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80994B_MHW_GTF-Xtra_05-2016_ENG

4 • INSTALLATION OF THE SERIAL PORT

A network typically has a Master that “manages” communication by means of “commands,” and Slaves that carry out these

commands.

GTF modules are considered Slaves to the network master, which is usually a supervision terminal or a PLC.

It is positively identified by means of a node address (ID) set on rotary switches (tens + units).

A maximum of 99 GTF, modules can be installed in a serial network, with node address selectable from “01” to “99”

GTF modules have a ModBus serial (Optional)

The MODBUS RTU port 1 has the following factory settings (default):

The following procedures are indispensable for the Modbus protocol.

Set the rotary switch at “0+0” for AutoBaud function

Parameter

Default

Range

1...99

BaudRate

19,2Kbit/s

1200...19200bit/s

Parity

None

Odd/Even/None

StopBits

DataBits

Parameter

Position

rotary switches

tens unit

AutoBaud

0 0

Allows setting of the

correct BaudRate value

automatically detecting

the master transmission

frequency

PLC / HMI

GTF with RS485

Gefran Adapter

F049095

F043956 or

GTF standard

RS485 MODBUS RJ10 Cable

RS232 or

TTL cable RJ10

USB

NOTE

The standard products DO NOT feature the comunication RS485 Modbus serial port, but can be configured via PC with Gefran

GF-Express Software, by connecting it to TTL port of GTF to PC, by means of TTL cable equipped with SW.

NEVER connect TTL adaptator to RS485 serial port of GTF.

NEVER connect TTL connector or GTF to a RS485 serial web .

Danger of product damage!!

Содержание 80994B

Страница 1: ...3 5 Configuration TTL port GTF standars 3 6 Serial comunication port Modbus RS485 option 3 7 Connection example comunication ports 3 8 Connection example power section 3 9 Option electronic fuse 3 10 Digital input PWM 4 Installation of serial network 25 4 1 AUTOBAUD SERIAL sequence 5 Technical Characteristics 27 5 1 Derating Curves 6 Technical Commercial information 30 6 1 Accessories 6 2 Fuses Fu...

Страница 2: ... for over temperature of power module Power control with Soft start ramp limits load optimizes the con sumptions and increases the load operating duration This exclusive function is a resettable internal protection against overcurrents it eliminates the external always problematic use of high speed fuses and greatly reduces the length and cost of machine downtime caused by a search for new fuses D...

Страница 3: ...n by consulting the section Technical Commercial Information Example GTF 60 480 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 configure the PC use the SW Gefran GF Express kit and the relative connection cable For the o...

Страница 4: ...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 the power supply line of electronic instruments is heavily disturbed by switching of thyristor power groups or by motors you should use an isolation transform...

Страница 5: ...e immunity EN 61000 4 6 10 V m amplitude modulated 0 15 MHz 80 MHz Burst immunity EN 61000 4 4 2 kV power line 2 kV I O signal line Surge immunity EN 61000 4 4 5 Power line line 1 kV Power line earth 2 kV Signal line earth 2 kV Signal line line 1 kV Magnetic fields immunity Test are not required Immunity is demonstrated by the successful completion of the operating capability test Voltage dips sho...

Страница 6: ...dc 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 480V Legend 1KV 7 5V 1KV DC DC 5V 4KV max 480Vac SSR OUT HB 1KV 1KV MODBus RS485 ...

Страница 7: ...dimensions are expressed in mm 2 4 1 TEMPLATE DIMENSIONS Figure 1 Figure 2 L mm W mm Models GTF 25 40 50A 112 44 GTF 60A 112 113 Depht 143 mm Fastening may be done on DIN guide EN50022 or with 5MA All dimensions are expressed in mm Depht 143 mm Overvoltage protector Fan GTF 25 without fan GTF 40 with fan GTF 50 with fan GTF 60 with fan ...

Страница 8: ... 3 to provide adequate air circulation 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 PHASE ATTACHMENT PHASE RELEASE GTF locked properly to DIN bar TURN TURN PRESS PRESS Figure 4 Figure 5 Figure 6 1 2 2 1 ...

Страница 9: ...ctor 2 HB key calibration 3 TTL port for configura tion 4 LED indicators 5 Power terminal Line 1 L1 6 Power terminal Load 2 T1 7 Heatsink 8 Attachment DIN bar 9 Switch serial line terminal 10 RS485 serial port connector 11 Address Rotary switch 12 GTF Surge protector GTF Standard GTF with RS485 option ...

Страница 10: ... 40A 1 L1 2 T1 PE 10 mm 7 AWG Wire terminal Eye D 6mm 2 5 Nm Phillips screwdriver PH2 PH3 50A 1 L1 2 T1 PE 10 mm 7 AWG Wire terminal Eye D 6mm 2 5 Nm Phillips screwdriver PH2 PH3 60A 1 L1 2 T1 PE 16 mm 5 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 Note Cables must be copper Stranded...

Страница 11: ...onnection 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 Power sup...

Страница 12: ... overtemperature alarm yellow PIN NAME DECRIPTION 1 OUT AL HB OUT Alarm Switch HB 2 3 OUT_Master Control output Slave 7V 4 GND GND Control analog input 5 IN Control analog input 6 5V_POT Output alim potentiometer 7 IN_DIG Digital input PWM Input 8 24V Supply Supply 18 32 Vac Vdc 9 24V Supply 0 2 2 5mm2 24 14AWG 0 25 2 5mm2 23 14AWG 3 4 1 CONNECTOR J1 Figure 9 Figure 10 Table 5 Table 6 Table 7 The ...

Страница 13: ... transmission TTL to GTF 4 Reserved Gefran DO NOT connect Cable type flat telephone cable for pin 4 4 conductor 28AWG 4 3 2 1 Connector S1 S2 RJ10 4 4 pin Nr Pin Name Description Note 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 Data reception transmission A 3 Tx Rx D...

Страница 14: ...ection example Power section Connection example GTF for 1 single phase load single phase line L1 N or open delta L1 L2 Figure 12 Connection example GTF for 1 single phase load with transformer single phase line L1 N or open delta L1 L2 Figure 13 ...

Страница 15: ...80994B_MHW_GTF Xtra_05 2016_ENG Connection example 2 phase Master Slave GTF for one load 3 phase Figure 14 Connection example 3 phase Master Slave with control on 3 lines GTF for one load 3 phase Figure 15 ...

Страница 16: ... example GTF 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 16 Connection example GTF with N 3 GTF for 3 phase star load with neutral Figure 17 ...

Страница 17: ... 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 LOAD 1 L O A D 2 L O A D 3 Connection example GTF 3 Master for 3 phase star load with neutral Figure 19 1 2 3 4 5 6 7 8 9 1 L1 2 T1 3 L2 PE POTENTIOMETER 24 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 ...

Страница 18: ... g 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...

Страница 19: ...e from 1 to 10 In the following example the parameter 2 Figure 21 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 pow...

Страница 20: ... phase 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 softstar...

Страница 21: ...alue i e not the instantaneous value of the load current does NOT exceed the set RMS current limit Figure 25 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...

Страница 22: ... delay triggering instead use the phase Soft Start ramp Figure 27 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 ...

Страница 23: ... to replace the fuse and reducing machine downtime Has 2 function states Normal On Off control of load power Fuse Open GTF is open a short occurred during normal operation 83 Fr n Number of restarts in case of FUSE_OPEN R W R W OFF ON Reset alarms SHORT_CIRCUIT_CURRENT e FUSE_OPEN Conditions of use Breaking capacity 5 KA 480V Max system inductance 500 uH DIFFERENCES AMONG SHORT CIRCUIT PROTECTION ...

Страница 24: ...FF The power 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 ...

Страница 25: ...le for the Modbus protocol Set the rotary switch at 0 0 for AutoBaud function Parameter Default Range ID 1 1 99 BaudRate 19 2Kbit s 1200 19200bit s Parity None Odd Even None StopBits 1 DataBits 8 Parameter Position rotary switches tens unit AutoBaud 0 0 Allows setting of the correct BaudRate value automatically detecting the master transmission frequency PLC HMI PC GTF with RS485 Gefran Adapter F0...

Страница 26: ...on 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 tu...

Страница 27: ...n PA mode 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 480Vac 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 ...

Страница 28: ... with softstart Tamb 40 C 20A 32A 40A 50A Overcurrent Fault Protection function This option eliminates the need for an external extra rapid fuse to protect the device In case of load short circuit the internal IGBT device is instantaneously switched off and the alarm status is signaled Critical Dv dt with output deactivated 1000V μsec Held nominal voltage of on the impulse 4KV Breaking 5KA 480V Wa...

Страница 29: ...ity 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 GTF 25A 0 97 Kg GTF 40 50A 1 1 K...

Страница 30: ...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 option GTF X...

Страница 31: ...ving of historical data Component Kit Connection cable PC USB GTF port TTL Connection cable PC USB GTF RS485 port Serial line converter CD SW GF Express installation ORDERING CODE GF_eXK 2 0 0 Cod F049095 6 1 Accessories CONFIGURATION KIT 6 2 Fuse GG The electric protection device called FUSE GG must be done in order to grant the protection against the electric cable short cirrcuit see EN60439 1 p...

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