Ascon M3-5106-0020 Digital Process Controller

M3 UK-ed6
30-06-2009
15:22
Pagina 44
7 - Technical specification
7
TECHNICAL SPECIFICATIONS
Features
(at 25°C environmental temp.) Description
Total configurability (see par. 3.2 page 18 par. 4.6 page 35
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.
Common characteristics
Accuracy
PV Input (see page11,12 and page 18)
Resistance thermometer (for ΔT: R1+R2 must be <320Ω)
Thermocouple
DC input (current)
DC input (voltage) 44
A/D converter with resolution of 50000 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
0.25% ±1 digits for temperature sensors 0.1% ±1 digits (for mV and mA) 2 or 3 wires
Pt100Ω at 0°C connection (IEC 751) Burnout °C/°F selectable (with any combination)
Between 100…240Vac the error is minimal Max. wire Res: 20Ω max.
(3 wires) Sensitivity: 0.35°C/10° E.
T. <0.35°C / 10Ω Wire Res.
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.
4…20mA,0...20mA with external shunt 2.5Ω Rj >10MΩ 10…50mV, 0...50mV Rj >10MΩ
Engineering units Conf. decimal point position Input drift:
Init. Sc -999…9999 <0.1% / 20°C Env. Temp.
Full Sc. -999…9999 (min. range of 100 digits)