Gossen Metrawatt SINEAX V620 Handleiding

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SINEAX V620

Universal Signal Converter

for mA, V, TC, RTD, Ω 163 022 05.15

General characteristics

• Universal input: voltage, current, thermocouples, thermoresistences, potentio-

meter, rheostat.

• Sensor powered by 2-wire technique: 20 V DC stabilised, 20 mA max. with

short-circuit protection.

• Measurement and re-transmission on isolated analog output, with voltage and

current output.

• DIP-switch for selecting: type of input, START-END, output mode (zero eleva-

tion, scale inversion), output voltage type (mA or V).

• Front panel indicating: power on, off scale or setting error, alarm status.

• Relay (spst) output, programmable through PC.

• STROBE input to activate the analog output on PLC command (alternatively to

alarm contact).

• Facility for programming the following with a PC: beginning and end scale, ad-

ditional input types, square root extraction, ﬁ lter, burn-out etc.

• 3-point insulation: 1500 V AC.

Technical data

Power supply 10…40 V DC, 19…28 V AC, 50…60 Hz, max. 2.5 W; 1.6 W

at 24 V DC with 20 mA output

Voltage input Bipolar from 75 mV up to 20 V in 9 scales,

input impedance 1 MΩ, resolution max. 15 bits + sign

Current input Bipolar up to 20 mA, input impedance 50 Ω,

resolution max. 1 μA

Thermoresistance (RTD)

input PT100, PT500,

PT1000, Ni100, KTY81,

KTY84, NTC

2, 3 or 4 wires measurement, energising current 0.56 mA,

resolution 0.1 °C, automatic detection of cable interruption or

RTD. Resistive value for NTC: < 25 kΩ.

KTY81, KTY84 and NTC may be set only via software

Thermocouple input Type J, K, R, S, T, B, E, N; resolution 2.5 μV, automatic detection of

TC interruption, input impedance >5 MΩ

Rheostat input Full scale min. 500 Ω, max. 25 kΩ

Potentiometer input

Excitation voltage 300 mV, input impedance > 5 MΩ,

potentiometer value from 500 Ω to 100 kΩ (with the aid of a

parallel resistence equal to 500 Ω)

Sampling frequency Variable from 240 sps with 11 bits resolution + sign to

15 sps with 15 bits + sign resolution (typical values))

Response time 35 ms with 11 bits resolution, 140 ms with 16 bits resolution

(measurement of voltage, current, potentiometer)

Output

I: 0…20/4…20 mA, max. load resistance 600 Ω

V: 0…5/0…10/1…5/2…10 V, min. load resistance 2 kΩ

Resolution 2.5 μA / 1.25 mV

Relay output (spst) Capacity: 1 A … 30 V DC / V AC

Environmental conditions Temperature: -20…60 °C, humidity min. 30%, max. 90%

at 40 °C non condensing (see «Installation instructions»)

Errors referred to max.

measuring range

Calibration

error

Thermal

coefﬁ cient Linearity error Others

Input for voltage/current 0.3%

0.01% / °K

0.05% EMI: < 1%

Input for PTCs J, K, E, T, N 0.5% 0.2 °C

+(2) EMI: <1%Input for PTCs R, S 0.5% 0.5 °C

Input for PTC B (4) 0.5% 1.5 °C

Cold junction compensation 2 °C in ambient range 0 to 50 °C

Potentiometer/resistor 0.3%

0.01% / °K

0.1% EMI: < 1%

Input for thermoresis-

tance (5) 0.3% t > 0°C 0.02%

t < 0°C 0.05% (1) EMI: < 1%

Voltage output (3) 0.3% 0.01%

Data memory EEPROM for all conﬁ guration data; storage time: 40 years

Standards:

EN 61000-6-4/2007 (electromagnetic emission, industrial environment)

EN 61000-6-2/2005 (electromagnetic immunity, industrial environment)

EN 61010-1/2001 (safety)

All circuits are to be safety isolated from hazardous live by double insulation. The power supply

transformer must comply with EN 60742: Isolating transformers and safety isolating transfor-

mers requirements.

Notes:

– Use with copper conductor

– Use in pollution degree 2 environment

– Power supply must be Class 2

– When supplied by an isolated limited voltage/limited current power supply a fuse rated

max. 2.5 A shall be installed in the ﬁ eld.

(1) Inﬂ uence of cable resistance 0.005%/Ω, max. 20 Ω

(2) Inﬂ uence of cable resistance 0.1 μV/Ω

(3) Values to be added to the errors of the selected input

(4) Output zero if t < 400 °C

(5) All the values have to be calculated on the resistive value

Selection input / measuring scale

The type of input is selected by setting the SW1 DIP-switch group at the side

of the module.

Every type of input is matched to a certain number of scale beginnings and ends

values which can be selected with the SW2 group.

The table below lists possible START and END values according to the type of

input selected.

Note for all following tables:

The indication indicates that the DIP-switch is set in position ON.

No indication is provided when the DIP-switch is set in position OFF!

SW1: INPUT TYPE SW2: START and END

Input type Input type START END

1234 1234 123 456

V Tc K 1 1

Ω/Rheostat Tc R 2 2

mA Tc S 3 3

Ni100 4 4Tc T

PT100 Tc B 5 5

PT500 Tc E 6 6

PT1000 Tc N 7 7

Tc J Potentiometer 8 8

SW2

Voltage Resistance/

Rheostat Current Potentiometer

START END START END START END START END

1 (*) (*) (*) (*) (*) (*) (*) (*)

2 0 V 100 mV 0 Ω 1 kΩ 0 mA 1 mA 0% 40%

3 400 mV 200 mV 0.5 kΩ 2 kΩ 1 mA 2 mA 10% 50%

4 1 V 500 mV 1 kΩ 3 kΩ 4 mA 3 mA 20% 60%

5 2 V 1 V 2 kΩ 5 kΩ -1 mA 4 mA 30% 70%

6 -5 V 5 V 5 kΩ 10 kΩ -5 mA 5 mA 40% 80%

7 -10 V 10 V 10 kΩ 15 kΩ -10 mA 10 mA 50% 90%

8 -20 V 20 V 15 kΩ 25 kΩ -20 mA 20 mA 60% 100%

Ni100 (RTD) PT100 (RTD) PT500 (RTD) PT1000 (RTD)

START END START END START END START END

1 (*) (*) (*) (*) (*) (*) (*) (*)

2 -50 °C 20 °C -200 °C 50 °C -200 °C 0 °C -200 °C 0 °C

3 -30 °C 40 °C -100 °C 100 °C -100 °C 50 °C -100 °C 50 °C

4 -20 °C 50 °C -50 °C 200 °C -50 °C 100 °C -50 °C 100 °C

5 0 °C 80 °C 0 °C 300 °C 0 °C 150 °C 0 °C 150 °C

6 20 °C 100 °C 50 °C 400 °C 50 °C 200 °C 50 °C 200 °C

7 30 °C 150 °C 100 °C 500 °C 100 °C 300 °C 100 °C 300 °C

8 50 °C 200 °C 200 °C 600 °C 150 °C 400 °C 200 °C 400 °C

Thermocouple J Thermocouple K Thermocouple R Thermocouple S

START END START END START END START END

1 (*) (*) (*) (*) (*) (*) (*) (*)

2 -200 °C 100 °C -200 °C 200 °C 0 °C 400 °C 0 °C 400 °C

3 -100 °C 200 °C -100 °C 400 °C 100 °C 600 °C 100 °C 600 °C

4 0 °C 300 °C 0 °C 600 °C 200 °C 800 °C 200 °C 800 °C

5 100 °C 400 °C 100 °C 800 °C 300 °C 1000 °C 300 °C 1000 °C

6 200 °C 500 °C 200 °C 1000 °C 400 °C 1200 °C 400 °C 1200 °C

7 300 °C 800 °C 300 °C 1200 °C 600 °C 1400 °C 600 °C 1400 °C

8 500 °C 1000 °C 500 °C 1300 °C 800 °C 1750 °C 800 °C 1750 °C

Thermocouple T Thermocouple B Thermocouple E Thermocouple N

START END START END START END START END

1 (*) (*) (*) (*) (*) (*) (*) (*)

2 -200 °C 50 °C 0 °C 500 °C -200 °C 50 °C -200 °C 200 °C

3 -100 °C 100 °C 500 °C 600 °C -100 °C 100 °C -100 °C 400 °C

4 -50 °C 150 °C 600 °C 800 °C 0 °C 200 °C 0 °C 600 °C

5 0 °C 200 °C 700 °C 1000 °C 100 °C 300 °C 100 °C 800 °C

6 50 °C 250 °C 800 °C 1200 °C 150 °C 400 °C 200 °C 1000 °C

7 100 °C 300 °C 1000 °C 1500 °C 200 °C 600 °C 300 °C 1200 °C

8 150 °C 400 °C 1200 °C 1800 °C 400 °C 800 °C 500 °C 1300 °C

(*) START or END are set in the memory with the PC or with the programming

push-buttons.

N.B.: DIP-switches must be set while the module is powered down, other-

wise, the module may be damaged!

Setting START and END at will

The START and END push-buttons under the SW2 DIP-switch group allow to set

the beginning and end scale at will within the scale pre-set through the DIP-swit-

ches. To obtain this facility it is necessary to use a suitable signal generator, able

to furnish the desidered values of beginning and end scale.

The procedure is following:

1. Set through DIP-switches, the type of input, START and END measurement

which include the required beginning and end values.

2. Power up the module.

3. Supply a calibrator or simulator of the signal you wish to measure and retrans-

mit.

4. Set the required START value on the calibrator (or other instrument).

5. Press the START push-button for at least 3 sec. The green LED on the front

panel ﬂ ashes to indicate the value has been stored.

6. Repeat points 4 and 5 for the required END value.

7. Cut power to the module and set to OFF position the DIP-switches of group

SW2, correspondent to the settings of START and END values.

The module is now conﬁ gured for the required start and end scale. To reprogram

it (e.g. for a different type of input) repeat the whole procedure.

Selecting output

DIP-switches numbers 7 and 8 of the SW2 group enable you to set the output

with or without zero elevation, or as a normal or reversed output. The SW3 DIP-

switch group enables you to select the output type.

N.B.: DIP-switches must be set while the module is powered down, avoiding

electrostatic discharges, otherwise the module may be damaged.

SW2 Output mode SW3 Output

7 1 2

0…20 mA / 0…10 V Voltage

4…20 mA / 2…10 V Current

Normal

Reversed

Setting with a PC

By using a PC and V620/V622-C software, it is possible to set other normally

ﬁ xed parameters in addition to start and end scale.

• Additional input types

• Digital ﬁ lter (normally disabled)

• Square root extraction (normally disabled)

• Negative burn-out (normally positive)

• Alarm (normally set as error signalling)

• Start and end scale of the analog output

• Value of the analog output in case of error

• Rejection programmable for 50 or 60 Hz mains frequency (normally set to

50Hz)

• Sampling frequency/resolution (normally set to 15 sps/16 bits)

• 3 or 4 wires measure for thermal resistance (normally set to 3 wires)

• Action of the digital output alarm in case of fault.

Instructions for setting and for the connection cable are supplied with the soft-

ware (to be requested as an accessory item).

LED indication on the front

Green LED Meaning

Flashing

(freq: 1 ﬂ ash/s) Out range, burn-out or internal fault

Flashing

(freq = 2 ﬂ ashes/s) Error on DIP-switches setting

Steady ON Indicates the presence of power supply

Yellow LED Meaning

Steady ON Alarm signalling (relay contact opened)

OFF No alarm (relay contact closed)

Electrical connections

Power supply

Power supply voltage must be in the range 10 to

40 V DC (at any polarity), 19 to 28 V AC; also see

section “Installation instructions”.

The upper limits must not be exceeded, to

avoid serious damage to the module. Protect

the power supply source against possible damage of the module by using a fuse

of suitable size.

19 ÷ 28 VAC

10 ÷ 40 VDC

2.5 W max.

Current input Voltage input

mA input

mA input (2 wire)

V input

The loop is powered by

the sensor

The loop is powered by

the module

Thermocouple

input Thermoresistance input

NTC, KTY81,

KTY84

PT100, Ni100, PT500, PT1000

mV/TC input

RTD 2 wire

8 RTD 3 wire

8 RTD 4 wire

Potentiometer/rheostat input Strobe input (7)

8 4

12…24 VDC

With resistance R = 500 Ω (not provided), P = 500 Ω ÷ 100 kΩ

Re-transmitted output

Relay output (10)

Voltage Generated

current (8)

External power supply

current (9)

V output

mA output

+ mA output

1A - 30 V

(7) As alternative to the relay output. It is isolated from the other circuits and

enables the current analog output. It may be used to multiplex a PLC input

on an V620. To enable it see “Settings through internal bridges”.

(8) Active output (powered) to connect to passive inputs.

(9) Unpowered passive output to be connected to active inputs. To enable it,

see “Settings through internal bridges”

(10) As alternative to STROBE input; relay contact normally closed, opened in

event of alarm.

INTERNAL BRIDGES POSITION SETTINGS THROUGH INTERNAL BRIDGES

ACTIVE / PASSIVE OUTPUT

RELAY OUTPUT / STROBE INPUT

Relay Output STROBE Input

Active Output Passive Output

SW1

SW2

SW3

J9 J9

J3 J1 J3 J1

Installation instructions

The module was designed for ﬁ tting to guide 46277, in a vertical position. For

optimum operation and long life, make sure adequate ventilation is provided for

the module/s, avoiding placing raceways or other objects which could obstruct

the ventilation grilles. Do not install the modules above appliances generating

heat we advise you to install in the lower part of the panel.

Severe operating conditions

Severe operating conditions are as follows:

• High power supply voltage (> 30 V DC / > 26 V AC).

• Power supply of the sensor at input.

• Use of the output on generated current.

When modules are installed side by side, it may by necessary to separate them

by at least 5 mm in the following cases:

• If panel temperature exceed 45 °C and at least one of the severe operating

conditions exists.

• If panel temperature exceed 35 °C and at least two of the severe operating

conditions exists.

Electrical connections

We advise you to use shielded cables for connecting signals. The shield must

be connected to an earth wire used speciﬁ cally for instrumentation. Moreover,

it is good practice to avoid routing conductors near power appliances such as

inverters, motors, induction ovens, etc.

Phone. +41 56 618 21 11

Camille Bauer Metrawatt AG Fax +41 56 618 21 21

Aargauerstrasse 7 info@cbmag.com

CH-5610 Wohlen/Switzerland www.camillebauer.com

Product specificaties

Merk:	Gossen Metrawatt
Categorie:	Niet gecategoriseerd
Model:	SINEAX V620

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