BASI BDC94 User Manual

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Firmware: v.8.08 or higher

•

Input type: pulse, quadrature

•

Batching function

•

Read the user's manual carefully before starting to use the unit or software.

Producer reserves the right to implement changes without prior notice.

2018.12.20

User manual

COUNTER

BDC94

Assisting the automation

industry since 1981

BDC94_INSSXEN_v.2.06.001

Table of Contents

Summary of Contents for BASI BDC94

Page 1 Assisting the automation industry since 1981 User manual COUNTER BDC94 Firmware: v.8.08 or higher • Input type: pulse, quadrature • Batching function • Read the user's manual carefully before starting to use the unit or software. Producer reserves the right to implement changes without prior notice.
Page 2: Table Of Contents
User manual - COUNTER BDC94 CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY..................3 2. GENERAL CHARACTERISTICS........................4 3. TECHNICAL DATA............................4 4. DEVICE INSTALLATION..........................6 4.1. UNPACKING............................6 4.2. ASSEMBLY............................6 4.3. CONNECTION METHOD........................8 4.4. MAINTENANCE..........................13 5. FRONT PANEL DESCRIPTION........................14 6. PRINCIPLE OF OPERATION........................14 6.1. MEASUREMENT MODE........................15...
Page 3: Basic Requirements And User Safety
User manual - COUNTER BDC94 Explanation of symbols used in the manual: - This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction.
Page 4: General Characteristics
Counter type BDC94 is equipped with independent clearing input. The device can be equipped with two or four relay (or OC type) outputs with independent thresholds, which can be used to control external devices.
Page 5 User manual - COUNTER BDC94 Input levels low level: 0V ÷ 1V high level: 10V ÷ 30V Max. input frequency electronic - standard counter: 10 kHz electronic - quadrature counter: 5 kHz contact: 90 Hz (adjustable filter) Display range -99999 ÷ 999999, plus decimal point...
Page 6: Device Installation
User manual - COUNTER BDC94 according to: PN-EN 61326-1 This equipment is not intended for use in residential environments and may not provide adequate protection to radio reception in such environments. 4. DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment.
Page 7 User manual - COUNTER BDC94 mounting hole inserting it from the front side of the panel, and then fix it using the brackets (Figure 4.3). The minimum distances between the centre points of multiple units - due to the thermal and mechanical conditions of operation - are 115 mm x 67mm (Figure 4.4).
Page 8: Connection Method
User manual - COUNTER BDC94 92 mm 5 mm 12 mm 10 mm Figure 4.3. Installing of brackets, and dimensions of connectors. 115 mm Figure 4.4. Minimum distances when assembly of a number of units 4.3. CONNECTION METHOD Caution - Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered.
Page 9 User manual - COUNTER BDC94 - Wiring must meet appropriate standards and local regulations and laws. - In order to secure against accidental short circuit the connection cables must be terminated with appropriate insulated cable tips. - Tighten the clamping screws. The recommended tightening torque is 0.5 Nm.
Page 10 User manual - COUNTER BDC94 Connections of power supply voltage and measurement signals are executed using the screw connections on the back of the unit’s housing. 6-7 mm Figure 4.5. Method of cable insulation replacing and cable terminals All connections must be made while power supply is disconnected !
Page 11 User manual - COUNTER BDC94 RS - 485 Power +24V +5%, -10% supply (optional) max = 100mA DATA+ (depending on version) DATA- 5 6 7 8 9 10 11 12 13 14 15 D COM (optional) OC1 ÷ OC4: U...
Page 12 User manual - COUNTER BDC94 Figure 4.9. Examples of suppression circuit connection: a) to relay terminals; b) to the inductive load 10 11 10 11 Logic controller LED 10 mA voltage input 24 V Figure 4.10. Example of OC-type outputs connection Construction of counter's inputs allows connecting of pulser with common earth (Figure 4.11 a)
Page 13: Maintenance
User manual - COUNTER BDC94 5 6 7 8 9 5 6 7 8 9 STOP STOP RESET RESET Pulsers Pulsers Figure 4.11. An example of pulser connection: a) with common earth, b) with common plus. 4.4. MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user.
Page 14: Front Panel Description
User manual - COUNTER BDC94 5. FRONT PANEL DESCRIPTION Thresholds exceeding LED indicators (R) LED F - inactive display programming pushbuttons ENTER RESET MENU Symbols and functions of push-buttons: Symbol used in the manual: [ESC/MENU] Functions: MENU • Enter to main menu ( press and hold by at least 2 sec.) •...
Page 15: Measurement Mode
User manual - COUNTER BDC94 6.1. MEASUREMENT MODE In the counting mode (normal mode), the device counts pulses “delivered” to counting inputs A and B (Figure 6.1) depends on selected function. There are available four functions: b”), subtraction of pulses from A and B addition of pulses from A and B inputs (“Funct”=”A...
Page 16: Batcher Function
6.2. BATCHER FUNCTION To use counter BDC94 as a batcher, proper connection to controlled circuit must be done (e.g. valves and flow detector) and parameter “A oFFS” must be set to “on” option (see description of ”SECu”...
Page 17 User manual - COUNTER BDC94 Allowable connection methods and counter configurations are showed in table 6.1. used ”Funct” “Pr inP” state of counting input parameter parameter ”C” input ”A - B” ”dirEct” no active ”A - B” other than ”dirEct”...
Page 18: Autoprescaler
User manual - COUNTER BDC94 5 6 7 8 9 10 11 12 13 14 15 n.c. n.c. START pouring Supply 24V DC Flow detector Main valve Additional Controlled system valve Figure 6.3. Proposed circuit diagram 6.3. AUTOPRESCALER This feature allows easy setting of counter prescaler ( “muL” , “div” and ”Point” ) desired number of pulses per unit and displayed value together with decimal point position.
Page 19: The Digital Filter
User manual - COUNTER BDC94 Next step is selection of decimal point position (parameter ”Point” ). Counter displays ”SetPnt” message and waits for acknowledge. Press [ENTER] and select point position. Approve it pressing [ENTER] again. After whole procedure entered values are stored into configuration memory, and value of OFFSET parameter is cleared.
Page 20: Control Of The Relay Outputs
User manual - COUNTER BDC94 Moments of pulses counting oscillations Moments of pulses counting Figure 6.4. The traces of signals: a) without contacts oscillations, b) with contacts oscillations 6.5. CONTROL OF THE RELAY OUTPUTS The control of the object (measured signal) is realized via relay outputs. Front panel LEDs named „R”...
Page 21 User manual - COUNTER BDC94 current counter “SEtP” parameter displayed result value (threshold value) time relay state (modE = on closed timE = 0) open time relay state (modE = oFF timE = 0) open closed time relay state (modE = on closed timE >...
Page 22 User manual - COUNTER BDC94 Maximum delay between the moment when result reaches the particular threshold and switching on the relay output equals 15ms for OC type output and 20ms for electromechanical relays. If AUTORESET function is active, and counter changes its value with high speed,...
Page 23: Device Programming
User manual - COUNTER BDC94 7. DEVICE PROGRAMMING The device menu allow user to set all parameters connected to operation of measurement input, control modes, critical situations behaviour, communication via RS-485 and access settings. The meaning of the particular parameters is described in paragraph MENU DESCRIPTION.
Page 24: Parameters Edition
User manual - COUNTER BDC94 Functions of the buttons while sub-menu and parameters choice: Selection of sub-menu or parameter for editing. Name of selected item (sub- menu or parameter) is displayed. Operation of [ENTER] button depend on present menu position: ENTER •...
Page 25: Switch Parameters ("List" Type)
User manual - COUNTER BDC94 Press [ENTER] at least 2 seconds to accept the changes, after that question ”Set?” is displayed, and user must to confirm (or cancel) the changes. To conform changes (and story it in EEPROM) press [ENTER] button shortly after ”SEt?” is displayed. To cancel the changes press [ESC] button shortly after ”SEt?”...
Page 26: Relay" Menu
User manual - COUNTER BDC94 7.3.1. “rELAy” menu This menu allows to configure the operation mode of relays and LEDs marked „ R ” (e.g. „R1”). If there are few relay outputs available, then every output has its own configuration menu (e.g.
Page 27: Funct" Parameter
User manual - COUNTER BDC94 “rEF” - reference point (offset) of relay threshold. Available values: “Std” - use 0 value as reference point (offset) “rELPr1” - use threshold of the relay R1 as reference point (offset) This parameter is not available for relay R1. If rELPr1 option is set, then relay threshold is modified by relay R1 threshold (“SEtP 1”...
Page 28: Areset" Parameter
User manual - COUNTER BDC94 long as the signal on input { D } is active. To made correct zeroing, input signal { D } must be active at least by 1 ms. In this mode manual reset is disabled.
Page 29: Presca" Menu
User manual - COUNTER BDC94 7.3.8. ”PrESCA” menu This menu contains parameter which configure the prescalling parameters (recalculations of counted pulses). This menu allows the user to set individual prescalers, and to scale the counter in desired units. If ”PArUPd” option is set to ”on rES” mode, then change of parameters ”muL” , ”div”, ”oFFSEt”, ”Point”...
Page 30: Rs-485" Menu
User manual - COUNTER BDC94 7.3.9. ”rS-485” menu This menu is connected with RS-485 interface, and sets his properties: ”Addr” - this parameter defines the address of the device, accordingly to Modbus protocol. It can be set in range from 0 to 199. If the value 0 is set then device, responds to frames with address 255 (FFh).
Page 31: Secu" Menu
User manual - COUNTER BDC94 7.3.10. ”SECu” menu This menu contains presets connected with availability of other parameters: “SEtCod” - user password (4-digits number). If this parameter is set at value “0000” , user password is turned off. If the user do not remember his password, the access to the menu is possible by the “one-use password”.
Page 32 User manual - COUNTER BDC94 Number of accessible parameters for viewing/edition depends on device version. Counting mode ENTER edition of threshold MENU Value of rELPr1 value (if allowed) threshold 1 MENU ENTER edition of threshold MENU Value of rELPr2 value (if allowed)
Page 33: Bright" Parameter
User manual - COUNTER BDC94 Counting mode ENTER MENU edition of oFFSEt offset value offset MENU rELPr1 Figure 7.2. Operation of „quick view” while „A oFFS” = „on” 7.3.11. ”briGHt” parameter This parameter allows user to set bright of the LED display, bright can be set to conventional values from 1 to 8.
Page 34: Menu Structure
User manual - COUNTER BDC94 7.4. MENU STRUCTURE Measurement mode Press and hold at least 2 seconds MENU MENU 4-digit user password entering (if it is different from „0000”) Cd _ _ _ _ ENTER ENTER ENTER Parameter MENU rELAy1 SEtP 1...
Page 35 User manual - COUNTER BDC94 See previous page ENTER ENTER Parameter MENU Addr rS-485 edition ENTER MENU bAud mbAccE MENU mbtimE rESP ENTER ENTER Parameter MENU SECu SEtCod edition ENTER MENU MENU A rEL1 A rEL2 ENTER Parameter MENU A rEL3...
Page 36: Examples Of Prescaler Parameters Calculation
User manual - COUNTER BDC94 8. EXAMPLES OF PRESCALER PARAMETERS CALCULATION Problem: to measure length of the line with assumed precision. Essential data: - number of pulses per revolution given by sensor - circumference of measurement circle - assumed measurement unit and resolution (mm, cm, dm, m).
Page 37: The Modbus Protocol Handling
User manual - COUNTER BDC94 “oFFsEt” should be changed, To change desired quantity of water parameter so it is displayed first in „quick view” mode. Pouring starts after pressing of external button [ START pouring ] (Figure 6.3). Principle of operation of batcher function from example 3 After press of [START pouring] button (Figure 6.3) offset value is showed on the...
Page 38 User manual - COUNTER BDC94 Register Write Range Register description State of precounter - this is internal modulo N counter, where N = see descr. “div”, overfill of this counter causes incrementation/decrementation of main counter. see descr. State of precounter (low word) see descr.
Page 39 User manual - COUNTER BDC94 Register Write Range Register description “muL” in “PrESCA” menu (main counter multiplier, high word); see descr. counter always shows main counter value recalculated by prescaler coefficients “muL” in “PrESCA” menu (main counter multiplier, low word);...
Page 40 User manual - COUNTER BDC94 Register Write Range Register description “timE 1” parameter in “rELAy 1” menu (the time period of the relay 0÷999 active state), expressed in tenth of seconds or tenth of minutes (depending on “unit” parameter); “unit 1” parameter in “rELAy 1” menu: 0 ÷...
Page 41: Transmission Errors Description
User manual - COUNTER BDC94 - if overflow or underflow occurs (“-Hi-” or “-Lo-”), read of registers 01h and 02h (single registers) it returns recalculated number of pulses ( while the overload of display quantity is very big this value can be erroneous).
Page 42 User manual - COUNTER BDC94 The answer: ADDR FUNC BYTE C DATA H,L CRC L,H DATA - identification code (20C0h) 2. Change of the device address from 1 to 2 (write to reg. 20h) ADDR FUNC REG H,L DATA H,L...
Page 43 User manual - COUNTER BDC94 5. Read of the displayed value (high and low word), ADDR FUNC REG H,L COUNT H,L CRC L,H Response, while normal operation (no errors): ADDR FUNC BYTE C DATA H1,L1 DATA H2,L2 CRC L,H DATA - 00000057h = 87, displayed value = 87 6.
Page 44: Default And User's Settings List
User manual - COUNTER BDC94 10. DEFAULT AND USER'S SETTINGS LIST Desc. Parameter Description Default value User's value page Parameters of relay R1 operation (“rELAy1” menu) SEtP 1 Relay threshold modE 1 Operation mode of relay timE 1 The time period of the relay active state unit 1 Unit of “timE”...
Page 45 User manual - COUNTER BDC94 Desc. Parameter Description Default value User's value page multiplier divider Offset - constant value added to the result to move oFFSEt the zero point of the current scale Point Decimal point position 0.00 RS 485 interface configuration (“rS-485” menu)
Page 46 User manual - COUNTER BDC94...
Page 47 User manual - COUNTER BDC94...
Page 48 BASI Instrument AB Stora Frenningevägen 118 SE.275 68 Vollsö, Sweden tel.(+46 40) 88009 http://www.basi.se e-mail: sales@basi.se...