Senso AK30 Bedienungsanleitung
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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