gefran 1650 User Manual

80209C_MHW_850-1650-1850_01-2020_ITA_pag. 269
INPUTS
MAIN AND AUXILIARY
INPUT
(Main, Aux1, Aux2)
Sensor type • Thermocouples, RTD (PT100, JPT100), IR pyrometers with type
K output, 4…20mA, 0…20mA, 10V, 5V, 1V, 60mV, potenziometer
• Reading accuracy : ±0,1% of value read
This Gefran controller, when subjected to the necessary
calibration operations in the field, is suitable for use in Nadcap
applications for any class of oven, from 1 to 6, according to
specification AMS2750E, paragraph 3.3.1.
Thermocouple
(only Main and Aux1)
• Types : J, K, R, S, T, C, D, B, E, L, L-GOST, U, G, N,Pt20Rh-
Pt40Rh Custom linearisation available
• Linearisation accuracy: according to standard ITS90 polynomes;
refer to user manual for details
• Cool junction accuracy: < ± 1°C a 25°C room temperature
• Cool junction compensation : greater than 40:1 rejection at
changes in room temperature exceeding 25°C
Diagnostics: Indication of faulty probe and out of scale
RTD input
(Pt100 and JPt100)
(only Main and Aux1)
• Types: Pt100, JPt100. Custom linearisation available
• Calibration accuracy: < ±0,1% of the value read in °C ± 0,4°C
• Linearisation accuracy: <±0,062°C
• Thermal shift: < (±0.002% of read value/°C, starting from 25°C
room temperature) ± 0.1°C
• Diagnostics: Indication of faulty probe and out of scale
Linear DC input • Types : 0...60 mV, 0…20mA, 4…20mA, 0…1V, 0…5V, 0…10V,
0…2.
4V high impedance, 0…1.2V high impedance
•Input impedance :
0…60mV, 0…1V, 0…1.2V, 0…2.
4V : > 100 MΩ
0…5V, 0…10V : > 400 kΩ
0…20mA, 4…20mA : 50 Ω
• Linearisation: linear or custom
• Calibration accuracy: < 0.1% full scale
• Thermal shift: <±0.003% full scale/°C, starting from 25°C room
temperature
Sampling time 60 ms or 120 ms, selectable
Digital filter 0,0...20,0 s configurable
Rejection at network disturbance
(48-62Hz)
Rejection at differential mode: >80 dB
Rejection at common mode: >150 dB
Temperature unit of measure Grado C / F, selectable on the keypad
Reading interval Tipe: linear
Scale: -1999...9999, settable decimal point
Insulation Functional insulation between main and auxiliary inputs
TA (ammeter)
INPUT
Type Isolated via external transformer
Number: 2 max
Max. capacity: x / 50 mA AC
Line frequency: 50/60 Hz
Input impedance (Ri): 10 Ω
Accuracy ±2% f.s. ±1 digit @25 °C
DIGITAL INPUTS
Number 5 max
Type Voltage-free contact, or
NPN 24 V - 4,5 mA, o
PNP 12/24 V - max 3,6 mA
For detail see electrical connections
Isolation 250 V

gefran 1650 Specifications

General

Brand	gefran
Model	1650
Category	Temperature Controller
Language	English