2-31 • Each tag uses a structure of data The structure depends on the specific features of the I/O module • The name of the tags is based on the location of the I/O module in the system AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-32 IO ADDRESS FORMAT AB ControlLogix PLC’s Hardware Concept – 10 December 2010 2-33 AB PLC5 AND SLC 500 ADDRESSING FORMAT AB ControlLogix PLC’s Hardware Concept – 10 December 2010 PROGRAMMING DEVICES Programming Devices allow user to program logical sequence that will be downloaded into the PLC’s CPU Programming devices can be: PC Laptop Handheld Unit Industrial Terminal 2-34 • • • • AB ControlLogix PLC’s Hardware Concept – 10 December 2010 NEXT SESSION 2-35 AB CONTROLLOGIX INTERFACE DRIVER & MODULE CONFIGURATION AB ControlLogix PLC’s Hardware Concept – 10 December 2010 ... another AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-5 I/O CHASSIS (2) AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-6 TECHNICAL SPECIFICATIONS - 1756 CHASSIS AB ControlLogix. .. backplane AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-8 TECHNICAL SPECIFICATIONS - 1756 CONTROLLOGIX CONTROLLERS AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-9 1756 CONTROLLOGIX. .. WIRING AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-22 TYPICAL DIGITAL DC OUTPUT WIRING AB ControlLogix PLC s Hardware Concept – 10 December 2010 2-23 REFERENCE CIRCUIT AB ControlLogix