M-2501A Instruction Book 1.0 Introduction 24-Hour Fast Averaging Mode Capacitor banks supply VArs to the system. Histori- If the measured voltage is not exactly 120 V ac, the cally, some type of auxiliary parameter measuring control begins to slowly move the average voltage to- controls (for example, time controls, voltage controls, ward the measured voltage. It moves faster during the current controls, or temperature controls) are used. first 24-hour period following initialization than during When the required relationship is fixed and pre-defin- subsequent periods. This permits the unit to “settle in” able, the controls operate satisfactorily. However, if the more quickly. (Not active if voltage level is set.) factors and relationships change with circuit loading, circuit changes or operating conditions, the controls Voltage Averaging will not operate effectively. The M-2501A unit continually performs voltage aver- The Beckwith Electric M-2501A Autodaptive® Capaci- aging. Under normal operation, the time constraints tor Control is a unique solution to pole-top capacitor develop a long-term average (approximately 7 days). bank control requirements. Requiring only a voltage After power down or initialization, the time constraints input, the control optimizes capacitor bank switching allows for a faster (24 hour) startup averaging period. based, not only on measured voltage level, but also (Not active if voltage level is set.) on past voltage profiles. Sensitivity Adjustment The control records information such as changes in If the control operates less or more frequently than its voltage during a switch operation and also voltage fluc- norm for an extended time, it will adjust its sensitivity tuations during a 24-hour period. The unit has cus- (e.g., it adapts). If necessary, it will return to its 24- tomer settable voltage limits which maintain the op- hour fast averaging mode and to its initial timer sensi- eration of the device within a certain range of allow- tivity value (adapting its sensitivity). able voltages for operation, and an option to set the voltage level. Communication Validation Blinc means the exchange of data between the host 1.1 Principles of Operation computer for the M-2801 BlincIR® program and the M-2501A control. Blincing is accomplished by align- The Autodaptive Capacitor Control samples the local ing the infrared port of the palmtop, laptop or BecoEye® voltage at a rate of 240 samples per half-cycle. to the infrared port of the M-2501A, located at the bot- tom front of the control. If the exchange of data is suc- Initialization cessful, the host computer will respond with a one- Initialization of the unit causes the following major ac- second continuous tone (beep). If the transmission is tions to take place: a) opens the capacitor bank, b) unsuccessful, the host computer will issue two very sets the bandwidth to zero and c) sets the reference short, falling pitch tones. voltage to 120 V, d) sets the integrating timer, H´, to 800, e) sets the mode to automatic, f) places the con- trol in the 24-hour fast averaging mode, and g) closes the bank, establishing a bandwidth. Note: ACC to be plugged neutral To Voltage Source into socket as illustrated. line < Socket Front View < open To Capacitor Switch If desired: Install band to seal close unit and install meter seal. Figure 1 Meter Socket Wiring Diagram 1 Voltage Regulation Quality Factor (VRQF) Return. This will create a directory named This is the square root of a running recursive average C:/Becoware/blincir. of the sum of the square of the deviation of the funda- 3. Go to the File Manager. Select C:/Becow- mental component of controlled voltage from a desired are/blincir/blincir.exe to execute the pro- voltage using a recursion time of 6 hours. More simply gram. stated, it is an RMS calculation of voltage regulation error. Reduction of this VRQF value is indicative of Windows ’95 Mode more stable distribution circuit voltage control. 1. Insert BlincIR program’s 3-1/2 inch disk into A drive. 2.0 Installation of the Unit 2. Select Start, select Run and type A:/In- stall and press Return. This will create a The M-2501A is housed in a cylindrical Lexan™ meter directory named C:/Becoware/blincir. case 6-3/4 inches in diameter by 5 inches deep. The device weighs approximately 2.5 lbs. The control takes 3. Go to the Explorer. Select C:/Becoware/ a standard four-blade meter socket. blincir/blincir.exe to execute the program. The connections are described below. The four con- Palmtop Installation: tacts used in the meter socket are: (as noted clock- NOTE: If the M-2906 Hewlett-Packard 200LX Palmtop wise from upper left when facing socket). PC is purchased through Beckwith Electric, it comes Line voltage – 120V ac from the Capacitor Bank VT preloaded with the BlincIR software and it is not nec- for powering the control. essary to follow this installation procedure. Neutral – common return for the line input voltage CAUTION: M-2801 BlincIR software will not run un- and the switched outputs. der WindowsCE Palmtop. Close – switches 120 V ac to the “close” terminal of DOS Mode a motor or solenoid driven capacitor switch. Installation of BlincIR to the Palmtop requires HP Con- Open – switches 120 V ac to the “open” terminal of a nectivity Pack. motor or solenoid driven capacitor switch. 1. Install LapLink software according to The OPEN and CLOSE outputs use single pole relay Hewlett Packard instructions. contacts that make and carry up to 10 amperes total for a 15 second duration and 45 amperes total for a 2. Connect the Palmtop to the PC using the serial cable and instructions provided in 0.1 second duration. (Contacts closed for 15 seconds.) the HP Connectivity Pack. 3.0 Installation of M-2801 BlincIR® Communi- 3. Start the Palmtop’s built-in LapLink soft- cation and Analysis Software ware by typing C:\LLRA. This will allow the PC to view the Palmtop as drive E:. 4. Wait for a 4 tone sound (handshake sig- PC Installation nal) which indicates a communication link DOS Mode between Palmtop and PC. 1. Insert BlincIR program’s 3-1/2 inch disk 5. Install the Beckwith Electric 3.5” floppy disk into A: drive. into A: drive. 2. At C prompt, type A:/Install and press Re- 6. From the PC issue the command COPY turn. This will create a directory named A:*.*E:. This will copy all the Beckwith Elec- C:/Becoware/blincir. tric files over to the HP Palmtop. 3. Type C:/Becoware/blincir/blincir.exe and press Return. Windows™ Mode: 1. Install LapLink software according to Windows 3.1 Mode Hewlett Packard instructions. 1. Insert BlincIR program’s 3-1/2 inch disk 2. Connect the Palmtop to the PC using the into A drive. serial cable provided, according to instruc- tions provided in the HP Connectivity Pack. 2. From the Program Manager, select File, select Run and type A:/Install and press 2 M-2501A Instruction Book 3. Start the Palmtop’s built-in LapLink software • Optional M-2921 BecoEye Extension Cord. from the Program Manager. This will allow • Optional M-2922 BecoEye “Y” adapter cord. the PC to see the Palmtop as drive E: 4. Wait for the 4 tone sound (handshake sig- Required Information: nal) which indicates a communication link • location description for inputting identifi- between the Palmtop and PC. cation; 5. Insert Beckwith Electric 3.5” floppy disk • desired customer limit settings; into drive A: • instructions if resettable counter to be re- 6. Use the File Manager to copy files from set. A: to E: 3.2 Using Hewlett-Packard 200LX Palmtop Flash Memory Card and M-2801 BlincIR Communication and 1. Insert flash card into HP Palmtop and press Analysis Software (Filer) key. 2. Select A: drive and highlight sinstall.exe, NOTE: The BlincIR program should already be in- then press enter key. stalled on the HP 200LX palmtop if the palmtop was 3. When screen asks you to reboot, press purchased through Beckwith Electric. yes. Wait for title screen. 1. Install the ACC into the meter socket. See 4. Press the (Filer) key and then select A: Figure 1 (page 1), Meter Socket Wiring drive; select directory A:\BLINCIR. Diagram. 5. Highlight install.bat and press enter key. 2. Run the BlincIR program on the palmtop. Follow prompt and press any key. 3. Blinc the ACC by aligning the palmtop’s 7. Hold down Alt-Ctrl-Del. infrared port to the ACC’s infrared port at 8. The BlincIR® program should now show. a distance of up to 1.5 feet. The IR port is located on the bottom front of the control. Note: If you do not have access to a PC, a flash Press F10 on the palmtop for the Blinc. memory card with BlincIR pre-installed may be pur- The palmtop sounds a “beep” to verify the chased from Beckwith Electric. Blinc. 4. If this is the first Blinc for this ACC, input 3.1 Checkout the location description in the Location field of the List Screen as prompted. NOTE: The ACC is preprogrammed for operation; it 5. Verify that the Serial # and Location fields is not necessary to perform the checkout procedure of the List Screen are accurate. before installation. 6. Press F9 for the Data Screen and check Necessary Equipment: the Present Voltage and Count of Opera- • ACC Autodaptive® Capacitor Control; tions. • M-2906 Hewlett-Packard 200LX Palmtop 7. Initialize the ACC for this location as fol- PC with M-2801 BlincIR Communication lows: and Analysis Software installed • Press F3 for the Operation Screen OR • Use the arrow keys to select • M-2920A BecoEye® Infrared Communica- Initialize.