gefran GTF Series User Manual

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80960G_MHW_GTF_05-2019_ENG
5 • TECHNICAL CHARACTERISTICS
INPUTS
IN1 Analogic control inputs
Function Acquisition of control power
Max. error 1% f.s.+/- 1 scale point at ambient temperature of 25°C
Thermal drift < 100 ppm/°C of f.s.
Sampling time 60 ms
Scale 0 -10V Input impedance > 40 Kohms
Scale 0-5V Input impedance > 40 Kohms
Scale 0-20mA or 4-20mA Internal Shunt resistance: 125 ohm
Potentiometer input
Potentiometer resistance: from 1 Kohm to 47 Kohm
Potentiometer supply: +5V (supplied by GTF, max 10mA)
Linear input read scale 0 .... 100.0 %
INDIG Digital Input
Function Power Disable input or PWM input
Voltage range 5-30V (max 7 mA)
State “0” read safe voltage < 2 V
State “1” read safe voltage > 5V
PWM input Maximum frequency: (0.03Hz,...,100 Hz) maximum resolution 1% (0.1ms)
Measures voltage and line current
Function measures the load current Measures RMS voltage by integral calculation of sampled values
Meas. range: 0 ... 2 * rated_product
Accuracy RMS current measurement 3 % f.s. at room temperature of 25°C
In 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...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 synchronising another GTF or GTS slave (4 slave max.)
Voltage: 7.5V , max 25 mA
HB ALARM OUTPUT (Optional)
Function
HB alarm output or of other congurable alarms
Type Solid state relay (MOS opto)
Isolated contact, normally open
Imax: 150mA Vmax. 30 Vac / Vdc
Closing resistance < 15 ohm
COMMUNICATIONS PORTS
RS485 Modbus (Optional)
Function
Local serial communication
Protocol
ModBus RTU
Baudrate
Settable 1200 …19200 bit/s (default 19,2Kbit/s)
Node address
Settable with two rotary-switches (rotary-switches)
Type
RS485 - double connector RJ10 telephone type 4-4
Isolation
500V
TTL serial connector (Standard)
Function For product initial conguration only, via PC.
Use a PC connected to GTF, ONLY via Gefran adapter
Code F049095 (PC with USB) or Code F043957 (PC with RS232)
Isolation
TTL serial NOT isolated of CPU

gefran GTF Series Specifications

General

Brand	gefran
Model	GTF Series
Category	Controller
Language	English