Senso AK30 Manuale utente

Instructions Manual

PROCESS INDICATORS

Manual ver 2.0 2

Manual ver 2.0 3

CONTENTS

1. INTRODUCTION 4

1.1 General specifications 4

1.2 Form of order 5

2. INSTALLATION 6

2.1 Preliminary aspects 6

2.2 Input and output configuration 7

2.3. Panel assembly 7

3. INPUTS / OUTPUTS 8

3.1 Signal input options. Examples. 8

3.2 Configuration of the different inputs 10

3.3 Alarms. 11

3.4 Serial Communications ( Optional ) 13

3.5 Auxiliary analogue output( Optional ) 14

4. OPERATION 16

4.1 Introduction 16

4.2 Description of the front 17

4.3 Starting 17

4.4 Loss of power supply 17

4.5 Automatic calibration of the pressure transducer 17

4.6 Tare function 18

4.7 Pressure transducer type 18

4.8 Display filtering function on presure measurement 18

4.9 Limits of the configurable parameters 19

4.10 Parameter configurable values and initial value 22

4.11 General menu diagram 25

4.12 Parameter protection 28

5 TECHNICAL SPECIFICATIONS 29

6 SPECIAL MESSAGES 31

Manual ver 2.0 4

1. INTRODUCTION

This instructions manual describes the installation and operation

of the universal process indicators AK30 and AK32 models.

Read the instructions manual before starting the

unit.

1.1. General specifications

The AK30 is a universal indicator with a configurable input. The

AK32 is a universal indicator with two inputs for the simultaneous

measurement of 2 variables, one configurable and the other for pressure

transducer reading.

Standard:

Totally configurable input for thermocouple, thermoresistance,

voltage, current loop, pressure reading or extensiometric gauge (only

AK30)

5 digit display (AK30) or double 5-digit display(AK32).

2 fully configurable alarms.

Optional:

Modbus RS-485 communications module.

Analogue output proportional to the reading on the indicator

24 V DC power supply for transmitter

Other:

Format: 1/8 DIN43700 (96 x 48 mm, horizontal). Extractable from the

front.

Power supply. 85..265 V AC 50/60 Hz (optionally 21..53 V AC / V DC)

Dimensions: 96 x 48 x 98 mm

Panel drill holes: 91,5 x 45,5 ( ±0,5 )

Display:

AK30:

5 digits 13 mm for the process variable.

Manual ver 2.0 5

2 alarm warning lights

AK32:

Double display 5 digits 10 mm, one for each process.

2 alarm warning lights

Alarms: 2 fully configurable alarms. SPST output( 1A@250 V AC )

Weight:

AK30: 220 g.

AK32: 240 g.

Inputs:

User-configurable as:

L : 0..600°C (Fe-CuNi, DIN43710)

J : 0..600°C (Fe-CuNi, IEC584)

K: 0..1200°C (NiCr-NiAl, IEC584)

N: 0..1200°C (NiCrSi-NiSi, IEC584)

T: 0..400°C (Cu-CuNi, IEC584)

R: 0..1600°C (Pt/13%Rh-Pt, IEC584)

S: 0..1600°C (Pt/10%Rh-Pt, IEC584)

RTD, Pt100: -200..600°C (IEC751)

RTD, Pt100: -99,9..200,0°C (IEC751)

Current loop 0..20 , 4..20 mA (load 150 ohm)

Voltage V DC 0..5 , 0..10 V (Impedance >1 Mohm)

Pressure transducer

Extensiometric gauge 350 ohm( only AK30 )

1.2. Form of order

Model Options Power supply Language

0: No options

1: Analogue output with

AK35

2: Standard

communications

Modbus/RS-485 with

AK36

3: 24 V DC power supply for

transmitter with AK37

1: 85..265 V AC, 50/60 Hz

2: 21..53 V AC / V DC

AK30 1 1

AK32 1 1

Manual ver 2.0 6

2. INSTALLATION

2.1. Preliminary aspects

The unit is connected with the instrument installed in its final

place of use. To avoid electrical discharges while connecting, connect

the instrument to the power supply in the last wiring operation. The

installation must include at least one 1ª, 250 V bipolar switch, which must

be close to the instrument and easily accessible for the operator. It must

be marked as an instrument switch. Likewise, a 200 mA, 250 V fuse must

be installed in the power supply wiring (isolation cable of at least 1000 V).

The following recommendations should be followed as far as

possible:

-The instrument must be connected in the absence of power supply.

-Do not install the instrument close to moving parts, contacts or

motor starters.

-Try to avoid mechanical vibrations.

-For the signal lines, it is recommendable to use a screened cable

with a ground connection at a single point.

-It is important to check the configuration of the instrument if any

problem appears in the starting.

Any installation or use of the instrument other than that specified

in this manual may affect the protection levels of the unit.

Power supply

Manual ver 2.0 7

2.2. Input and output configuration

The instruments of the are entirely configurable, so it is necessary

to make sure before starting that the configuration of the instrument

corresponds to the application for which it is intended.

Follow the steps in chapter 3 to change the configuration of the

input or sensor signal.

2.3. Panel assembly

The instrument must be installed in a panel with a maximum

thickness of 8 mm. Its location must be subject to as little vibration as

possible and it must be ensured that the ambient temperature remains

between 0 and 50ºC.

Insert the instrument in the panel hole and hold it firm while, with

a screwdriver, you tighten the fixing clips on the interior wall of the panel.

To install more than one instrument, a minimum separation must be left

between instruments of 10 mm vertically and 20 mm horizontally.

Manual ver 2.0 8

3. INPUTS / OUTPUTS

3.1. Signal input options.Examples.

This chapter diagrammatically describes the connection of the

different options for the input signal.

Thermocouple input connections

Thermosresistance input connections

Manual ver 2.0 9

Connection for the linear voltage input

Connection for the linear current input

Connection for the pressure transducer

input

Manual ver 2.0 10

Connection for the extensiometric

gauge input

3.2 Configuration of the different inputs

Each instrument is default configured for a type J input (Fe-

CuNi). It is possible to change the set-up of the type of input simply with

the INP parameter from the menu. In the AK32, the second channel

always shows the reading of the pressure transducer.

INP

Value

Meaning

0 J : 0..600°C (Fe-CuNi, IEC584)

1 L : 0..600°C (Fe-CuNi, DIN43710)

2 K: 0..1200°C (NiCr-NiAl, IEC584)

3 N: 0..1200°C (NiCrSi-NiSi, IEC584)

4 T: 0..400°C (Cu-CuNi, IEC584)

5 R: 0..1600°C (Pt/13%Rh-Pt, IEC584)

6 S: 0..1600°C (Pt/10%Rh-Pt, IEC584)

7 RTD, Pt100: -200..600°C (IEC751)

8 RTD, Pt100: -99,9..200,0°C (IEC751)

9 Voltage V DC 0..5 V (Impedance >1 Mohm)

10 Voltage V DC 0..10 V (Impedance >1 Mohm)

11 Current loop 0..20 mA (load 150 ohm)

12 Current loop 4..20 mA (load 150 ohm)

13 Pressure transducer ( only AK30 )

14 Extensiometric gauge 350 ohm( only AK30 )

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