gefran GTF-Xtra Installation And Operation Manual page 27

IN1 Analogic control inputs
Function
Max. error
Thermal drift
Sampling time
Scale 0 -10V
Scale 0-5V
Scale 0-20mA or 4-20mA
Potentiometer input
Linear input read scale
INDIG Digital Input
Function
Voltage range
State "0" read safe voltage
State "1" read safe voltage
PWM input
Measures voltage and line current
Function measures the load current
Accuracy RMS current measurement
RMS line current measurement function
Accuracy RMS voltage measurement
Sampling time current/voltage
Line frequency
CONTROL OUTPUT MASTER/SLAVE
Function
HB ALARM OUTPUT
Function
Type
RS485 Modbus (Optional)
Function
Protocol
Baudrate
Node address
Type
Isolation
TTL serial connector (Standard)
Function
Isolation
80994B_MHW_GTF-Xtra_05-2016_ENG
5 • TECHNICAL CHARACTERISTICS
INPUTS
Acquisition of control power
1% f.s.+/- 1 scale point at ambient temperature of 25°C
< 100 ppm/°C of f.s.
60 ms
Input impedance > 40 Kohms
Input impedance > 40 Kohms
Internal Shunt resistance: 125 ohm
Potentiometer resistance: from 1 Kohm to 10 Kohm
Potentiometer supply: +5V (supplied by GTF, max 10mA)
0 .... 100.0 %
Power Disable input or PWM input
5-30V (max 7 mA)
< 2 V
> 5V
Maximum frequency: (0.03Hz,...,100 Hz) maximum resolution 1% (0.1ms)
Measures RMS voltage by integral calculation of sampled values
Meas. range: 0 ... 2 * rated_product
3 % f.s. at room temperature of 25°C
In PA mode with conduction angle >90° : 5% fs
Thermal drift: < 200 ppm/°C
RMS voltage meas. by integral calculation of sampled values
Work voltage range: 90...480Vac)
1 % f.s. at room temperature of 25°C
Thermal drift: < 100 ppm/°C
0,25 ms
50 / 60 Hz
OUTPUTS
Control for synchronising another GTF or GTS slave (4 slave max.)
Voltage: 7.5V , max 25 mA
HB alarm output or of other configurable alarms
Solid state relay (MOS opto)
Isolated contact, normally open
Imax: 150mA Vmax. 30 Vac / Vdc
Closing resistance < 15 ohm
COMMUNICATIONS PORTS
Local serial communication
ModBus RTU
Settable 1200 ...19200 bit/s (default 19,2Kbit/s)
Settable with two rotary-switches (rotary-switches)
RS485 - double connector RJ10 telephone type 4-4
500V
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)
TTL serial NOT isolated of CPU
27