6 - Technical specification

6TECHNICAL SPECIFICATIONS

Features

 

Description

(at 25°C enviromental temp.)

 

 

 

Total configurability see par. 3.2 pag. 16 par. 4.6 pag. 26

PV Input

(see pag.12 and pag. 16)

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.

 

A/D converter with resolution of 50.000 points

 

Common

Update measurement time: 0.2 seconds

 

Sampling time: 0.5 seconds

 

characteristics

 

Input bias: - 60…+ 60 digit

 

 

 

 

Input filter with enable/disable: 1…30 seconds

 

 

 

 

 

 

0.25% ± 1 digits for temperature sensors

 

Accuracy

0.1% ±1 digits (for mV)

 

Between 100…240V~

0.1% ±1 digits + accuracy of the used external

the error is minimal

 

 

shunt resistor (for mA)

 

 

 

Pt100at 0°C

 

Max. wire Res.:

Resistance

(IEC 751)

2 or 3 wires

20max (3 wires)

Input drift:

thermometer

 

connection

 

0.3°C/10°C Env.Temp.

 

°C/°Fselectable

 

 

 

 

 

 

<0.1°C / 10 Wire Res.

 

L,J,T,K,S

Internal cold junction

Max. wire Res.:

 

 

(IEC 584)

 

150 max

Thermocouple

compensation

Input drift:

 

 

°C/°F selectable

in °C/°F

<2µV/°C Env. Temp.

 

 

<0.5µV / 10Wire Res.

 

4…20mA,0-20mA

Engineering units

 

DC input (current)

with external shunt 2.5

Conf. decimal point position

Input drift:

 

Rj >10M

Init. Sc. -999…9999

 

<0.1% / 20°C Env. temp.

DC input (voltage)

10…50mV, 0-50mV

Full Sc. -999…9999

 

Rj >10M

(min. range of 100 digits)

 

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