User Manual
Contents
1. UP DOWN 4 20 sw2123 4 5 6 524 0 LOGIC 5 05V 0V LIMIT Qov YELLOW YELLOW VE VE J1 LINK REVERSES PULSE TRANSFORMER OUTPUTS ON ANALOGUE CONTROL OFF DIGITAL CONTROL LOGIC INPUTS 1 ON CURRENT LIMIT ENABLED OFF CURRENT LIMIT DISABLED L2 INDICATES CURRENT LIMIT L3 OUTPUT INDICATES OUTPUT LEVEL ON INDUCTIVE LOAD P20170 OFF RESISTIVE LOAD ISSUE2 LATCHING OVER CURRENT TRIP CLOCKWISE MAXIMUM CURRENT O ET SDG SUPPLY ON SET CURRENT LEVEL CW MAX CURRENT B Y R OUTPUT ROTATION OFF R Y B OUTPUT ROTATION LOGIC RAMP RATE AND SOFT START CLOCKWISE TO INCREASE RAMP SPEED ON SOFT START A OR B ENABLED 1 30 SECONDS swi OFF HARD START A OR B ENABLED TIMING DELAY 12 PULSE STANDARD TIMING ON USE ANALOGUE INPUTS OFF USE LOGIC INPUTS lt lt PRETIGI B UP DOWN C 4 20 SW2 123456 goog O EVDO LOGG 97 OSV 420 LIMIT 1 1 L2 SW1 SELECTS CONTROL OPTIONS SW1 IN ANALOGUE POSITION SW2 POSITION NO 1 M 420MA SIGNAL OPTIONS SHUNT 2 REFERENCE PHASES NOMINALLY 415V AC OBO 5 24V LOGIC _5 0 5 0 LIMIT 1 2 LOGIC CONTROL LOCAL SIGNAL LINK 0 5V WHEN USING IN LOGIC MODE SW1 MUST BE IN LOGIC POSITION REFERENCE PHASES NOMINALLY 415V AC moos mooz2. VERA UP DOWN 502 123 456 5 24 1 5 05 TA LIMIT L1 ssvac L2 LOGIC MODE USING EXTERNAL SUPPLY LINK 0 5V TO 5V WHEN USING IN LOGIC MODE SW1 MUST BE IN LOGIC POSITION REFERENCE PHASES NOMINAL 415V AC mooz mroz moog 25 vara 5 24V DC INPUTS Twelve Pulse Connections TWELVE PULSE CONNECTIONS PRIMARY INTER PHASE TRANSFORMER SECONDARIES YELLOW YELLOW BLUE VE WE VE FC36M AUXILARY FIRING BOARD 401 F l MPIV MBIVU A Pad a REVERSES OUTPUTS_2 CL 51 UNITED AUTOMATION LTD SILZ u Ics INPUT SIG ANALOGUE 2 202 Zopo 5 24V DC LOGIC 5V 0 5 OV mA LIMIT TP20 ou 2 Fia LiawaclL2 1 PRODUCT CODE A34411 SLIOA HOIH RECOMMENDATION Other documents available on request which may be appropriate for your applications CODE IDENTITY DESCRIPTION X10229 RFI Filtering recommendation addressing EMC directive X10213 ITA Interaction uses for phase angle and for burst fire control X10255
3. Thyristor Trigger Modules Electronic Assemblies Solar Heating Automatic Control Systems Solid State Relays Digital Energy Modules Fuses Filters Single and 3 Phase Annealing Built to ISO 9002 and EMC quality Standards our extensive range of power controllers and spares are probably the most competitively priced on the market and are available directly from our considerable stock resources Our next day delivery service also ensures that we can solve your power control problems as they occur Whilst standard designs are available to our customers we also work in close conjunction with them to develop customised products to suit their needs exactly UAL Product Applications Heaters Ovens Stress Relieving Lighting Equipment Power Supplies Furnaces Vats Trace Heating Vibrators Dryers Extruders Smelting Plating Electromagnets Voltage Controlled Motors Pipe Heating Process Heating Vending Machines Space Heating Lamp Loads Blenders Mixers Pumps Quartz Lamps Fans We are extremely proud of and strongly defend our reputation of having one of the best and fastest response rates to customers specific requirements Our only priority is to keep you our customer satisfied Our job is not just to solve your power control problems but to serve you until you are totally satisfied Our total service concept ensures that our customer service staff are always available to help you in a courteous and prof
4. circuit 800 mA Half and Fully controlled Rectifiers into 1 Ohm and sustaining pulses 400mA into 1 Ohm R AC Motor Control per output The sustaining pulses are 20 uS Wide DC Motor Control e High output initial triggering pulses Soft Starters e Gate isolation to 3500 V rms Hester Conall e Adjustable Soft start and soft start times i induction Gener tor e Selectable hard start and hard stop i e 50 60 Hz operation auto selection AC Voltage Regulation e Remote Logic input for control in noisy environment 5 Three Phase Transformer Control 24 V de e Two analogue control inputs 0 5 V dc and 4 20mA e Current control input 0 100 mV e Over current limit trip Latching e Adjustable ramp control 0 30 seconds e Pre selectable or automatic Phase Angle to Burst Fire control Additional Firing boards can be configured to trigger paralleled SCR s for very high current applications or to provide a twelve pulse driver for smooth DC control Key Features e Switchable Phase reversal Thyristors require a high initial gate current pulse Selectable Inductive or Resistive load setting and comparatively wide sustaining pulses to ensure Selectable timing delay for use as a twelve pulse driver reliable firing particularly at small phase control High immunity to mains voltage distortions angles The FC36M provides the following firing Complete with integral phasing and supply transformer specifications OPERATING INSTRUCT
5. DES Selection by input enable or auto CONTROL SIGNAL ANALOGUE Voltage signal into 10K ohms Current signal into 240 ohms CONTROL SIGNAL LOGIC Opto isolated inputs SOFT START Adjustable range from power up CURRENT LIMIT Controlled limit or over current trip LOAD OPTIONS Selection by switch SW2 TEMPERATURE LIMITS Operating range C Storage C MECHANICAL DIMENSIONS Length mm x Width mm x Height mm Fixing Centres mm FUSING It is recommended to use semiconductor fast Semiconductors MCB for unit protection 380 415 V ac 50 60 Hz 20 V ac 50 60 Hz 4000V rms 300 mA 1A 0 5A 15V 8V 1 22uS 25 Khz Burst Fire and Phase Angle 0 5 Vdc 4 20mA 5 25 V de 0 30 seconds 0 100mV Resistive or Inductive 0 65 C 20 to 85 C 160 x 100 x 36 150 x 62 acting type fuses or circuit breakers On initial switch on some loads may need an increased Factor of Safety F of S for unit and or device protection See SRA Datasheet for further information Thyristor Connections YELLOW VE n MALU wmonarpro YELLOW BLUE VE VE WARNING POTENTIAL HIGH VOLTAGE ON OUTPUTS J1 LINK REVERSES PULSE TRANSFORMER OUTPUTS P20170 ISSUE2 Ou SVDC SUPPLY ON 1 30 SECONDS sw ON USE ANALOGUE INPUTS OFF USE LOGIC INPUTS SW1 SELECTS CONTROL OPTION 4 ee a
6. IONS APPLICATIONS The firing circuit responds to voltage or milliamp current signals to produce six 60 spaced high current thyristor gate pulses Additional boards can be configured for high current parallel gating of additional thyristors and for twelve pulse converters rectifiers CONNECTIONS The Gate and Cathode outputs have 6 3mm blade terminals All other connections are made with captive screw and leaf terminal blocks 0 25mm header connections are provided to connect firing boards for paralleled thyristor drive or 12 pulse configuration Note J1 Jumper reverses pulse transformer outputs LED INDICATION Three LED s are used for status and fault indication The LED1 green is situated in the centre of the board and illuminates when the 5 volts de supply is present When SW2 position No 2 is ON LED 2 red will illuminate when the LIMIT input has reached the level set by I SET LED 2 and LED 3 orange will alternately flash on a 1 second timebase when the LIMIT input exceeded the value set by VR1 I TRIP The FC36M will shut down and will stay latched in this statue until the microprocessor is powered down or reset Under normal conditions LED 3 is used to indicate the output status In phase Angle mode when the control signal is increased so does the brightness of LED 3 In Burst Fire mode LED 3 will pulse on a one second timebase with a variable mark space on off ratio determined by the control signal ANALOGUE CONTR
7. No 3 on DIL switch No 2 in the OFF position the firing circuit configured to control resistive and some slightly inductive loads When the switch is in the ON position the firing circuit should be used on inductive transformer and coil type loads Current Limit The current limit input is designed to operate from 0 100mV input connected between terminals marked LIMIT input and OV This 100mV signal is amplified by IC7 and gives approximately 4 volts dc at pin 1 This voltage is fed into the microprocessor ICS and compared with the voltage set by VR2 I SET which can be measured on pin 5 IC5 When the voltage on pin 1 IC7 is greater than the voltage on pin 5 ICS the controller will start to ramp down until the current reaches the I SET level Current Trip The current trip input is designed to operate from 0 100mV input connected between terminals marked 5 LIMIT input and This 100 signal is amplified by IC7 and gives approximately 4 volts dc at pin 1 This voltage is fed into the microprocessor IC5 and compared with the voltage set by VR1 I TRIP which can be measured on pin 7 IC5 When the voltage on pin IC7 is greater than the voltage on pin 7 ICS the controller will shut down immediately and will stay latched in this state until the microprocessor is powered down or reset The voltage on pin 7 IC5 is normally set to 4 8 volts to allow for a 120 maximum current level Table A Switch No 2 Function Select
8. OL INPUTS For the following analogue control options the 6 way DIL switch SW2 should have position No 1 switched to the ON position For additional control options see table A on page 6 of this manual 3 Manual Control The FC36M firing circuit has 0 to 5V dc output that can be used to supply the clockwise end of a 5K ohm potentiometer The wiper is connected to the terminal marked 0 5 and the counterclockwise end to OV Voltage control For control using a remote 0 5V signal requires the positive input to be connected to the terminal marked 0 5V and the negative input to be connected to OV The input impedance is 10K ohms Current control For current control connect a 4 20 mA dc signal between terminals marked 4 20 mA and OV This input can also be used as 1 5V dc input The input impedance is 240 ohms Phase Angle control Option 1 the switch marked SW1 can be switched to the analogue position This position connects terminals A with 5V and C with OV Option 2 see Soft Starting the switch marked SW1 can be switched to the OFF position The OFF position isolates the inputs and disconnects terminals A from 5V and C from OV Inputs A and C then require an external supply between 5 and 24 volts Burst Firing control The switch marked SW1 should be switched OFF position and the terminal marked B should be linked to 5V and terminal C linked to Link terminals marked 5V and 0 5V Phase Angle to Burst Firing cont
9. SRA Safety requirements addressing the Low Voltage Directive LVD including Thermal data cooling Live parts warning amp Earth requirements Fusing recommendations X10378 ILR Inductive loads remedies sheet for use with Phase angle controllers AP02 4 COS UAL Conditions of sale NOTE It is recommended that installation and maintenance of this equipment should be done with reference to the current edition of the I E E Wiring Regulations BS7671 by suitably qualified trained personnel The regulations contain important requirements regarding safety of electrical equipment For International Standards refer to I E C Directive I E C 950 EXILE HAC Poe United Automation Ltd Putting You in Control The FC36M is just one of many quality reliable and cost effective power control products that UAL offer UAL Product Portfolio Power Supplies to Specification Automatic Control Systems for Heating Ventilation and Air Conditioning Systems Thyristor or Operated Systems Electronic Controls for Heating Systems Thyristor Phase Control Products Microprocessor based Water Heating Controllers Command amp Control Systems Modular High Voltage Power Supplies Electronic Temperature Controllers Automatic Control Systems for Controlled Atmosphere Furnaces Automation Control Systems for Glass and Ceramics Manufacturing Solid State Power Supplies for Electroplating Triacs Semiconductor Controlled Rectifier Stacks
10. Three Phase Firing Board Model FC36M RT Trees Sst Pes e eee eee i st F iy Sp a eT TIF 0 a amp ee Er User Manual X10283 Issue 4 29 06 00 Three Phase Firing Board Model FC36M This manual should familiarise the user with the relevant features and specifications of the FC36M firing board and incorporates a simple checkout procedure with typical connection diagrams General information The FC36M is a microprocessor version of the industry standard FC36A originally developed in the 1980 s It is smaller in size than it s predecessor with reduced component count which increases its reliability It also has more options available with the selections on a six way DIL switch making it much more versatile and economical It also has an integral supply and timing transformer which is used as a Phase reference The FC36M is a general purpose Phase Angle and Burst Firing circuit designed to be used in a variety of two or three phase 50 60 Hz applications It can also be used as a Three single phases to Neutral controller It is easily configured by the user to optimise its performance which is achieved primarily by the use of DIL switches To make a complete three phase controller the FC36M requires power devices protection fuses and a suitable heatsink It can be used for driving three phase t
11. ed Brown Analogue input 0 5 Vdc and 4 20 mA and SW1 in On position Position 1 Logic inputs A Phase Angle B Burst Fire U Up D Down Red Limit input 0 100 mV Current Limit Set by VR2 Position 2 Limit input off Orange Inductive load timing Position 3 Resistive load timing Yellow Reverse phasing Blue O P1 Yellow O P2 Red O P3 Position 4 Normal phasing Red O P1 Yellow O P2 Blue O P3 Green Soft stop and start when DOWN input is enabled or disabled Position 5 Hard start and stop when inputs A or B are enabled or disabled Blue Timing for 12 pulse operation using additional FC36M Position 6 Standard timing position Power connections AS SHOWN ON STRCK GATA SHEET 5 4 WIRE 3 PHASE WITH STAR POINT TO NEUTRAL NOTE FLOATING STAR LOAD WHEN NEUTRAL NOT USED 6 3 WIRE 3 PHRSE CLOSED DELTA LOAD 7 6 WIRE 3 PHASE OPEN DELTA LOAD 10 PHASE CONTROLLED OC 3 ue TECHNICAL SPECIFICATION Supply Primary supply voltage using Integral transformer Secondary voltage Isolation voltage CURRENT CONSUMPTION Full condition GATE PULSES Initial short circuit gate current Sustaining short circuit gate current Initial pulse voltage open circuit Sustaining pulse voltage open circuit Initial gate pulse rate of rise A uS Pulse width 50 60 Hz Pulse train frequency OPERATION MO
12. essional manner No matter how large the company is or the size of the order you can be assured that we will give it our undivided attention UNTED AUTOMATON 1 Southport Business Park Kew Southport PR8 4HQ Tel 01704 516500 Fax 01704 516501 Enquiry united automation com
13. etween 5 and 24volts dc To Increase output power The terminal marked UP requires a 5 to 24 volts supply Terminal is 0 volts The output power will increase at a rate determined by the ramp setting on VR3 0 30 seconds The output will reach its maximum when the ramp time has elapsed If the UP signal is terminated during the ramp time the output will remain at that level for example if ramp time is 10 seconds UP signal is on for 5 seconds power output will ramp up to 50 To decrease output power The terminal marked DOWN and C require a 5 to 24 volt dc supply Terminal is 0 volts The output power will decrease at a rate determined by the ramp setting of VR3 The output will decrease to zero should the DOWN signal be maintained If the DOWN signal is interrupted before the ramp down time has elapsed the output will stay at that level Proportional control can be achieved with an on off signal This arrangement is particularly useful for temperature controllers relay switching and PC based process controllers Burst Fire control The switch marked SW1 should be switched to the OFF position and the terminal marked should be linked to 5V and common linked to the Ov terminal Link terminals marked 5 and 0 5V For remote Burst Firing control a 5 to 24 signal should be connected between and is volts but is not internally connected to the OV indicated on the pcb Inductive or Resistive loads With switch
14. puts are enabled or disabled and SW2 position No 5 is in the OFF state the firing circuit will immediately turn on and off LOGIC CONTROL INPUT The logic control inputs are optically isolated and are ideally utilised for remote control in electrically noisy environments The logic inputs A B UP and DOWN are activated by a 5 to 24 V dc signal with the respect to terminal C which is 0 volts Terminal and OV are not connected together when SW1 is in the OFF position The logic input can also be activated by the 5V dc output from the FC36M via relay switching Terminal C and OV should also be connected together For the following logic control options the 6 way DIL switch SW2 should have position No 1 switched to the OFF position For additional control options see table A Logic control Maximum power output levels are set by the input voltage at the terminal marked 0 5V With for example 4 volts on this input the output will be limited to a maximum of 80 Link the 0 5V input to 5V output terminal for 0 100 control range Phase Angle control Option 1 the switch marked SW1 can be switched to the ON position which utilises the internal 5 volts supply This ON position simply connects terminals A with 5V and C with OV Option 2 the switch marked SW1 be switched to the LOGIC or OFF position The position isolates the inputs and disconnects terminals A from 5V and C from OV Inputs A and C then require external supply b
15. ransformer primaries in either star delta or phase to neutral configurations and can also be configured to control either three phase half or fully controlled thyristor bridges It may be used on resistive loads phase to phase or phase to neutral using burst fire or phase angle or a combination of both firing modes Its analogue signal inputs can be used in conjunction with each other to set two different output levels The logic opto coupled inputs allow for remote control in electrically noisy environments There are two current set points the lower one is used for current control and the upper limit when tripped will cause the unit to latch in the off state The firing circuit is based around the PIC16C74 Microprocessor generating six controlled thyristor gate pulses nominally displaced by 60 It can be controlled by either 0 to Sv or 4 20mA analogue signals or remote 5 to 24 volts DC logic signals The logic inputs also provide remote soft start soft stop and switching from Phase Angle to Burst Fire either manual or automatically Its compact size 160mm wide 100mm high and 40mm deep allows OEM s to easily incorporate the FC36M into their product design and end users can update existing equipment very quickly with little development costs It can also be supplied with DIN rail mounting enclosure Application e Gate Drive Picket Fence with a PRF of 25Khz Power Supplies an initial firing pulse of 8 volts open
16. rol The switch marked SW1 should be switched to the analogue ON position and terminals A and B should be linked together The firing circuit will start in phase angle mode and switch to burst mode when the control signal ramps up to the set point It will stay in the burst mode even if the signal drops below the set point It will restart in phase angle mode when the unit is switched off or reset Soft Start When the FC36M is initially powered up the output is inhibited for 0 5 seconds then the soft start is automatically enabled and the firing circuit will ramp up at a rate determined by VR3 0 30 seconds The ramp time relates to full conduction for example if the ramp time is set to maximum 30 seconds and the set point is 50 the controller will ramp to the set point in 15 seconds Soft Stop and Soft Start after power up Soft Stop after power up can be achieved when a 5 to 24 volt dc signal is applied to the DOWN input with 0 volts being connected to terminal C SW2 position No 5 should be turn ON The firing circuit will soft stop ramp down at a rate determined by the setting of VR3 Whilst the signal is present it will remain in the off state until the signal is removed When the signal is removed it will Soft Start and ramp up to the set point at a rate determined by VR3 Hard Stop and Hard Start after power up Hard Start Hard Stop after power up can only be achieved with the switch marked SW1 in the OFF position When A or B in
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