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gefran GTF 120, Installation And Operation Manual

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gefran GTF 120 Installation And Operation Manual Download Page 32

32

80960G_MHW_GTF_05-2019_ENG

To conduct inductive loads controlled in PA mode, do not use delay triggering; instead, use the phase Soft-Start ramp.
Figure  46 

 

Example of phase ramp to fire

a transformer in PA mode

Example of firing with Delay-Triggering

of a transformer in ZC mode

Comparison of method to fire a transformer: Soft-Start Ramp (for PA mode) / Delay triggering (for ZC and BF mode)

Summary of Contents for GTF 120

Page 1: ...i stesse 1 PRELIMINARY INSTUCTIONS 2 1 1 Profile 2 1 2 General Description 2 1 3 Preliminary instruction 3 2 INSTALLATION AND CONNECTION 4 2 1 Electrical power supply 4 2 2 Notes on electrical safety and electromagnetic compatibility 4 2 3 Recommendations for Correct Installation for purposes of EMC 4 2 4 Dimensions 7 2 5 Installation 8 2 6 Short circuit protection 9 2 7 General description GTF 25...

Page 2: ...r transformer primaries either single phase or triphase GTF runs complete diagnostics of current voltage power and temperature levels Current Diagnostics Total and partial load interrupt alarm Self learn function of alarm limit for interrupted load Alarm for SCR in short circuit Alarm for load in short circuit or overcurrent Voltage Diagnostics Alarm for absence of phase Temperature Diagnostics Al...

Page 3: ...Check that the order code matches the configuration requested for the intended application by consulting the section Technical Commercial Information Example GTF 90 480 0 1 0 M Model Nominal current Nominal voltage Control option Absent Diagnostic option HB Fuse absent Serial Modbus See paragraph 2 1 Dimensions and mounting before installing the GTF on the machine host system control panel To conf...

Page 4: ...ECTION 2 3 Recommendations for Correct Installation for purposes of EMC 2 3 1 Instrument power supply The power supply for the electronic instrumentation on the panels must always come directly from a cut off device with fuse for the instrument part Electronic instrumentation and electromechanical power devices such as relays contactors solenoids etc MUST ALWAYS be powered by separate lines When t...

Page 5: ...iring mode single cycle and phase angle if external filter fitted EN 60947 4 3 CISPR 11 EN 55011 Table 2 EMC Immunity Generic standards immunity standard for industrial envi ronments EN 60947 4 3 ESD immunity EN 61000 4 2 4 kV contact discharge 8 kV air discharge RF interference immunity EN 61000 4 3 A1 10 V m amplitude modulated 80 MHz 1 GHz 10 V m amplitude modulated 1 4 GHz 2 GHz Conducted dist...

Page 6: ...LEDs OUTPUTS CPU INPUTS POWER CONTROL MAIN INPUT IN1 DIGITAL INPUT INPUT TA Main Processor LOGIC EEprom RAM Connected to 7 5V CPU Connected to 18 32Vdc Connected to 5V PORT 1 Connected to 90 600V Legend 1KV 7 5V 1KV DC DC 5V 4KV max 600Vac SSR OUT HB 1KV 1KV MODBus RS485 ...

Page 7: ... and 2 All dimensions are expressed in mm Figure 1 Depth 143 mm GTF 75 Without Fan GTF 90 Without Fan GTF 120 With Fan Depth 170 4 mm GTF50 Without Fan GTF60 Without Fan GTF 25 GTF 40 2 4 1 Template dimensions Figure 2 W L M5 Models L mm W mm GTF 25 40 50 60A 112 44 GTF 75 90 120A 112 113 GTF 150 200 250A 287 42 ...

Page 8: ...de adequate air circulation Figure 3 For correct attachment release of the module on the DIN guide do as follows keep the attach release cursor pressed insert remove the module release the cursor Figure 4 Figure 5 Figure 6 PHASE ATTACHMENT GTF locked properly to DIN bar PHASE RELEASE 1 2 1 2 TURN TURN PRESS PRESS ...

Page 9: ... TABLE guarantee the operation of the device following a short circuit ATTENTION The opening of the branch circuit protective device may be an indication that a fault has been interrupted To reduce the risk of fire or electric shock current carrying parts and other components of the device should be examined and replaced if damaged If burnout of the device occurs the complete device must be replac...

Page 10: ...nal 10 RS485 serial port connector 11 Address Rotary switch 2 8 General description GTF 150 250A Figure 8 GTF 150 250A Standard GTF 150 250A with serial option 1 Line terminal 1 L1 2 Line voltage connector 3 Internal fuse protection cover 4 Load terminal 2 T1 5 Cooling fan 6 TTL port for configuration by PC 7 Control input connector 8 HB key calibration 9 LED indicators 10 Input connector 11 Suppl...

Page 11: ...RHEAT ALARM Before and during the inspection maintenance cut power to the fan controller and verify that the system is isolated for operator safety If periodic cleaning does not eliminate the problem do as follows a Remove the fan support grille by detaching the two support tabs b Disconnect the fan connector from the board c Check the condition of the fan d Clean or replace the fan Attention chec...

Page 12: ...red 3 Loosen the two fastening nuts of fuse by means of fixed spanner N 13 GTF 150 It is not necessary to remove the nuts as the fuse N 17 GTF 200 250A is slipped off its seat by turning it 4 and extracting it 5 as indicated by the arrows Insert the new fuse as indicated by the arrows 6 7 ATTENTION the washer must remain between the dice and the fuse NOT under the fuse Figure 10 Fasten the two nut...

Page 13: ... AWG Wire terminal Eye D 6mm 2 5 Nm Phillips screwdriver PH2 PH3 120A 1 L1 2 T1 PE 50 mm 1 0 AWG Wire terminal Eye D 6mm 2 5 Nm Phillips screwdriver PH2 PH3 3 L2 Ref Vline 0 25 2 5 mm 23 14 AWG wire terminal tip 0 5 0 6 Nm Screwdriver blade 0 6 x 3 5 mm 150A 1 L1 2 T1 70 mm 2 0 AWG Wire stripped for 25 mm or with crimped pre insulated terminal tube CEMBRE PKC70022 6 Nm No 6 hex head wrench 200A 1 ...

Page 14: ...Slave connection Alarm output solid state relay HB option Key HB Green Led RUN Yellow Led STATUS Red Led Alarm output HB Yellow Led Status digital input Led Green Thyristor ON Yellow Temperature OVER 1 L1 LINE connection 3 L2 Reference connection of line voltage PE EARTH 2 T1 LOAD connection Fixing screw at heatsink Identification label Fixing screw at heatsink J1 Power supply control connector Po...

Page 15: ...er fuse inspection RUN Green STATUS Yellow ALARM HB Red STATE DIGITAL INPUT Yellow ON THYRISTOR Green OVER Temperature Red Potentiometer load connection Control analog input connector load connection Protection fan load connection Configuration TTL port RJ10 connector serial RS485 Modbus Dip Switch serial line Low view WithOUT option RS485 serial line Low view With option RS485 serial line ...

Page 16: ...special cases LED 1 green LED 2 yellow both flashing rapidly autobaud in progress LED 2 yellow flashing rapidly SSR temperature sensor broken or SSR Over Heat or Rotation Error or Fuse_open GTF 150 250A or Short_Circuit_Current or Line Load Terminals Over Heat GTF 150 250A 3 5 Control connector 3 5 1 Connector J1 GTF 25 120A Figure 13 CONNECTOR J1 GTF 25 120A CONTROL Table 8 0 2 2 5mm2 24 14AWG 0 ...

Page 17: ... NAME DESCRIPTION 1 OUT AL HB Contact output N A Alarm HB 2 3 OUT_Master Output 7Vdc for control slave module 4 GND GND output OUT_Master 3 5 3 Connector J2 GTF 150 250A Supply 24V Figure 17 CONNECTOR J2 GTF 150 250A SUPPLY 24V Table 12 0 2 2 5mm2 24 14AWG 0 25 2 5mm2 23 14AWG Figure 18 Connection scheme J2 GTF forr 150 250A CONNECTOR J2 GTF 150 250A SUPPLY 24V Table 13 PIN NAME DESCRIPTION 1 24Vd...

Page 18: ...ble 15 PIN NAME DESCRIPTION 1 Not connected 2 Not connected 3 IN_DIG Digital input PWM input 4 GND 24V Supply 3 5 5 Connector J4 GTF 150 250A Control Analog Input Figure 21 CONNECTOR J4 GTF 150 250A CONTROL ANALOG INPUT Table 16 0 2 2 5mm2 24 14AWG 0 25 2 5mm2 23 14AWG Figure 22 Connection scheme J4 for GTF 150 250A Table 17 PIN NAME DESCRIPTION 1 OUT AL HB Supply output 5V potentiometer 2 IN Cont...

Page 19: ... flat telephone cable for pin 4 4 conductor 28AWG 3 7 Serial communication ports modbus RS485 Option Connector J3 J4 GTF 25 120A Connector J6 J7 GTF 150 250A Connector S1 S2 RJ10 4 4 pin Nr Pin Name Description Note 4 3 2 1 1 GND1 Insert the RS485 line termination in the last device on the Modbus line see dip switches Connect the GND signal between Modbus devices with a line distance 100 m 2 Tx Rx...

Page 20: ... 9 Connection example Power section Connection example GTF 25 120A for 1 single phase load single phase line L1 N or open delta L1 L2 Figure 24 Connection example GTF 150A 250A 1 single phase load single phase line L1 L2 N Figure 25 ...

Page 21: ...onnection example GTF 25 120A for 1 single phase load with transformer single phase line L1 N or open delta L1 L2 Figure 26 Connection example GTF 150A 250A for 1 single phase load with transformer single phase line L1 L2 N Figure 27 ...

Page 22: ...22 80960G_MHW_GTF_05 2019_ENG Connection example 2 phase Master Slave GTF 25 120A for one load 3 phase Figure 28 Connection example 2 phase Master Slave GTF 150 250A for one load 3 phase Figure 29 ...

Page 23: ...ter Slave with control on 3 lines GTF 25 120A for one load 3 phase Figure 30 Connection example GTF 25 120A three phase 3 master units for single phase loads with division of maximum load with isolators S1 S2 S3 maintaining balance of three phase line Figure 31 ...

Page 24: ...W_GTF_05 2019_ENG Connection example 3 phase GTF 150A 250A Master Slave control on 3 lines for one load 3 phase Figure 32 Connection example 2 phase GTF 25 120A Master with GTS slave for one load 3 phase Figure 33 ...

Page 25: ...80960G_MHW_GTF_05 2019_ENG Connection example GTF 25 120A with N 3 GTF for 3 phase star load with neutral Figure 34 Connection example GTF 150 250A with N 3 GTF for 3 phase star load with neutral Figure 35 ...

Page 26: ... Vdc ac SUPPLY HB OUT ALARM SWITCH Phase R Phase S EARTH REGULATOR Analog Output 0 10 V 0 5 V 1 2 3 4 5 6 7 8 9 1 L1 2 T1 3 L2 PE Phase T R R R Star With Neutral Load 1 2 3 4 5 6 7 8 9 1 L1 2 T1 3 L2 PE Neutral 3 2 1 FUSE GTF GTF GTF FUSE GG GTF 1 STATUS MASTER GTF 2 STATUS MASTER GTF 3 STATUS MASTER FIRING MODE ZC BF HSC PA HB DIAGNOSTIC AVAILABLE total and partial load failure of each single leg...

Page 27: ...EGULATOR Analog Output 0 10 V 0 5 V 1 2 3 4 5 6 7 8 9 1 L1 2 T1 3 L2 PE Phase T 1 2 3 4 5 6 7 8 9 1 L1 2 T1 3 L2 PE 3 2 1 FUSE GTF GTF GTF FUSE GG GTF 1 STATUS MASTER GTF 2 STATUS MASTER GTF 3 STATUS MASTER FIRING MODE ZC BF HSC PA HB DIAGNOSTIC AVAILABLE total and partial load failure of each single leg FUSE fast fuse see fuse table FUSE GG see Fuse section R3 R2 R1 G T F 2 G T F 3 GTF 1 V R T S ...

Page 28: ...Select the inductive load using the Hd 1 parameter ref Software manual Trigger modes The GTF has the following power control modes modulation via variation of number of conduction cycles with zero crossing trigger modulation via variation of phase angle Zero Crossing mode This function eliminates EMC noise This mode controls power on the load via a series of conduction ON and non conduction OFF cy...

Page 29: ...from 1 to 10 In the following example the parameter 2 Figure 40 Example of operation in BF mode with power equal to 50 HSC Half single cycle This mode corresponds to Burst Firing that manages ON and OFF half cycles It is useful for reducing the flickering of filaments with short medium wave IR lamp loads With these loads to limit operating current with low power it is useful to set a minimum power...

Page 30: ...ase control or pulse train mode and in zero crossing mode ZC BF HSC In phase control the increment of conduction angle q stops at the corresponding value of the power to be transferred to the load Control of maximum peak current useful in case of short circuit on the load or of loads with high temperature coefficients to automatically adjust start time to the load can be enabled during softstart W...

Page 31: ...e i e not the instantaneous value of the load current does NOT exceed the set RMS current limit Figure 44 Example of conduction angle limitation in PA mode to respect an RMS current limit below the nominal current of the load DT Delay triggering for ZC BF control modes only Settable from 0 to 90 Useful for inductive loads transformer primaries to prevent current peak that in certain cases could tr...

Page 32: ...elay triggering instead use the phase Soft Start ramp Figure 46 Example of phase ramp to fire a transformer in PA mode Example of firing with Delay Triggering of a transformer in ZC mode Comparison of method to fire a transformer Soft Start Ramp for PA mode Delay triggering for ZC and BF mode ...

Page 33: ...wer level is given by the ratio TON CycleTime and is normally expressed in The GTF digital input automatically adapts to the cycle time from 0 03Hz to 100Hz and obtains the power to be supplied to the load from the TON TON TOFF ratio Connection example Temperature control with Gefran 600 with D type logic output out2 cycle time 0 1sec logic output can drive max 3 GTF in series preferable connectio...

Page 34: ... 19 2Kbit s 1200 19200bit s Parity None Odd Even None StopBits 1 DataBits 8 The following procedures are indispensable for the Modbus protocol Set the rotary switch at 0 0 for AutoBaud function Parameter Position rotary switches tens unit AutoBaud 0 0 Allows setting of thecorrect BaudRate value automatically detecting the master transmission frequency PLC HMI GTF with RS485 RS485 MODBUS RJ10 Cable...

Page 35: ...terminal must transmit a series of generic MODBUS read messages to the network 5 The procedure is over when all of the RUN and STATUS LEDs on the GTF modules flash at a normal frequency 2Hz if parameter 50 Ld 1 16 as default The new speed parameter is saved permanently in each GTF therefore the AUTOBAUD SERIAL sequence does not have to be run at subsequent power ups When the rotary switch is turne...

Page 36: ...de with conduction angle 90 5 fs Thermal drift 200 ppm C RMS line current measurement function RMS voltage meas by integral calculation of sampled values Work voltage range 90 600Vac Accuracy RMS voltage measurement 1 f s at room temperature of 25 C Thermal drift 100 ppm C Sampling time current voltage 0 25 ms Line frequency 50 60 Hz OUTPUTS CONTROL OUTPUT MASTER SLAVE Function Control for synchro...

Page 37: ... 60A 75A 90A 120A 150A 200A 250A Rated current AC56A permitted trigger modes ZC BF con DT Delay Triggering PA with softstart Tamb 40 C 20A 32A 40A 50A 60A 75A 100A 125A 160A 200A Non repetitive overcurrent t 10msec 400A 520A 520A 1150A 1150A 1500A 1500A 5000A 8000A 8000A I t for melting t 1 10msec A s 450 1800 1800 6600 6600 11200 11200 125000 320000 320000 Critical Dv dt with output deactivated 1...

Page 38: ...N 60947 4 3 7 1 1 Relative humidity 20 85 RH non condensing Ambient conditions for use indoor use altitude up to 2000m Installation DIN bar EN50022 or panel with screws Installation requirements Installation category II pollution level 2 double isolation only for model 120A Max temperature of air surrounding device 40 C for temperature 40 C refer at derating curves Device type UL Open Type Weight ...

Page 39: ...10V Default 1 5V Potentiometer 2 0 20mA 3 4 20mA 4 PWM Digital input 5 Trigger modes configurable ZC Z BF Default B HSC H PA P Function type configurable Master Default M Slave S Slave dual phase S2 1 B M Note Configurator Standard 1 B M if not differently specified Substitution model GTS GTF X 480 0 0 0 0 5 Z S GTT without load interrupted option GTF X 480 0 0 0 0 1 B M GTT with load interrupted ...

Page 40: ...V GTF 75 80A 6600A s FUS 080 22x58 FWP80A22F 338199 14W PFI 22X58 337223 UR80A 600V GTF 90 125A 6950A s FUS 125N 660RF00AT125 338106 25W PF DIN 337092 UR400A 1000V GTF 120 125A 6950A s FUS 125N 660RF00AT125 338106 25W PF DIN 337092 UR400A 1000V GTF 150 200A 31500A s FUS 200S DN000UB69V200 338930 19W GTF 200 250 480V 600V 450A 196000A s FUS 450S DN00UB60V450L 338932 17W GTF 200 250 690V 400A 150000...

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