Technical Characteristics - gefran GFX4-IR Series Installation And Operation Manual

IN1,...,IN4 analog process inputs
Thermocouple Tc (ITS90) J,K,R,S,T (IEC 584-1,CEI EN 60584-1, 60584-2)
Resistance thermometer RTD (ITS90) Pt100 (DIN 43760) Max line resistance 20ohm
IN5,...,IN8 auxiliary analog inputs (option)
Thermocouple Tc (ITS90) 480 ms
Resistance thermometer RTD (ITS90) J,K,R,S,T (IEC 584-1,CEI EN 60584-1, 60584-2)
Line Voltage and Current measurement
RMS current measurement function Load current read; minimum measurable current.
Accuracy RMS current measurement 2% f.s. at room temperature of 25°C in start mode ZC and 3% f.s. at an ambient
RMS voltage measurement function Line voltage read; (acquisition of voltage values is valid for voltage in range 90...530Vac)
Accuracy RMS voltage measurement 1% f.s. with neutral connected; 3% f.s. without neutral.
Current and Voltage sampling time 0,25 ms
DI1,...,DI2 digital inputs
OUT1,...,OUT4 heat control outputs connected directly to solid-state units
OUT5,...,OUT8 auxiliary (option)
OUT9, OUT10 alarms
PORT1 (always present)
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5 • TECHNICAL CHARACTERISTICS
INPUTS
Function Acquisition of process variable
Max. error 0.2% f.s. ± 1 scale point at room temperature of 25°C
Thermal drift < 100 ppm/°C on f.s.
Sampling time 120 ms
Error cold junction comp. 0,1°/°C
Voltage Linear: 0...60mV, Ri>1MOhm; 0...1V, Ri>1MOhm; 0...10V, Ri>1MOhm
Current Linear: 0/4...20mA, Ri =50ohm a 32-segment custom linearization can be inserted
Function Acquisition of variables (mV or Thermocouple)
Accuracy 1% f.s. ± 1 scale point at room temperature of 25°C
Error cold junction comp. 0,1°/°C
Voltage Linear: 0,...,60mV, Ri>1MOhm
temperature of 25°C in PA ignition mode.
Function Configurable (default: disabled)
Type PNP, 24Vdc, 8mA isolation 3500V
OUTPUTS
Function Configurable (default: heat control) State of control is displayed by LED (O1,...,O2)
Function Configurable (default: cooling control)
Relay Contact NO 3A, 250V/30Vdc cosj =1
Continuous 0/2...10V (default), max 25mA short circuit protection
0/4...20mA, max. load 500ohm isolation 1500V
Logic 24Vdc, > 18V a 20mA
Triac 230V/ max 4A AC51 (1A for each channel)
Analog type: 0/2...10 V (default), max 25 mA short circuit protection 0/4...20 mA, max load 500ohm
Isolated: 500 V
Risolution: 12 bit
Accuracy: 0.2% fs
Function Configurable (default alarms)
Relay Contact NO 5A, 250V/30Vdc cosj =1
COMMUNICATION PORTS
Function Local serial communication
Protocol ModBus RTU
Baudrate Settable 1200,...,115200, (default 19,2Kbit/s)
Node address Settable with rotary-switches
Type RS485 isolation 1500V, double connector RJ10 telephone type 4-4
80404L_MHW_GFX4-IR_03-2020_ENG