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80994B_MHW_GTF-Xtra_05-2016_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 10 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...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 synchronising another GTF or GTS slave (4 slave max.)
Voltage: 7.5V , max 25 mA
HB ALARM OUTPUT
Function
HB alarm output or of other configurable 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 configuration 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