X20083 - BM2R & BM3R Manual (2)_docx
Contents
1. A32466 RECOMMENDATION amp SAFETY REQUIREMENTS SUPPORTING DATASHEETS FOR PRODUCTS AND APPLICATIONS Other documents which may be appropriate for your applications are available on request CODE IDENTITY DESCRIPTION X10213 ITA Interaction Uses for phase angle and for burst fire control X10255 SRA Safety requirements Addressing the Low Voltage Directive LVD including Thermal data cooling Live parts warning Earth requirements and Fusing recommendations X10322 APC Application Circuits X10789 WAV Single or Dual Cycle Waveforms amp Harmonics Data NOTE It is recommended that installation and maintenance of this equipment should be carried out by suitably qualified personnel with reference to the current edition of the I E E Wiring Regulations BS7671 The regulations contain important requirements regarding the safety of electrical equipment 7 RoHS COMPLIANT Not for general waste Page 9 of 10 PRODUCT APPLICATION The BM2R amp BM3R offer Single Cycle Dual Cycle Rapid Burst Firing control where minimum fluctuation in heater element temperature is required This type of Rapid Burst Fire is useful if a system has a high impedance supply as a result of long power leads or if the system is powered by a generator set Normally this can result in the supply being subject to mains dips but this option minimises the Flicker effect on the mains supply Another benefit of using this type of control is that you2. Low Voltage Directive amp major international standards Page 2 of 10 TERMINALS amp CONNECTIONS 9 way terminal block reading from Lett Right 5V DC output 50mA max This supply used to feed 5VDC to the clockwise end of the manual control potentiometer or auxiliary circuit VE voltage control signal input ve control signal input from Temperature Controller or connect to wiper of a manual control potentiometer Ground OV VE voltage control VE control signal input from Temperature signal input Controller or connect to the counter clockwise end of the manual control potentiometer 4 VE Current signal input VE Current signal input 0 20mA or 4 20mA 5 Ground OV VE Current signal input 0 20mA or 4 20mA 6 INHIBIT CLOSE Contacts to DISABLE shut down controller INHIBIT OPEN Contacts to ENABLE the controller Common OV Line External VE 24VDC supply only required if supply to L1 and L2 are not being used 24V AC or DC input External VE 24VDC supply only required if supply to L1 and L2 are not being used Additional Connections HI LO High Low Jumper Link Select High or Low supply voltage range L1 amp L2 AC Supply input use any 2 phases or AC supply only required if 24V DC supply phase and Neutral to terminals 8 and 9 are not being used Timing reference inputs from K2 of Phase 1 and K2 of Phase 2 are taken from here G1 amp K1 G2 amp K2 Output connections to Thyristors P
3. avoid high Harmonic Distortion normally associated with phase angle control typically down to levels of below 4 Southport Business Park Wight Moss Way Southport PR8 4HQ Tel 44 0 1704 516500 Fax 44 0 1704 516501 Email sales united automation com Web www united automation com
4. X20083 ene BM2R amp BM3R Issue 2 User Manual united automation Itd Date 26 08 14 Page 1 of 10 KEY FEATURES e Standard DIN Rail Mounting e Selectable Single Cycle Dual Cycle or adjustable Std Burst Firing e On Board Indication of Power Burst Rates amp Fault conditions e Inhibit input e Wide Range of Control Options 0 5V 0 10V 1 5V 2 10V 0 20mA 4 20mA Manual Potentiometer e Onboard protection fuse e Isolated Pulse Transformer outputs INTRODUCTION The BM2R amp BMSR driver modules have been designed to offer burst fire control of thyristor controllers driving Resistive loads The Single Cycle amp Dual Cycle options offer the fastest burst rates possible providing very accurate control and minimising Harmonic distortion amp Flicker within the system In addition the standard variable burst rate adjustable from 1 to 30 seconds is also available Designed to be used in conjunction with a thyristor assembly or supplied on one of our complete thyristor controllers the BM2R amp BMSR offer a highly versatile and cost effective solution in a wide variety of applications The BM3R is commonly used in three phase applications with both 3 Wire and 4 Wire load configurations including Closed Delta Floating Star amp Star to Neutral where all three limbs are controlled fully controlled circuit The BM2R operating in Burst Fire mode is also commonly used in three phase 3 Wire load configurations
5. age 3 of 10 SWITCH SETTINGS SW1 Settings ON 1 UP OFF 0 DOWN SW1 6 way DIP switch Brown Switch ON VR1 Clockwise Dual cycle VRI Anti clockwise Single cycle Brown Switch OFF Variable Burst Rate set by VR1 TIME BASE 1 to 30 seconds Red Switch ON When this switch is ON it sets an offset of 20 this mode is used for control signals which do not start from 0 such as 1 5V 2 10V and 4 20mA Red Switch OFF In this position there is no offset this mode is used for control signals starting from 0 such as 0 5V 0 10V and 0 20mA Orange Switch ON The controller reads a current control signal at the terminal marked mA this mode is used for control signals such as 0 20mA and 4 20mA Orange Switch OFF The controller reads a voltage control signal at the terminal marked SIG this mode is used for voltage control signals such as 0 5V and 0 10V and the manual Potentiometer Yellow Switch ON The controller is set for a floating star load no Neutral 3 wire or closed delta configuration Yellow Switch OFF The controller is set for a star load with a Neutral connected 4 wire note in this position the Green switch must be switched OFF Green Switch ON The controller is set up to control 2 limbs L1 and L2 of a three phase load L3 is connected directly to the load Neutral must not be connected in this configuration Green Switch OFF The controller is set up to control all 3 limbs of a three phase load the star point maybe fl
6. grams show representations of voltage waveforms for Burst Fire Single Cycle amp Dual Cycle switching operation The heavily outlined portion of the sinusoidal train indicates when the thyristors are switched on and the lighter portion indicates when they are off The waveforms show zero voltage and thus current switch on and zero current switch off A more comprehensive set of waveforms and Harmonics information is available in a separate appendix document Ref X10789 Single cycle fast burst 50 setting 2 leg control Line 2 Line 3 Uncontrolled Line 1 s Dual cycle fast burst 50 setting 2 leg control usa wooing Os son ne bok ET 4 iOS 6 4 amp 29 Uncontrolled Ge a ee aa k y manmi mini Rama T Line 1 Single cycle fast burst 50 setting 3 leg control 3 wire load Mer CO DR slo tn Poo q N TFP LIER py K amp Single cycle fast burst 50 setting 3 leg control 4 wire load liwi lt S e a Aso Drag gi s Za Ayo EMC Standards Complies with the European EMC Directive for operation in an industrial environment The following standards have been applied in whole or in part in the design of this controller EN61010 1 EN61000 6 2 EN 50 081 part 2 Page 8 of 10 ORDER CODES ga i ahan BM3R 420 460VAC 50 Hz and 24V AC DC A32458 BM3R 480VAC 50Hz A32462 BM3R 380 500VAC 24V AC DC input A32465 BM2R 420 460VAC 50 Hz and 24V AC DC A32459 BM2R 480VAC 50Hz A32464 BM2R 380 500VAC 24V AC DC input
7. including Closed Delta amp Floating Star where only two limbs are controlled 2 3rds controlled circuit For ease of mounting amp for protection purposes the controller comes in a DIN Rail Enclosure TECHNICAL SPECIFICATION Std Supply Voltage Supply Frequency Auxiliary Supply Voltage Power Consumption Internal Fusing Protection Rating Operating Temp Range Input Signal Options Output Specification Output Isolation Std Burst Fire Cycle Time Rapid Burst Fire Cycle Time Yellow LED indicator Green LED indicator Red LED indicator Orange LED indicator Safety Standards 420 460 VAC selectable via LINK J1 other supply voltages available 50 60 Hz 24V AC DC 500mA minimum 7VA 1Amp 32mm fuse IP20 0 65 0 5VDC 0 10VDC 1 5VDC 2 10VDC 0 20mA 4 20mA Manual Potentiometer Pulse transformer picket fence 25kHz pulse output Initial pulse 500mA amp Sustaining pulses of 250mA 3 5 KV Minimum 1s to Maximum 30s variable Selectable via switch SW1 Single Cycle Dual Cycle variable time base selectable via switch SW1 see waveforms RS 485 comms indicator option when fitted Power ON indicating when 5 VDC is present LED ON continuously indicates phase loss between K2 phase 1 amp K2 phase 2 LED slow flashing indicates no current control signal 4 20mA LED fast flashing indicates incompatible 2 Leg control amp 4 Wire load selected Burst Rate indicator mimics the output burst rate Complies with European
8. ire Load configurations only two of three phases switched using BM2R or BM3R 8 2 3 CONTROLLED 2 3 CONTROLLED LINE 5 iy 2 LOAD LINE 2 Q n V A O Oo O LINES BURST FIRE ONLY 3 WIRE 3 PHASE HES BURST FIRE ONLY 3WIRE 3 PHASE TERMINAL CONNECTIONS Connections are made to the above terminals which will accept wires up to 1 5mm cross section The use of screened cable is not usually necessary for control signal wiring within a panel Normal precautions should be taken to keep signal wiring away from power cables in particular avoid running signal cables parallel to power cables in the same trunking See ITA datasheet for more information PHASE REFERENCE The phase references for the zero voltage detection circuit is taken from both of the K2 connections of PHASE 1 and PHASE 2 this phase reference is provided by the Cathode connections of the thyristor modules so the correct orientation of the thyristor modules is required see the schematic diagram If the line supply to either of these phases is not present the Red LED will be on continuously and the output drive will be inhibited until the supply to these phases is reinstated Page 6 of 10 DIMENSIONS 15 0 c9 FIXING Unit should be installed on TS35 DIN rail via DIN clip on base of control module WEIGHT BM3R module lt 500g Page 7 of 10 WAVEFORMS TYPICAL FOR SINGLE CYCLE amp DUAL CYCLE SWITCHING The following dia
9. oating or connected to Neutral Blue Switch ON The controller is set for 0 10V DC control signals Blue Switch OFF The controller is set for 0 5V DC control signals and manual control use a 5K Potentiometer Page 4 of 10 WIRING THYRISTOR CONNECTIONS Li LINE 10 L2 1 LINE 26 LINE 30 1 4 20mA 1 5V 2 10V SIGNAL 1 CURRENT SIGNAL O VOLTS SIGNAL 3 PHASE BURST FIRING CONTROLLER O 0 20m 0 51 0 10 SIGNAL bi oe 1 3 WIRE 0 4 WIRE NEUTRAL BM3R 1 SINGLE CYCLE 1 2LEG 0 3LEG CONTROL FLSE 14 0 VARIABLE BURST RATE 1 0 40V SIGNAL 0 0 5V SIGNAL A O BRS 435 5 DC OH united automation com FAULT SIGNAL OPTIONS NOTE USE EITHER D OR AC SUPPLY OP YOLTS CURRENT DC SUPPLY VOLTAGE TAP Ti oet BURST RATE SET wo teh V INH BIT CM 24 see R1 BURST RATE SETTING STANDARD MODE SIG OND mk CND NHBT GND soar SG GND m GND INHIBIT GND 24 USE ONE SUPPLY ONLY SV DC OUT 24V ACIDC OR MAINS SUPPLY amp 5K HE vE MAINS SUPPLY USE ANY TWO PHASES OR MANUAL DC VOLTAGE SIGNAL DC CURRENT SIGNAL PHASE AND NEUTRAL FOR 115 240V OPTION POTENTIOMETER M HIE Page 5 of 10 APPLICATION CIRCUITS Typical 3 Phase 3 Wire 4 Wire amp 6 Wire Load configurations all three phases switched using BM3R 4 WIRE 3 PHASE WITH STAR POINT TO NEUTRAL 3 WIRE 3 PHASE FLOATING STAR LOAD 6 WIRE 3 PHASE OPEN CELTA LOAD IS PHASE SENSITIVE 3 WIRE 3 PHASE CLOSED DELTA LOAD LINE 3 Typical 3 Phase 3 W
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