Reduced Voltage Solid State Motor Control Center Specifications
Contents
1. Time to wait before retrying transmission when encountering a line busy condition 0 01 40 000 seconds Maximum number of times to try transmitting when encountering a line busy condition 1 65 535 Time to wait to try to reconnect to a unit that has failed to respond 0 01 40 000 seconds Receive and transmit buffer sizes Transmit queue size Unit to attempt to notify of communications failures on this port COMMUNICATIONS The Programmable Controller shall have the ability to simultaneously support at least 4 serial communication ports which includes an Ethernet IEEE 802 3 and a DeviceNet industrial network Any of these serial ports shall be usable for both communications of telemetry data and control program configuration upload download and support baud rates of 230 400 bps or higher The ports shall be configurable to support the following media Full handshake RS 232 at least 3 ports must be configurable this way RS 485 at least 3 ports must be configurable this way selectable for 2 4 wire Direct Modem available with radio interface supporting Bell 202 standard Protocols The Programmable Controller shall implement the Ethernet IEEE 802 3 protocol When the Programmable Controller wishes to transmit it will check for activity on the LAN When the LAN becomes silent for a specified period the Programmable Controller will begin transmission During transmission the Programmable Controller will continually check for a collisio2. aay TESCO CONTROLS INC An Employee Owned Company Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center L2000 PLC with Reactive Air MOTOR CONTROL CENTER SPECIFICATIONS Motor Control Center shall be an integrated system consisting of main breaker disconnect switches pump breakers combination motor starters with controls distribution transformer panelboard programmable pump controller wetwell level monitors power supplies battery back up relays and other automatic controls and devices The pump controller and instrumentation shall be furnished as an integral part of the motor control center by the motor control center manufacturer The completed motor control center shall contain a U L 508 label The enclosure shall be rated NEMA I U L labeled Industrial Control and meet all the requirements of local state and county ordinances Each motor control section shall have 1 2 x 1 2 x 1 4 minimum angle iron frame base Each cubicle shall be individually barriered with wireways on both sides line on left and load on right All connections shall be front accessible All hinges and screws shall be stainless steel Dead front latches shall be 1 4 turn adjustable latches with 1 8 thick latching dog and knurled knob Screw type fasteners will not be acceptable The complete motor contr
3. ALD or equal Push Buttons and Selector Switches Push buttons and selector switches for non hazardous indoor dry locations shall be U L listed oil tight type Westinghouse Type OT Idec ASN General Electric Type CR 240 Square D Class 9001 or equal These devices shall have individual extra large nameplates indicating their specific function Receptacles Duplex Receptacles shall be of specification grade and of NEMA configuration and rated 2 pole 3 wire grounding 20 amperes 125 volts such as Pass amp Seymour 5252 Leviton 6898 Bryant 5252 or equal Contact arrangement shall be such that contact is made on two sides of each inserted blade Bases shall be of ivory phenolic composition Wire terminals shall be suitable for 10 AWG wire and shall be screw type Receptacles shall be UL listed The receptacles shall have corrosion resistant conducting parts of nickel plated brass and other metal parts of stainless steel All external and dead front receptacles shall be installed on ground fault interrupter circuits GFCI Continued on page 4 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 3 Relays Controls Control relays shall be Potter and Brumfield KU Square D Type KU Idec Type RH or equal Two form C contacts minimum shall be provided on each relay Provide relay energized neon lamp inside relay case Relays Power Fail The power fail relay shall conti
4. Wire all spare contacts to terminal blocks Continued on page 8 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 7 Control power transformer l 2 3 L Dry type Ratings as indicated on Drawings Two full capacity taps minimum for 5 KVA or larger ighting Panels Panelboard with main lugs buses bolted or plug in thermal magnetic breakers and provisions for breakers in the sizes q uantities and poles indicated on the Drawings Multiple pole breakers Common trip Ground fault interrupters 5 mA sensitivity Interrupting rating 10 000 amp symmetrical minimum Coordinated with control center short circuit rating and transformer impedance Provide door in front cover with a typewriter circuit directory Relays and Timers l 2 3 4 a b 120 V 60 Hz coils for continuous duty in 40 C ambient 10 ampere 120 V AC contacts Contacts actions ranges and settings as indicated on Drawings Auxiliary relays Machine tool type 300V minimum Plastic enclosed plug in type Neon ON indicator Time delay relays a b c P l 2 3 4 Pneumatic timing utilizing pressure controlled orifice Time calibrated dial head adjustment Subpanel mounted ilot Devices Heavy duty oil tight NEMA 13 Door
5. designated by the operator The Programmable Controller shall provide a common alarm digital output that can be configured to be any digital output and can be displayed anywhere on the LED annunciators The common alarm LED shall flash whenever there are any unacknowledged alarms It shall be configurable whether or not the physical output follows the on off cycle of the LED or stays on solid when the common alarm is active FAULT TOLERANCE AND RELIABILITY Event Logging The Programmable Controller shall provide a mechanism that reports and logs unusual events and items of interest Events shall be classified into at least these categories Fatal Error a severe error that may compromise system integrity Error an error condition that aborts the involved function but does not compromise system integrity Warning a potential problem that is recoverable Informational something the operator might be interested in not a problem Continued on page 26 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification i ___ Continued from page 25 Upon the detection of an event the Programmable Controller shall report information about the event including date time to 10 mS resolution the reporting agent or function and the nature of the event If a Fatal Error event is detected the Programmable Controller shall automatically reset itself reinitializing the operating system and all system functions Events sh
6. Individual front door shall not exceed 40 inches in width 3 Door latching mechanism shall utilize a three point design pad lock provisions included 4 Side clearance form internal MCC sections shall be 3 inch minimum 5 Front clearance from internal MCC sections shall be 6 inches minimum 6 Front clearance from internal switchboard sections shall be I inches minimum 7 Lifting eyes shall be provided 3 8 inch minimum Finish Exterior color ANSI 61 gray or as specified 2 Interior color white 3 Electrostatically applied polyethylene dry powder baked at 380 deg F Metal shall be chemically prepared prior to painting using five step preparation process consisting of Alkaline cleaner Iron phosphate application 4 a b Clear water rinse c d Clear water rinse e Inhibitive rinse Wiring Protect with fuses or circuit breakers 2 Bundled with plastic ties or wrap or run in plastic wire ways 3 Color coded Continued on page Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification a ___ Continued from page 0 600 Volt 19 strand MTW or THHN Number each wire with Brady slip clip markers or equal according to shop drawings Number all terminal strips according to shop drawings Common wires to be of same number 4 and color throughout Label front pan
7. event window sequence of events reporting 7500 V optically isolated LED annunciators for each input on card faceplate available with at least 16 Digital output 10A relay contact Continued on page 5 23 Phone 916 3 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification i ama Continued from page 14 LED annunciators for each output on card faceplate available with at least 16 Analog Input Card The Programmable Controller shall support the following analog input card with the listed characteristics Analog input senses voltage or current selectable for 0 5V or 4 20 mA minimum 2 bit resolution differential isolated available with at least 16 Analog Output Card The Programmable Controller shall support the following analog output card with the listed characteristics Analog output sources voltage or regulates current selectable for 0 5V or 4 20 mA minimum 2 bit resolution differential isolated in current mode available with at least 8 Digital Input Card The Programmable Controller shall support the following digital input card with the listed characteristics Digital input senses a contact open closed condition 7500 V optically isolated LED annunciators for each input on card faceplate available with at least 32 Digital Output Card The Programmable Controller shall support the following digital output card with the listed characteristics Digital output 10A
8. of peer to peer messages is disabled Polling is disabled PROGRAMMING Language The Programmable Controller shall be programmable using the IEC 1131 3 Standard for Automation Programming Languages which includes a full implementation of the following five languages Sequential Function Chart Structured Text Instruction List Function Block Diagram Ladder Diagram The IEC 1131 3 program development environment shall at a minimum include the following features Native Microsoft Windows Application Operate on a PC platform running Microsoft Windows 3 1 1 95 NT Allow Upload Download of all program code Full Graphic Editor Tools optimized for creating and editing source programs Animated Graphic Tools Off Line Simulation Tools On Line Debugger Tools Documentation Tools Archive Tools Library Management Tools Project Management Tools Password Protection Tools for Projects and Libraries In addition to the above IEC 131 3 languages the controller shall have the ability to execute compiled C source code and also the ability to execute a higher level BASIC like programming language which is native to the controller Continued on page 20 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 9 The native programming language shall at the least
9. program shall be available free of charge to Upload and Download from a laptop computer to the controller all calibration points setpoints and native control programming A complete user s manual shall be provided which describes the use of all programming software Windows DDE Server Software A windows DDE server program shall be available to poll the programmable controller and serve real time data values to any DDE compliant client such as spreadsheets databases and SCADA systems This software shall operate on a laptop computer and shall poll the controller through the maintenance port to gather real time data of any type and number Also the program shall operate remotely through a POTS dialup phoneline to poll for any real time data in the controller The program shall have the ability to operate in a multipoint controller environment up to 100 controllers with full hardware handshaking to the communications media The program shall have the ability to display all telemetry message transactions for the communications port and shall utilize protocol disciplines such as retries comm failures and automatic comm recovery methods Continued on page 31 IS COF Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification 2B Continued from page 30 REACTIVE AIR MONITORING LEVEL SYSTEM The level monitoring shall be done by a reactive air system consisting of an air compressor compression bell 3 way so
10. standard tests for 600V class equipment 2 Perform dielectric tests on all circuits including power and control in accordance with NEMA procedures in Tests for Industrial Control Systems 3 Certification The system shall bear an UL or ETL label The system shall meet all applicable National State County and local codes and ordinances Continued on page 5 gt CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification SS 22a Continued from page 4 Submittals Shop Drawings and Product Data l Submit outline Drawings including plan front and sectional or side views and dimensional data schematics wiring diagrams and operation and maintenance manuals sufficiently complete to fully describe the system to be provided As a minimum the following shall be provided Projected floor space required for equipment Absolute minimum working space required at front rear and sides of equipment Equipment height Equipment weight Sill and anchor bolt locations Sufficient data to verify compliance with specifications Wiring diagrams of all units including wire and terminal identification and numbering system AWNOPanSTP Name of manufacturer Allen Bradley SMC Dialog Plus or Pre Approved Equal All shop drawings to be prepared utilizing Computer Aided Design techniques CAD and be maintained on floppy disk by the suppl
11. support the following attributes The programming language shall be line number oriented with an allowed range of line numbers of at least 65 000 The language shall support the ability to Event subroutines that execute automatically upon change of input signal Create multiple execution loops within the program Create multiple subroutines Nest subroutines to at least 10 levels Make a direct jump to a specified line number Use built in math functions including log inverse log sine cosine tangent min max Use parenthesis to specify precedence in expression evaluation nested to at least 10 levels Use indirection in register reference where the specific register number referred to in an expression is stored in another register Execute code segments based on specified events that are monitored by the operating system to ensure immediate response to critical events The Programmable Controller shall support the definition of at least 25 individual events These events shall be definable as Change of state on a digital input or output Logical truth condition of an arbitrary expression involving any register type such as ANALOG INPUT 7 gt SETPOINT 17 SETPOINT 18 Registers The Programmable Controller shall have at least the following preformatted register types arranged in a global system database with the quantity of each register type selectable to at least the numbers given Setpoint for storing constants at least 1000
12. the bolted on type The use of tandem or dual circuit breakers in a normal single pole space to provide the number of poles or spaces specified is not acceptable All multiple pole circuit breakers shall be designed so that an overload on one pole automatically causes all poles to open Circuit breakers shall meet the requirements of UL and NEMA AB Breakers shall be Westinghouse EHD MCP or equal All circuit breakers shall be heavy duty molded case circuit breakers conforming to Federal specification W C 375B and shall be UL listed A button shall be provided on the cover for mechanically tripping the breaker Name Plates Nameplates shall be black phenolic with white lettering Nameplates shall be stainless steel screw mounted Glue type will not be acceptable Panelboard Panelboard shall be circuit breaker type custom constructed to utilize minimum enclosure space with breakers as shown Circuit breakers shall be bolted on type The panelboard shall be furnished with phenolic nameplates The panelboard transformer shall be dry type construction sized as shown on the plans with primary breaker protection The panelboard transformer shall be a Jefferson 211 G E or equal Panel Lights Furnish and install push to test lights to indicate status and alarm conditions locally as shown on drawings Engraved phenolic nameplates shall specify each light s function Lights shall be wired as shown on drawings Panel lights shall be full voltage IDEC
13. 20 VAC control circuit disconnect breaker shall be clearly labeled 7 Any 480 VAC terminals remaining hot with the PPS activated shall be coded and labeled as hot such as supply side of circuit breakers Continued on page 2 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification EBB Continued from page PROGRAMMABLE LOGIC CONTROLLER RACK UNIT The Programmable Controller shall have all the characteristics and features listed herein All these features shall be readily available as an integral part of the Programmable Controller and shall be standard catalog items for the product The use of any third party hardware or software add on products to meet this specification is not acceptable The L2000 Programmable Controller from Tesco Controls Incorporated or preapproved equivalent is acceptable GENERAL REQUIREMENTS Manufacturer The Programmable Controller shall be procured from a manufacturer that has at least 10 years experience manufacturing its own Programmable Controllers designed specifically for the water and waste water industry The Programmable Controller itself and support for the controller shall be available directly from the manufacturer Programming services shall be available direct from the manufacturer as a normal practice The manufacturer shall also pr
14. 9 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification ee ee Continued from page 26 Diagnostic Functions The Programmable Controller shall have the capability to perform self test diagnostic functions under operator control to verify the integrity of the unit These tests shall include as a minimum ROM Test check the validity of the ROM contents using a checksum Write Protected RAM Test checks each address in write protected RAM for ability to write and read properly shall support repetitive test mode that runs continuously and tallies the results Non Write Protected RAM Test just like above test but checks non write protected RAM Annunciator Test flashes all annunciators on and off repetitively to verify that each LED works properly physical digital outputs shall be unaffected during this test Voltage Test displays voltage on RAM backup battery 12 V DC main supply and CPU operating supply Communications Port tests each port individually sending out a test pattern and verifying its return shall support both internal and external loop back of the signal and repetitive test mode that runs continuously and tallies the results Network Test sends a test message to a remote unit selectable by the operator provides a means of repetitively sending the test message at a frequency determined by the operator waits for a response and tallies the results Act
15. Analog input physical or internal at least 1000 total Analog output physical or internal at least 1000 total Digital input physical or internal at least 1000 total Digital output physical at least 64 Index for indirection and general purpose use at least 1000 Timer counter at least 1000 total The Programmable Controller shall store setpoint analog input and analog output registers in 32 bit precision IEEE 754 standard format providing the ability to represent numbers in the range 3 37 x 1038 Index registers shall be stored as 32 bit precision unsigned integer values providing the ability to represent numbers in the range 0 to 4 294 967 295 Timer counter registers shall be stored as 32 bit precision unsigned values supporting at least the following sub types Seconds timer times in seconds with 10 mS or better resolution up to 497 days Hours timer times in hours with 2 second or better resolution up to 272 years HMS timer hours minutes seconds format with 0 5 second or better resolution up to 68 years Event counter integer value register supporting increment decrement range 0 4 294 967 295 The Programmable Controller shall provide a counter type that may be associated with one of the l6 interrupt driven digital inputs in order to count pulse trains The Programmable Controller shall support a pulse counting frequency of at least kHz on a single input Continued on page 21 IS COFr Tesco Cont
16. actually installed at no additional cost to the Owner Each motor control system shall be equipped with a hand off auto control switch indicating lights elapsed time meter ammeter motor starter control transformer with primary fuses and secondary control power fuse Control switches and indicating lights shall be U L listed oil tight devices rated heavy duty Provide Idec Westinghouse or equal Motor starters shall be NEMA rated with an electrically held contractor and a single reset 3 phase overload relay with a normally closed holding contact and a normally open isolated contact for overload alarm Each overload shall be ambient compensated and shall trip on 600 of full load current in less than 6 seconds Each motor starter Size 3 and larger shall be furnished with a minimum of 4 auxiliary contacts and provisions for adding 2 more Auxiliary contacts shall be convertible in the field from normally open to normally closed Each overload relay shall have a test trip push button built in and a adjustable calibrated trip with indicating dial There shall be an unbreakable steel operator with insulated plastic foot for safety through the front door for manual reset Provide Westinghouse A201 Allen Bradley 100 or equal Control power transformers shall be sized as shown on the plans minimum size shall be 100VA where not designated Provide Micron G E or equal Time on delay relays for staggered start Time delay relays are to delay t
17. age unbalance by automatically adjusting the voltage output to balance the three phase currents drawn by by motor 5 RVSS s which utilize tradisional voltage unbalance protection are unacceptable Continued on page 6 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 5 6 Environmental operating conditions a Altitude up to 3 300 feet b Ambient temperature 32 to 122 Fahrenheit c Humidity up to 95 non condensing 7 Input signal a 100 240V AC b 24V AC c 24V DC 8 Input line voltage regulation 200 480V AC 200 600V AC 15 10 Diagnostic LCD Display 9 a Power loss indicates whenever power is lost or the capacitors are not fully charged b Overload indicator will display when a RVSS is supplying more current than the programmable preset to the load c Jam detection displays to inform of motor jam according to the percentage of the motor s full load current rating after the programmable allotted time d Over voltage will show when the RVSS has tripped due to either an overhauling load regenerative voltage or an extremely high input voltage e Under voltage displays when the RVSS has tripped due to an input voltage below the adjustable required voltage percentage level for more than programmable allotted time f Underload shows when the RVSS has tripped due to sudden drop in current according to the adjustable full load current
18. all be directable to any combination of one or more of the following devices the alphanumeric display the LCD display and the RAM event log The minimum event severity reported shall be individually definable for each output device The RAM event log shall store the list of reported events with the number of messages stored being a configurable item The Programmable Controller shall support viewing of the RAM event log data by transmission via the serial port Fault Relay The Programmable Controller shall contain a normally closed fault relay that under normal operation shall be energized by the Programmable Controller to indicate a non fault state The fault relay shall go to a fault condition non energized under the following circumstances 12 V DC power failure Memory error or other internal operating error Power Up Self Test The Programmable Controller shall perform a brief self test upon application of power including ROM checksum RAM write protection circuit check Write protected RAM CRC check On Going Self Test During normal operation run or standby modes the Programmable Controller shall run an ongoing self test process that periodically checks the following Write protected RAM integrity CRC The frequency with which the ongoing self test performs these checks shall be configurable by the operator Continued on page 27 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 42
19. driven digital inputs Event logging levels for each different output device capable of reporting events including the alphanumeric display and RAM event log Maximum number of messages to store in the RAM event log Speed with which messages are scrolled across the alphanumeric display Default precision for floating point number displays Which ports 1 2 3 4 or any combination are shown on the transmit and receive activity LED s Time from last key press until unit automatically logs out the user including a setting that will disable the automatic log out feature Ethernet IEEE 802 3 10Mbps DeviceNet Industrial Network 500K baud Serial Communications port parameters including Personality at least RS 232 full handshake RS 232 no handshake RS 485 direct modem radio modem dialup modem Baud rate 110 to 230 400 Parity odd even none Stop bits 1 2 Use of DCD handshake signal for point to point versus multi point telemetry Port timing parameters in 10 mS resolution including Delay from receipt of message to attempted response 0 10 seconds Leading pad bytes 0 20 pad bytes Trailing pad bytes 0 20 pad bytes Time to wait for acknowledge of transmitted message 0 01 10 seconds Maximum number of times to try transmitting when no acknowledge received 65 535 Continued on page 22 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 21
20. e Programmable Controller shall also allow the operator to perform a rough calibration without actual signal values on the input by manually selecting simulated voltage or current values SINGLE AND MULTI POINT TEST The Programmable Controller shall provide the ability to override register values for test and other purposes The following registers shall support this test override feature Analog input Analog output Digital input Digital output Timer counter Index register When in override the operator shall be able to control the register set any value or on off state independent of the control program or physical input The value seen by the control program shall be the override value Continued on page 25 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 24 The Programmable Controller shall provide two separate override functions single point and multi point The two functions shall be separately assignable privileges by password The single point override function shall allow the operator to override a single register When he exits this function to perform other operations the override shall be automatically released The multi point override shall allow the operator to lock in at least 100 individual overrides He shall be able to exit the override function and perform all other normal functions on the Programmable Controller with the override points remain
21. e LED s shall also be usable for bar graph displays The mapping of LED s to digital inputs and outputs shall be completely configurable allowing any random arrangement including Continued on page 8 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 7 the ability to map any number of LED s to a single input or output to achieve maximum visibility Mode LED s The Programmable Controller shall be equipped with at least the following mode display Brite Lite LED s SBY lighted when in standby mode CMD lighted when in command mode RUN lighted when in run mode MEM lighted when write protected memory is open CAL lighted when in calibration mode XMT lighted when a message is being transmitted via a communications port RCV lighted when a message is received via a communications port ERR lighted when a an error condition is detected by the controller The XMT RCV LED s shall be configurable to selectively show activity on any combination of the communications ports Bar Graph Displays The Programmable Controller shall have the ability to display at least 4 bar graphs on the Brite Lite LED annunciators The bar graphs shall be individually configurable with respect to the following characteristics Display position anywhere on the 380 LED s Height allowing a range of at least 10 80 LED s Value to be displayed allowing any analog input or output register scale Values
22. ed Continued on page 23 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification 2 22a Continued from page 22 Polling Master Communications The Programmable Controller shall initiate polls as a master unit and wait for the response from the slave device Polling of all register types shall be supported Polling communications shall be configured via a table such that listed registers may be polled for from a slave programmable controller or other system based on an elapsed time interval The polled values shall be storable in any analog input output or setpoint registers This table shall be downloadable via a communication port Quiescent Communications Using quiescent peer to peer communications the Programmable Controller shall provide the ability to initiate messages transmitting register values under operator definable conditions Quiescent communications operation shall be configured via a table such that listed registers may be sent to a peer programmable controller or other system based on an elapsed time interval a change of state or change by a threshold amount The threshold values shall be storable in any analog input output or setpoint registers This table shall be downloadable via a communication port Report by Exception Communications The Programmable Controller shall support a means of report by exception communications where only those registers of interest that have changed s
23. ed with a 30 day supply of air in the compression bell and the controller operation is back to normal mode Specifications Standard Level Range 0 35ft Optional Level Ranges ft 5 ft 12 ft 70 ft 140 ft 240 ft 480ft Operating Voltage 120 VAC or 12 VDC Temperature Range 0 to 200 degrees Fahrenheit Accuracy 0 125 35 ft Repeatability 0 2 Interface 2 wire analog current loop 4 20 mA Compressor Type Oil less direct drive Compressor Construction Aluminum piston teflon sleeved aluminum cylinder Compressor Torque Initialize into 250 PSI head Compressor Displacement 0 65 CFM 50 PSI gt CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com
24. el devices with engraved laminated nameplates fastened with at least 2 screws VOND D Label rear panel devices 10 NEMA class IIC wiring I 1 All components associated with a particular compartments function to be mounted in that compartment Ventilation Expanded metal openings with bug screens 2 RVSS S to be forced air fan cooled to limit temperatures to RVSS manufacturer s specifications 3 Provide 6 sq in ventilation opening per KVA for any transformer above 5 KVA Air Conditioner In outdoor NEMA 3R installations shall be furnished with appropriate Air Conditioning A C units A C shall be solid state design Sized to maintain internal temperature within VFD manufacturers standards Closed loop design Suitable for outdoor applications uk Wn gt Unit shall be as manufactured by McClean Midwest Slimboy series or approved equal Personnel Protection System Integrated system including enclosure electrical and process controller 2 Enclosure shall be compartmentalized with separate isolated compartments for RVSS and associated appurtenances 3 Each compartment door to be set up so compartment feed breaker must be open or defeated with screwdriver to open door 4 Opening of RVSS or bypass starter compartment door will trip a door switch this door switch trip contact will go to the process controller 5 120 VAC control circuits may remain energized when a section is open but a label shall so indicate 6 The 1
25. er to be acceptable for use in water treatment and waste water treatment environments Other The Programmable Controller shall have a low power shut down mode suitable for use in solar or other sites where power consumption is critical The Programmable Controller shall be provided with a complete operations and maintenance manual At minimum each Programmable Controller shall be subjected by the manufacturer to a 5 day burn in procedure at 165 degrees F CARD ARCHITECHTURE Processor Card The Programmable Controller shall be microcontroller based using a microcontroller that at minimum supports the following 55 33 MHz clock rate Flat non segmented memory addressing RISC Communication Co Processor Serial DMA channels Dual ported RAM Watchdog timer 4 configurable timers with interrupt capability 6 serial ports with separate baudrate generators Write protect enable disable The Programmable Controller shall use a real time preemptive multitasking operating system contained in Read Only Memory ROM The ROM shall also contain all firmware that is not specific to a particular job or application such as operator interface and communications firmware Application specific programming and data shall be contained in battery backed RAM The RAM shall be low standby power CMOS static RAM The backup battery shall maintain RAM contents when the Programmable Controller is not connected to an external power source The backup bat
26. er shall be available with a built in isolated current loop power supply powered from the 12V DC main power The current loop power supply shall be capable of producing at least 24V DC and 161 mA 3 distinct classes of lightning protection shall be available Standard Class A lightning protection shall consist of dual MOVs at each Al AO individually fused Al AO power source fused DI source and common with clamping diodes onboard spare fuses for all fuse types Class AA lightning protection shall in addition to Class A include dual gas discharge tube at each Al AO Class AAA lightning protection shall offer the most comprehensive protection full 500 joule 12 stage lightning protection at each Al AO Power Supply The Programmable Controller shall be powered by a 12V 5V DC power supply with an allowed operating range of at least 10 A 12V battery backup of the 12V DC shall be available such that the 5V DC is also maintained by the 12V battery OPERATOR INTERFACE The Programmable Controller shall be available with the choice of at least two operator interface units that easily flush mount in the enclosure door The compact model shall have at least the following attributes 60 Brite Lite LED annunciators with adjacent site specific label descriptions 8 Brite Lite LED mode annunciators and communication activity annunciators 8 character Brite Lite alphanumeric display of at least 0 5 inches high 4 keys to easily traverse a user friendly menu tree
27. er Passwords Passwords shall be maintainable from both the full and minimal keyboards if the operator has the Administer Passwords privilege He shall be able to View the list of existing passwords View the privileges for a given password Continued on page 29 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 28 Change a password Add a password Add remove privileges from a password Delete a password The Programmable Controller shall also support uploading and downloading of password configuration information via the communications ports DATA ARCHIVING The Programmable Controller shall provide a means of archiving register values into storage arrays The register types that may be archived shall include Analog input Analog output Digital input Digital output For analog inputs and outputs the Programmable Controller shall implement archiving using a data compression scheme such that each point stored represents the minimum maximum and average over the previous sample period The sample period shall be configurable allowing a range of at least minute to 15 minutes The Programmable Controller shall collect multiple samples evenly spaced in time within the sample period The sample rate shall be configurable allowing a range of at
28. es Stick on labels wire fasteners or wire numbers are not acceptable All wiring shall be to NEMA Class II C requirements Complete wiring diagrams shall be provided drawn with computer aided design CAD techniques All components associated with a particular compartment s function shall be mounted in that compartment i e control relays motor starters etc shall be mounted in the control section compartment Spacing of components shall be in accordance with U L standards Where required ventilation shall be provided through louvers with bug screens Transformers above 5 KVA shall be ventilated by 6 square inches of opening for each KVA Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification EEE Continued from page 1 Each compartment shall have a space heater and a thermostat Motor Control Provide each motor with a suitable controller and devices that will perform the functions as specified for their respective motors Controllers shall conform to the applicable requirements of NEMA ICS ANSI C19 1 the NEC and UL Anticipated horsepower ratings are shown on the contract documents This information is for guidance only and does not limit the equipment size When motors furnished differ from the expected ratings indicated make the necessary adjustments to wiring conduit disconnect devices motor starters branch circuit protection and other affected material or equipment to accommodate the motors
29. hange timers and counters Examine and change analog input filter constants Calibrate analog inputs and outputs Force digital outputs on and off Override analog inputs and outputs Examine control program The full keyboard shall in addition allow the operator the ability to change the control program and provide direct access to major functions without the use of menus Either keyboard shall be available with at least 4 macro function keys These macro keys shall be programmable to perform actions that would normally require multiple keystrokes on the normal keyboards The programming shall be supported both by downloading through a communication port and directly through the full keyboard LED Character Display The Programmable Controller shall be available with an alphanumeric Brite Lite LED display capable of displaying at least 8 characters at a time using at least 15 segments per character This display shall be at least 0 5 inches in height and shall be readable from a distance of at least 25 feet The LED character display shall be used for showing the values of registers inputs outputs and other data It shall also be used to display English language menu options to implement the menu system described above LED Annunciators The Programmable Controller shall be available with individual Brite Lite LED s arranged in columns which shall be usable to display the on off state of digital inputs and outputs physical or internal Th
30. he pump motors from starting upon resumption of service power such that only one motor can be started at a time Time delay relays shall be furnished for pump fail indication set to interface with limit switches and ride through normal starting time Ammeters with phase to phase phase to ground switch shall be provided for each motor Appropriately sized current transformers shall be installed Ammeters with switch shall be mounted on the corresponding motor starter MCC cubicle door Terminal and Distribution Blocks Distribution blocks shall be furnished and installed as required for fan out of control power and other 120V sources within the enclosure The blocks shall be rated 300V at a minimum of 20 amperes and sized for the conductors served Distribution blocks shall be similar to Square D Connectron NFT or equal Continued on page 3 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 2 Circuit Breakers All 480 volt circuit breakers shall have interrupting capacities at 14 000 amperes All 120 volt breakers shall be rated 10 000 amperes interrupting capacity Circuit breakers shall be of the indicating type providing ON OFF and TRIPPED positions of the operating handle Circuit breakers shall be quick make quick break with a thermal magnetic action except when protecting motor feeders where motor circuit protector MCP breakers may be used Circuit breakers shall be
31. ier for a period of not less than 10 years Product Delivery Storage and Handling Ship anchor materials ahead of scheduled equipment delivery permitting installation before concrete is placed During construction protect all electrical equipment insulation against absorption of moisture metallic components against corrosion by strip heaters lamps plastic wrapping or other suitable means Provide temporary power if needed for this use 2 Provide protection immediately upon receipt of equipment and maintain continuously Reduced Solid State Starter s General The RVSS s is a critical component of the proposed system Past performance of various manufacturers has revealed substantial differences in function serviceability and reliability Products deemed acceptable for this application are Allen Bradley SMC Dialog Plus or Pre approved Equal The supplier shall submit for approval at least 10 days prior to bid any alternative RVSS equipment proposed for this project The RVSS s shall be of the latest technology 2 It shall be designed for variable torque or constant torque loads requiring a control that maintains a process variable level flow pressure etc for motors such as a Centrifugal pumps b Turbine pumps i Centrifugal fans 3 The RVSS shall be available from a single manufacturer in the horsepower range of 0 5 to 800 HP 4 The RVSS shall incorporate a dymamic Phase Rebalance feature to compensate for volt
32. ince the last reporting are transmitted All register types shall be supported The Programmable Controller shall use a table to identify the registers that are to be transmitted via report by exception and individual thresholds that are used to determine significant change This table shall be downloadable via a communication port Message Routing The Programmable Controller shall provide the ability to route received messages that are destined for another unit The routed message can be received and sent in any combination of communication ports and physical media Using this method the controller shall provide the ability to transfer messages between two or more units that are not directly connected but that are both connected to the routing controller Failure Recovery The Programmable Controller shall have the ability to switch to alternate communications paths in the event of failure of the primary path There shall be no practical limit on the number of different paths that the Programmable Controller may try in order to deliver the information These alternate paths shall be definable to be a different destination unit on the same port or the same or different unit on a different port In the event that the original communications path becomes available again the Programmable Controller shall switch back to that path Redundant Message Elimination The Programmable Controller shall automatically provide redundant message elimination whe
33. ing locked in their selected states The Programmable Controller shall provide the ability to individually release override points based on a list of current points presented to the operator The operator shall also be able to release all override points at once When any register is in override there shall be a visible indication to the operator regardless of what mode the Programmable Controller is in ALARMS The Programmable Controller shall provide alarm flags to be used to indicate application specific alarm conditions Alarms shall have the following functionality Adherence to ISA Sequence M standard Any digital input or digital output physical or internal may be designated as an alarm The alarm may be independently mapped to any LED annunciator When the alarm condition is asserted the associated LED shall flash It shall be individually selectable if the physical output for a digital output alarm will turn on and off with the LED or stay on solid when the alarm is asserted If the alarm is acknowledged the LED shall go solid on if the alarm condition still exists or solid off if the condition no longer exists If the alarm condition goes away before the alarm is acknowledged the LED shall continue to flash until acknowledged The Programmable Controller shall provide at least these methods of acknowledging alarms Through the full keyboard with a single key Through the minimal keyboard with a menu function Using any digital input
34. ivity Monitoring The Programmable Controller shall provide a mechanism for selectively viewing activity of certain integral subsystems Text messages indicating activity shall be directable under operator control to the LCD or a communication port The subsystems that can be monitored shall include Input scanning showing raw and calibrated values Serial port communications Ongoing self test The serial communications monitoring shall have the following capabilities The ability to monitor any combination of the 6 ports Date and time stamping of each message to 10 mS resolution Selectively show only messages directed to and sent by this unit or all messages Three non exclusive modes 1 raw byte display in hexadecimal 2 interpreted mode where messages are displayed by acronym 3 transmission queue mode that shows each change to the queue Power Fail Brownout Detector The Programmable Controller shall have an integral hardware device that detects a brownout or imminent power fail condition Upon detection of the 12V DC power supply voltage dropping below an adjustable threshold this device shall generate an immediate interrupt signal to the microcontroller The microcontroller shall respond to this interrupt by finishing any memory write operations in progress then going into a safe execution loop where no memory write operations are occurring Continued on page 28 Tesco Controls Inc Reduced Voltage Solid State Motor Contro
35. l Center specification Continued from page 27 Watchdog Timer The Programmable Controller shall contain a hardware watchdog timer circuit that will reset the microcontroller within second of detecting a firmware failure SECURITY The Programmable Controller shall be capable of being configured to require password entry before access to functions that would change the control characteristics or basic operating mode run standby of the Programmable Controller Multiple passwords shall be supported with at least 100 allowed Each password shall allow an independent set of privileges A default list of privileges shall be definable that apply when no operator has unlocked the Programmable Controller with his password If the operator does not operate the keyboard within a selectable time period the Programmable Controller shall log him out automatically At least the following functions shall be individually assignable privileges Examine Analog Input Examine Analog Output Examine Digital Input Examine Digital Output Examine Setpoint Examine Timer Counter Examine Index Register Examine Filter Constant Examine Program Examine Configuration Examine Archives Change and Setup Archives Change Operating Mode Run Standby Perform Single Point Test Override Perform Multi Point Test Override Acknowledge Alarms Change Setpoint Change Filter Constant Change Calibration Change Configuration Perform Diagnostics Administ
36. least to 10 seconds A second method of sampling shall be supported for analog inputs and outputs where the data value is stored whenever it crosses a threshold from the previously stored value The threshold shall be stored in a selectable analog input output or setpoint register Digital inputs and outputs shall be stored upon change of state The Programmable Controller shall allow the operator to define at least 25 separate registers to be archived with individual timing and threshold parameters for each The Programmable Controller shall provide direct read access through any communications port to the contents of each data archive Each sample shall consist of a date and time stamp and the register value The Programmable Controller shall also provide functions available through the communications port that allow an external SCADA or other system to reset specific archives and obtain other necessary information about the data archives in use REMOTE CONRTOL The Programmable Controller shall have the ability to remotely control other controllers of the same make using any of the communication ports The operator shall be able to perform at least the following functions on the remote unit by using the local keyboard Continued on page 30 Contro s Inc A 95823 Phon 6 395 8800 Fax 916 429 ocontrols 3409 52nd Ave S Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specifica
37. lenoid valve and level transducer The level transducer senses the back pressure of the static air column set up in the compression bell that is periodically replenished by the purge air compressor The compression bell shall be designed with high strength non corrosive plastics and shaped to provide a resistance to buildup of foreign material The specially designed programmed multi cycle cleaning system shall prevent the compression bell from plugging while minimizing compressor run time The reactive air control shall also provide a means of manually actuating the purging cycle when immediate purging and cleaning is necessary The purge sequence shall be as follows a The 3 way valve is sequenced to the purge position by the controller s purge mode automatically every 8 hours adjustable While in the purge mode the last level transducer value is electronically held by the hold circuit b The compressor is then started to purge and clean the air lines and replenish the compression bell with a 50 PSI air blast The air blast is retained for 4 seconds adjustable c The 3 way valve is held in the purge position an additional 4 seconds after the compressor is stopped to allow the air dynamics to settle d The 3 way air valve is now transferred to the normal level monitoring position and the level transducer signal is held thru the purge cycle plus 10 seconds then released to reflect the real time level value e The system is now recharg
38. mounted Contacts and lamp lens colors as indicated on the Drawings Escutcheon type legend and plate for each pilot device Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Continued on page 9 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification nn __l Continued from page 8 Enclosures and Manufacture Vertical Sections Freestanding vertical sections and special freestanding instrument sections bolted together to form a single dead front panel assembly containing a Pull sections b Circuit breakers c Contactors d Transformers e Isolation Transformer if required f Reduced Voltage Solid State unit g Relays indicating lights run time meter and other control components as shown on contract drawings h Local Off Remote selector switch i Wiring j Busing k Panelboards l Process Controller m Other devices shown on the Contract Drawings or specified Bussing Copper phase ground and neutral horizontal busses 2 Tin or silver plated joints 3 1000 amps sq in of cross section area 4 Brace for 50 000 amps symmetrical minimum Bus supports High dielectric strength 5 a b Low moisture absorbency c High impact resistant d Ample creepage distance between phases Wallmount Units Wallmounted RVSS unit to form a single dead front panel assembly containing a Isolation Tran
39. n The Programmable Controller should be constructed using a card cage architecture incorporating a 96 pin 3U DIN VME standard backplane interconnection The printed circuit cards shall be designed to slide into the card rack and interconnect with the VME backplane A high density I O card with a mix of I O types as well as an I O card for each individual I O type shall be available The system shall operate with a minimum of 2 cards and shall be easily expandable to 20 cards The Programmable Controller shall be solidly mountable but shall be capable of being removed easily in the field Card cages with a capacity of 2 to 20 slots shall be readily available All field wiring to the I O cards shall be done at externally mounted terminal blocks with ribbon cable interconnects to the relative I O card Continued on page 3 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 2 Operating Conditions The Programmable Controller shall operate correctly under an ambient temperature range of 40 to 200 degrees F without requiring forced air or other special cooling measures Coatings on connectors component leads and other materials used in the construction of the Programmable Controller shall be substantially resistant to atmospheres containing significant amounts of Hydrogen Sulfide gas and Chlorine gas Each component shall have passed testing and be certified in writing by the manufactur
40. n on the LAN Ifa collision is detected the Programmable Controller will cease transmission The Programmable Controller will then wait a random period of time before attempting to transmit again The Programmable Controller shall support a DeviceNet Industrial Network This device level Industrial network will enable the Programmable Controller to communicate to devices such as sensors switches relays contactors and control valves The Programmable Controller shall support serial communications using at least 3 different protocols The de facto standard ModBus protocol shall be supported The Programmable Controller shall also support a protocol capable of taking advantage of the advanced features available in the Programmable Controller that ModBus would not be able to support These protocols shall be able to coexist simultaneously on the same port The Programmable Controller shall support poll response polling master quiescent report by exception and message routing communications as described in the following sections Any of these communications modes shall be usable alone or simultaneously in any combination Polled Slave Communications The Programmable Controller shall respond as a slave unit in response to polling messages from a master SCADA system or other unit In this mode the Programmable Controller shall only respond to requests for data and not initiate messages on its own Transmission of all register types shall be support
41. n peer to peer and polled communications are used in combination When a value is polled for and that same value is due to be reported via peer to peer communications the conditions in the Programmable Controller shall be reset such that the peer to peer message doesn t immediately report the same information but instead waits for the value to cross the threshold again or pass the time interval Continued on page 24 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification CL _ Lge aa Continued from page 23 Other The Programmable Controller shall provide a means of enabling disabling quiescent polling master message initiation from the keyboard The Programmable Controller shall provide a means of monitoring message traffic via the alphanumeric display showing source and destination addresses and message codes represented in mnemonic form The monitor display shall show messages directed to any unit on the communications network Any key press shall temporarily disable this monitor display for a period of 5 seconds ENGINEERING UNIT REPRESENTATION The Programmable Controller shall have the capability to represent all analog input and analog output values directly in engineering units Engineering units are defined to be real world IEEE 754 standard floating point numbers corresponding to physical measurements such as pressure depth and flow The Programmable Controller shall not require the operator
42. normal operation Non write protected RAM shall be used as a scratch area to hold temporary information and data values that are subject to constant change A dedicated TELCO style communications port shall be readily available for maintenance port operations using a laptop computer Up to five additional communication ports shall be available for telemetry operations A fault relay connector shall be readily available to provide closed contacts in the event of an internal failure or power loss High Density Input Output Card The Programmable Controller shall support the following high density card with the listed characteristics Analog input senses voltage or current selectable for 0 5V or 4 20 mA minimum 2 bit resolution differential isolated available with at least 6 Analog output sources voltage or regulates current selectable for 0 5V or 4 20 mA minimum 2 bit resolution differential isolated in current mode available with at least 2 Digital input senses a contact open closed condition 7500 V optically isolated LED annunciators for each input on card faceplate available with at least 16 Digital output 10A relay contact LED annunciators for each output on card faceplate available with at least 8 Sequence of Events Card The Programmable Controller shall support the following SOE card with the listed characteristics Digital input senses a contact open closed condition event timestamp accuracy to ImS user defined
43. nt register and drive by a door mounted manual reset push button Other Materials Circuit Breakers Ratings at 600V a 100 and 225 amp frame 1 Interrupting 14 000 amps symmetrical 2 Non interchangeable trip 2 Three pole single throw 600V molded case air circuit breakers 3 Manually operated with quick make quick break trip free toggle mechanism 4 Bimetallic thermal elements a Designed to withstand sustained overloads and short circuit currents without damage or affecting calibration b Inverse time characteristic c Trip at 125 of trip current rating 5 Arc quenching devices 6 Main contacts a Silver plated b Carry rated current without exceeding UL temperature limits 7 Operating handle to indicate automatic tripping 8 Door interlock for supply circuit breakers a Interlocked to prevent opening access door when breaker is closed b External operating handle with provisions for up to 3 padlocks 9 Labeled as service entrance equipment where the Drawings indicate the breaker is to be used as service entrance disconnect Starters and Contactors Contactors 120V coil Three phase 60 Hz 600V Eight hour current rating in accordance with NEMA ang Reversing and multi speed starters Electrically and mechanically interlocked Spare interlock contacts a In addition to the interlock contacts indicated on the Drawings provide two spare N O and two spare N C or two spare convertible interlocking contacts b
44. nuously monitor the three phases for power loss low voltage phase loss phase reversal and have automatic reset The power fail monitor shall have a drop out voltage adjustment and a failure indicating LED Provide Diversified model SLA or equal Relays Time Delay Time delay relays shall be solid state relays with a timer adjustable over the range to 60 seconds unless other ranges are indicated or required Provide LED relay energized indicator lamp Time delay relays shall be IDEC RTE Agastat STA or equal REDUCED VOLTAGE SOLID STATE SOFT STARTER SPECIFICATION GENERAL REQUIREMENTS Description SCOPE The supplier shall provide and install complete and ready for use an Engineered Reduced Voltage Solid State RVSS Soft Starter system Reduced Voltage Solid State Starter s Microprocessor based Programmable Controller System software Circuit breakers and other appurtenances Enclosures Ventilation Air Conditioning Personnel Protection System PPS ON DWN bh WwW YN Startup Operator Training and Testing Quality Assurance Acceptable Suppliers The system supplier shall be regularly engaged in the production of RVSS control equipment and shall be able to demonstrate such experience for a period of not less than five 5 years Source Quality Control After equipment is completely assembled the supplier shall perform shop test for operating conditions circuit continuity high potential and other
45. oduce a Supervisory Control and Data Acquisition SCADA system that integrates directly with the Programmable Controller supporting the controller s native communications protocol to take full advantage of its capabilities Warranty The Programmable Controller manufacturer shall provide a year warranty with the unit A 5 year warranty and a 10 year warranty shall be available at additional cost These warranties shall be available in writing directly from the manufacturer before bid acceptance A warranty or service contract from a source other than the Programmable Controller manufacturer is not an acceptable substitute The warranty shall provide for direct on site replacement of the entire plug in Programmable Controller complete with the original program and configuration The manufacturer shall provide personnel to perform the warranty service at no additional cost to the purchaser The replacement controller shall be available within 24 hours installed and running at the station without requiring that the original unit first be removed and returned to the factory Telephone Support The Programmable Controller manufacturer shall provide telephone support for questions related to any aspect of the controller including general use application specific issues programming and use of the programming software This support shall be available directly from the manufacturer at no extra charge with the purchase of a controller Constructio
46. ol center shall be painted with a polyester dry powder electrostatically applied and baked on at 380 degree Fahrenheit to provide a corrosion resistive polyporc finish Interior color including front and back of all swing out doors separation barriers and mounting backpans shall be white The painting process shall include five stages of metal preparation using dip tanks as follows Alkaline cleaner 2 Clear water rinse 3 Iron phosphate application 4 Clear water rinse and 5 Inhibitive rinse to seal phosphated surfaces Exterior color shall be ANSI 61 gray interior surfaces shall be white Horizontal bussing shall be provided Bussing shall be copper with silver plated joints by electrolysis method to 0 0002 inches Ampacity shall be calculated on 1000 amps square inch of cross sectional area Bracing shall be for 50 000 AIC minimum All miscellaneous control and instrument wiring shall be protected by fuses or circuit breakers Wiring shall be neatly bundled or run in plastic wireways Wires shall be color coded per U L standards and shall be 600 volt MTW or THHN with 19 strands of copper All wires shall be permanently numbered with Brady slip clip wire markers Terminal strips shall be numbered to match wire numbers Common wires shall be of a common color and number throughout the system All devices shall be permanently labeled All door mounted devices shall be labeled with black and white screw fastened engraved plastic nameplat
47. rating percentage of the programmable allotted time g Over temperature indicates when the RVSS has tripped due to a transistor heat sink over temperature caused by insufficient cooling h Voltage Unbalance displays and halts motor due to the programmable percentage of the voltage supply magnitudes in conjunction with the rotational relationship of the involved phases 10 Thermal overload relay and trip a Monitor motor current b Electronic type adjustable c Compensation for reduced motor cooling at reduced speeds d Standard motor overload protection shall not be acceptable I1 Manual push button and automatic reset of a RVSS trip shall be provided a Automatic reset 1 Upon a fault trip the RVSS shall automatically reset the drive of a programmable set number of attempts usually 3 before locking the starter off line and posting a RVSS failure alarm 2 Upon a successful reset the RVSS shall return to normal operation Continued on page 7 Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification EE Continued from page 6 3 After the set number of resets and without the drive successfully restarting the trip shall lock out and a visual indication of the fault shall be annunciated 4 When the drive is locked out after its automatic reset attempts the operator shall be able to reset the cou
48. relay contact LED annunciators for each output on card faceplate available with at least 32 Input Output Characteristics The Programmable Controller shall provide built in digital filtering of analog inputs The filter constants shall be adjustable from the keyboard and through the communications ports Each analog input shall have an independent filter constant The Programmable Controller shall provide a virtually infinitely variable wide range of adjustment from no filtering to extreme filtering Each analog output shall have the ability to maintain output or zero output when entering standby mode Each digital output shall be turned off when entering standby mode Continued on page 6 Tesco Controls Inc y aTe 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification SS SS EEE Continued from page 5 Field Wiring Terminal Blocks The terminal blocks shall support the following listed characteristics pull apart two piece wiring blocks for fast and easy wiring re wiring separate wiring blocks for each I O type and each wire point fully labeled versatile internal or external analog power source digital outputs shall have socketed 10A relays with LED ON indicators entire terminal block shall snap on off standard track mount onboard passive circuit protection to protect programmable controll
49. representing the low point and high point of the bar graph scale in engineering units Each bar graph shall allow up to 4 markers to be displayed to show a related value Each marker shall be assignable to any setpoint analog input or analog output register such that when the value of the register changes the position of the marker shown on the bar graph changes appropriately The markers shall flash in order to be discernible from the rest of the bar graph display If the value being monitored by the bar graph should go beyond the defined endpoints under range or over range the LED at that end of the bar graph shall flash to indicate the condition OPERATING MODES The Programmable Controller shall have two basic modes of operation as described below RUN Actively controlling running application specific control program Sensing input signals Generating outputs under program control Peer to peer message initiation is enabled Polling is enabled Continued on page 9 Aye Sacramento CA 95872 Phone 9 Ave Sacramento CA 95823 Phone 9 oO 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 8 STANDBY Not actively controlling application specific control program is stopped Continues to sense input signals Analog outputs held at current level or set to zero Digital outputs go to off state Initiation
50. rols Inc Reduced Voltage Solid State Motor Control Center specification SS 2 ee Continued from page 20 The Programmable Controller shall provide a timer type that may be associated with digital outputs in order to produce variable duration output pulses The range of pulse durations shall be at least 20 mS to 994 days with 20 mS resolution PID Function The Programmable Controller shall provide built in PID Proportional Integral Derivative control without requiring any procedural programming or subroutine writing The PID setup shall be table driven allowing the designation of registers for the PID input and output parameters and variables The PID control routine shall be automatically executed by the operating system as a background task whenever the Programmable Controller is in Run mode The Programmable Controller shall support the ability to simultaneously execute at least 16 independent PID control loops CONFIGURATION The Programmable Controller shall be configurable via a configuration table which shall be changeable both by downloading through a communication port and through the full and limited keyboards The configuration table shall allow the operator to change virtually all significant operating parameters of the system including Number of physical and internal registers of each type Input scan rate selectable in mS resolution or better Individual filter constants for pulse counting on each of the l6 interrupt
51. sformer b Reduced Voltage Solid State unit c Relays indicating lights run time meter and other control components as shown on contract drawings d Local Off Remote selector switch e Wiring f Busing g Other devices shown on the Contract Drawings or specified Continued on page 10 Tesco Controls Inc 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 9 Terminals Provide suitable solderless terminals or lugs for connection of all incoming and outgoing circuits 2 Provide terminals for control cables shown by the one line and schematic drawings as entering control center without connection to internal devices Fabrication Structure shall be fabricated from 2 gauge hot dipped galvanized sheet steel NEMA or NEMA 3R construction as specified Each section to have 1 2 XI 1 2 X1 4 minimum hot dipped galvanized sheet steel angle base as required Front accessibility Each cubicle individually barriered Stainless steel hinges and screws All Dead front latches are 1 4 turn adjustable with 1 8 thick latching dog and knurled knob so MDNR WN Concrete base with anchor bolts to meet applicable seismic requirements shall beprovided as required Outdoor Weather wrap NEMA 3R Fabricated from minimum 2 gauge hot dipped galvanized sheet steel l 2
52. tery shall be a Lithium cell capable of continuously powering the RAM in a standby state for a minimum of 10 years with no loss of data The Programmable Controller shall be available with a total of at least megabytes of RAM The RAM shall be divided into two sections write protected and non write protected The boundary between these two sections shall be user definable Continued on page 4 esco Controls Inc ON hed Aua Canramanta A 95292 Phone 9l Ind Ave Sacramento CA 95823 Phone 916 Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification Continued from page 3 Critical information including the application program control constants setpoints and configuration information shall be stored in write protected RAM The controlling of write protected RAM shall be an integral feature of the microcontroller allowing writes to the write protected memory only after a proper registration sequence The Programmable Controller shall contain a watchdog timer circuit that will reset the microcontroller within second of detecting a firmware failure To provide a means of checking data integrity the Programmable Controller shall compute a CRC 16 value on the contents of write protected RAM whenever the data is changed and store the CRC value in a reserved location of write protected RAM An ongoing self test process shall periodically recompute the CRC and check it against the stored CRC during
53. that allows full control of operation 4 user programmed macro keys with adjacent site specific label descriptions The full display model shall have at least the following attributes Continued on page 7 3409 52nd Ave Sacramento CA 95823 Phone 916 395 8800 Fax 916 429 2817 http www tescocontrols com Tesco Controls Inc Reduced Voltage Solid State Motor Control Center specification EEE Continued from page 6 360 Brite Lite LED annunciators with adjacent site specific label descriptions 8 character Brite Lite alphanumeric display of at least 0 5 inches high 4 keys to easily traverse a user friendly menu tree that allows full control of operation 32 keys for full front panel programming 4 user programmed macro keys with adjacent site specific label descriptions The operator interfaces and site specific nomenclature and labels shall be completely covered with a mylar overlay that is impervious to corrosive atmospheres and wash down environments Keyboard The keyboard construction shall be sealed membrane type using a stainless steel backing plate and shall be impervious to atmospheres containing Hydrogen Sulfide and Chlorine gases The keys shall provide tactile feedback Both keyboard options shall provide a menu based operator interface allowing the operator to perform at least these functions without process interruption Examine and change setpoints Examine analog input and output registers Examine and c
54. tion Continued from page 29 Examine and change setpoints Examine analog input and output registers Examine and change timers and counters Force digital outputs on and off Override analog inputs and outputs Change operating mode between Run and Standby PROGRAMMING SOFTWARE A free copy of the native language programming software shall be provided with each Programmable Controller purchased The software shall be produced provided and supported directly by the Programmable Controller manufacturer No third party tools are acceptable This software tool shall Execute on an industry standard IBM compatible PC Execute under Microsoft Windows NT and Windows 95 Windows NT 32 Bit Multi Threaded MDI Application Project Management capabilities Communicates over existing telemetry communications paths Real Time Polling and onscreen variable updates Perform upload and download of all tables needed to configure the Programmable Controller Provide a batch upload and download feature to transfer multiple selected tables Perform any program assembly disassembly functions and cross references required Open files and selected directory from last session and present these upon restarting program Provide context sensitive help Allow the user to change the operating mode run standby of the Programmable Controller Allow the user to read and set the Programmable Controller real time clock QuickLoad Software A fast and easy to use software
55. to manipulate analog inputs and analog outputs in terms of the raw 12 bit 0 4095 data corresponding directly to the analog to digital and digital to analog converters To provide engineering unit representation the Programmable Controller shall not require the use of any additional registers or require that a program statement formula or any expression be written to convert raw data to engineering units Telemetry communications shall use engineering unit representation in all messages CALIBRATION AND MULTI POINT CALIBRATION A simple menu driven procedure shall be provided that allows the operator to calibrate an analog input or output to an engineering unit measurement scale This procedure shall be usable from both the full and minimal keyboards The calibration information shall be uploadable downloadable via a communication port In calibrating an analog input output the Programmable Controller shall allow the operator to select points along the response curve of the input output device and assign them a corresponding engineering unit value The Programmable Controller shall allow the operator to use up to l6 calibration points in order to account for non linearities in the response of the attached input output device During the calibration process the Programmable Controller shall display the value of the actual signal on the input output in terms of milliamps or volts depending on how the input output is configured For an analog input th
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