44
7 - Technical specification
7 TECHNICAL SPECIFICATIONS
Common
characteristics
A/D converter with resolution of 50.000 points
Update measurement time: 0.2 seconds
Sampling time:0.5 seconds
Input bias:- 60…+ 60 digit
Input filter with enable/disable:1…30 seconds
Accuracy
0.25% ± 1 digits for temperature sensors
0.1% ± 1 digits (for mV and mA)
Between 100…240V
~
the error is minimal
Resistance
thermometer
(for ∆T:R1+R2
must be <320Ω)
Pt100Ω at 0°C
(IEC 751)
°C/°F selectable
2 or 3 wires
connection
Burnout
(with any combination)
Max.wire Res:20Ω max
(3 wires)
Sensitivity:0.35°C/10° E.
T.<0.35°C / 10Ω Wire Res.
Thermocouple
L,J,T,K,S
(IEC 584)
Rj >10MΩ
°C/°F selectable
Internal cold junction
compensation con NTC
Error 1°C/20°C ±0.5°C
Burnout
Line:150Ω max
Input drift:
<2µV/°C.Env.Temp
<5µV / 10Ω Wire Res.
DC input (current)
4…20mA,0-20mA
with external shunt 2.5Ω
Rj >10MΩ
Engineering units
Conf.decimal point position
Init.Sc -999…9999
Full Sc.-999…9999
(min.range of 100 digits)
Input drift:
<0.1% / 20°C Env.Temp.
DC input (voltage)
10…50mV,0-50mV
Rj >10MΩ
Total configurability
(see par.3.2 page 18
par.4.6 page 35
PV Input
(see page11,12 and
page 18)
Description
From keypad or serial communication the user selects:
- the type of input - the associated functions and the corresponding outputs
- the type of control algorithm - the type of output and the safe conditions
- the type and functionality of the alarms - the values of all the control parameters.
Features
(at 25°C environmental temp.)
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