ACS TVA-080 Manuel utilisateur

Technical manual BA 0318

Signal converter

TVA – 080 / 100 / 120 / 180 / 200 / 220

Isolation amplifier – active

for galvanic isolation, conversion and

adjustment of electrical standard signals

Evaluable input signals

 Direct voltage 0...10V / 0...1V / -5...+5V / -0,5...+0,5V

 Direct current 0...20mA / 4...20mA / -10…+10mA

 Pulse frequency modulated (PFM) current signal 90...520Hz

Output signals

 Direct voltage 0…10V / 2…10V – simultaneous outputs

 Direct current 0…20mA / 4…20mA - simultaneous outputs

Signal adjustment of zero value and amplification – optional

Single or double channel version – optional

Integrated measurand transducer supply – optional

Space saving safe isolation with 4kV~

Wide range power supply from 20 to 253V AC and DC

L a u t e r b a c h s t r . 5 7 – 84307 E g g e n f e l d e n – G e r m a n y

Tel: +49 8721/9668-0 – F a x : + 4 9 8 7 2 1 / 9 6 6 8 - 30

i n f o @ a c s - c o n t r o l s ys t e m . d e – w w w . a c s - c o n t r o l s ys t e m . d e

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 2 of 8

Index

Order code .................................................................................................................... 2

Application ................................................................................................................... 3

Function ........................................................................................................................ 3

Safety notes .................................................................................................................. 4

Installation .................................................................................................................... 4

Maintenance ................................................................................................................. 4

Repair ............................................................................................................................ 4

Electrical connection ................................................................................................ 5 / 6

Operation and display elements ................................................................................... 7

Technical data ............................................................................................................... 8

Order code

TVA – 080 – U0 Version single channel device, adjustable

TVA – 100 – U0 Version single channel device, adjustable, with measurand transducer supply

TVA – 180 – AB – U0 Version single channel device, fix adjusted

TVA – 120 – AB – U0 Version single channel device, fix adjusted, with measurand transducer supply

Input

code no. A

Output

code no. B

0…10V

0…20mA

4…20mA

90…520Hz – PFM

special range

TVA – 200 – U0 Version double channel device, adjustable, with measurand transducer supply

TVA – 220 – ABCD – U0 Version double channel device, fix adjusted, with measurand transducer supply

Input 1

order no. A

Input 2

order no. B

Output 1

order no. C

Output 2

order no. D

0…10V

0…20mA

4…20mA

special

TVA –

080 – U0

TVA –

180 – U0

TVA –

100 – U0

TVA –

120 – U0

TVA –

200 – U0

TVA –

220 – U0

Fix adjusted version

Adjustable version

Measurand transducer supply

Single channel version

Double channel version

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 3 of 8

Application

The active isolation amplifier of the series TVA is used, dependent on version, for galvanic isolation of electrical

standard signals 0..10V / 0..1V / -5..+5V / -0,5..+0,5V / 0..20mA / 4..20mA / -10..+10mA or a pulse frequency

modulated (PFM) current signal 90...520Hz or for convert it into another standard signal or to adjust the signals

in the zero value and/or end value resp. amplification.

A galvanic isolation is sometimes the only possibility at error generating ground loops, unwished signal

overlapping and potential problems.

Thus, a current flow between more signal current circuits that distort the signal is avoided.

The free configurable resp. fix signal conversion, dependent on version, allows the flexible adaption of different

systems among each other, e.g. for connection of a 2-wire-measurand transducer with a current signal 4...20mA

to the input 0...10V of a SPS control.

The adjustable version is suitable, if sections, e.g. 5...14mA of a standard signal 4...20mA at the input should

amplified to a complete standard signal e.g. 4...20mA or e.g. for zero value adjustment of a fix adjusted

measurand transducer e.g. because of a position dependent zero value shifting.

At the versions TVA – 200 – U0 / TVA – 220 – U0 in one device there can be two electrical signals simultaneous

transmitted separately or one electrical standard signal can be doubled into two separated electrical standard

signals by parallel or series connection.

The signal input for pulse frequency modulated (PFM) current signal 90...520 Hz in combination with

corresponding measurand transducer resp. signaling transmitter is especially suited for long transmission links

of several 1000 m. The special type of the signal makes in insensitive against the negative characteristics of

cables, that occurs only at higher length, like e.g. resistance and inductivity as well as error current through the

isolation.

Function

Measuring principle

Version TVA – 080 – U0 / TVA – 100 – U0 / TVA – 200 – U0 – adjustable version

The connected electrical standard signal 0..10V / 0..1V / -5..+5V / -0,5..+0,5V / 0..20mA / 4..20mA / -10..+10mA

is measured by the evaluation circuit, adjusted according to the front-sided trimmer and transmitted galvanically

isolated to the simultaneous output signals 0...10V and 0...20mA or 2...10V and 4...20mA according to the

settings of the internal configuration switches.

The respective current resp. voltage signals at the output can be used simultaneous. Therefore there are

simultaneous 2 output signals at the single channel versions TVA – 080 – U0 / TVA – 100 – U0 and

simultaneous 4 output signals at the double channel version TVA – 200 – U0 are available.

Examples:

 TVA – 100 – U0 Input signal: 0...10V is converted to output signal: 0...10V / 0...20mA

 TVA – 100 – U0 Input signal: 5...18mA is converted to output signal: 2...10V / 4...20mA

 TVA – 200 – U0 Input signal 1: 0...10V is converted to output signal 1: 0...10V / 0...20mA and

Input signal 2: 4...18mA is converted to output signal 2: 2...10V / 4...20mA

Version TVA – 120 – U0 / TVA – 180 – U0 / TVA – 220 – U0 – fix adjusted version

The connected electrical standard signal 0..10V / 0..20mA / 4..20mA or the pulse frequency modulated (PFM)

current signal 90...520Hz (not for the version TVA – 220 – U0) is transmitted by the evaluation circuit

galvanically isolated to the output signal 0...10V or 0...20mA or 4...20mA.

Examples:

 TVA – 120 – U0 Input signal: 0...10V is converted to output signal: 0...10V

 TVA – 120 – U0 Input signal: 90...520Hz is converted to output signal: 4...20mA

 TVA – 220 – U0 Input signal 1: 0...10V is converted to output signal 1: 0...10V and

Input signal 2: 4...20mA is converted to output signal 2: 0...20mA

Measurand transducer supply

Version TVA – 100 – U0 / TVA – 120 – U0 / TVA – 200 – U0 / TVA – 220 – U0

The integrated measurand transducer supply allows the direct connection and thus the supply of 2-wire and 3-

wire transmitter.

At the versions TVA – 200 – U0 / TVA – 220 – U0 the measurand transducer supply is two times available, one

for each channel separately.

Version TVA – 080 – U0 / TVA – 180 – U0

A measurand transducer supply is not available.

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 4 of 8

Safety notes

Each person that is engaged with inauguration and operation of this device, must have read and

understood this technical manual and especially the safety notes.

Installation, electrical connection, inauguration and operation of the device must be made by a qualified

employee according to the informations in this technical manual and the relevant standards and rules.

The device may only be used within the permitted operation limits that are listed in this technical manual.

Every use besides these limits as agreed can lead to serious dangers.

The device meets the legal requirements of all relevant EC directives.

Installation

The device is conceived for vertical installation on a standard fastening rail acc. to DIN EN 60715 TH 35-7,5

resp. TH 35-15.

DIN EN 60715 TH 35-7,5

DIN EN 60715 TH 35-15

The device must be installed protected against dust and humidity, e.g. in control stations or in a suitable

protection housing with a minimum protection classification IP55 acc. to DIN EN 60529.

The devices must be installed wheather and stroke protected, ideally at places without direct solar radiation.

This is especially important in warm climatic regions.

Maintenance

The device is free of maintenance.

Repair

A repair may only be carried out by the manufacturer. When sending back the device, add a note with the

description of the error and the application.

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 5 of 8

Electrical connection

The electrical connection of the device must be carried out according to the respective country specific

standards. Incorrect installation or adjustment could cause applicationally conditioned risks.

Power supply input, measuring input and signal output channels are safe galvanically isolated from each other.

This is also valid for both measuring input and signal output channels among each other.

Connection of the signaling transmitter resp. measuring transducer – measuring inputs

For the two, three or four-wire connection cable between the isolation amplifier and the signaling transmitter

resp. measuring transducer a standard installation cable or multi-wire cable for measuring intends with a

maximum of 25  per wire can be used.

The use of a shielded signal cable is recommended, if strong electromagnetic influences could happens, e.g.

due to machines or radio equipment. In that case the shielding of the cable should be connected to earth only at

the side of signaling transmitter resp. measuring transducer.

The signal cable should be installed separated from power leading wires.

The connected signaling transmitter resp. measuring transducer can be, dependent on version, powered by the

integrated measuring transducer supply. The supply is overload and short circuit protected.

The maximum values of the inputs at the isolation amplifier (current input maximum 400mA - 30V / voltage input

50V) must not be transgressed. The current input is equipped with a self resetting fuse.

At activation of the fuse the signal current wire must be disconnected for app. 5 seconds.

Terminal occupation

Connection scheme

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 6 of 8

Electrical connection

Connection of the output

For the two-wire connection cable between the isolation amplifier and the connected devices a standard

installation cable or multi-wire cable for measuring intends with a maximum of 25  per wire can be used.

The use of a shielded signal cable is recommended, if strong electromagnetic influences could happens, e.g.

due to machines or radio equipment. In that case the shielding of the cable should be connected to earth only at

the side of the connected device. When connecting a SPS input stage there must be paid attention that mostly

the signal circuit must be connected to earth by connection the minus terminal with measuring earth.

The signal cable should be installed separated from power leading wires.

For inauguration it is suggested, to deactivate all connected control devices, to avoid unwanted control reactions.

Connection of the power supply voltage

Due to the integrated wide range power supply, for connection to supply voltages from 20...253V AC / DC, the

isolation amplifier is suitable for using in all common energy supply networks.

The connection is reverse polarity protected.

A fuse is integrated internally at the power supply circuit. Due to this the installation of a fine protection is not

necessary.

Terminal occupation

Connection scheme

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 7 of 8

Operation and display elements

Function indicator

 ON  green LED  ready status, power supply voltage on

Trimmer

For adjustment of zero and end value per channel. Only available at versions TVA – 080 / 100 / 200.

For an accurate results the adjustment zero value – end value must be proceeded repeatedly with connected signal,

because zero and end value adjustment effects each other.

Configuration switches

The configuration of the input and output signal ranges is made per dip switches inside the housing.

Dangerous voltage

Ensure a safe switching off the supply voltage when opening the housing

For configuration release the upper housing part at top and bottom side behind the terminals by using a screwdriver and pull

it out of the housing. Drop-in pin's avoid a complete pulling out. Following the respective dip switches can be set according to

the desired functions to ON or OFF.

Input signal range channel 1 switcher block SB1

Switch 1, 2, 3 (SB1)  measuring range

switching state S1

switching state S2

switching state S3

measuring range CH 1

OFF

-0,5...+0,5V / -10...+10mA

OFF

4...20mA

OFF

0...1V / 0...20mA

OFF

-5...+5V / -10...+10mA

OFF

0...10V / 0...20mA

Input signal range channel 2 switcher block SB3

Switch 1, 2, 3 (SB3)  measuring range

switching state S1

switching state S2

switching state S3

measuring range CH 2

OFF

-0,5...+0,5V / -10...+10mA

OFF

4...20mA

OFF

0...1V / 0...20mA

OFF

-5...+5V / -10...+10mA

OFF

0...10V / 0...20mA

Output signal range channel 1 switcher block SB1

Switch 4 (SB1)  signal range

switch

switching state ON

switching state OFF

0...10V / 0...20mA

2...10V / 4...20mA

Output signal range channel 2 switcher block SB3

Switch 4 (SB3)  signal range

switch

switching state ON

switching state OFF

0...10V / 0...20mA

2...10V / 4...20mA

Channel 2

Trimmer for zero and

end value adjustment

only at version

TVA – 200

Function indicator

1 LED for indication of

ready status

Channel 1

Trimmer for zero and

end value adjustment

only at version

TVA – 080 / 100 / 200

Configuration switch

inside the housing

only at versions

TVA – 080 / 100 / 200

TVA – 080 / 100 / 120 / 180 / 200 / 220

page 8 of 8

Technical data

Auxiliary power supply

Permitted supply voltage: 20 V to 253 V AC / DC 48...62 Hz, reverse polarity protected

Power consumption:  3 VA / 1,5 W (TVA – 080 / 180) resp.  5 VA / 3 W (TVA –100 / 120) resp.

 7 VA / 5 W (TVA – 200 / 220)

Overvoltage category: II acc. to DIN EN 61010-1

Protection classification: II double or reinforced insulation

Isolation voltage: 4kV~ auxiliary power to signal inputs to signal outputs

Galvanic isolation: All supply, input and output channels among each other as well as both input and

output channels from each other are safe galvanically isolated.

Signal input (1x resp. 2x available, depends on version)

Direct voltage: 0…10 V / 0...1 V / -5...+5 V / -0,5...+0,5 V / max. 50V / input resistance 1,1M

Direct current: 0…20mA / 4…20mA / -10...+10mA / max. 400mA at 30V

self-resetting fuse / input resistance 25 + 0,2V

PFM modulated current signal: 90...520 Hz, overlapping current pulse 5mA10%, TPulse=110µs20%

Measurand transducer supply: overload and short circuit protected

 TVA – 100 / 120 3- wire-sensor:  18,7V at 20mA  18,3V at 27,5mA min. 27,5mA / max. 25V

2- wire-sensor:  18,3V at 20mA  17,9V at 27,5mA min. 27,5mA / max. 25V

 TVA – 200 / 220 3- wire-sensor:  17,6V at 20mA  17,5V at 22,5mA min. 22,5mA / max. 25V

2- wire-sensor:  17,3V at 20mA  17,1V at 22,5mA min. 22,5mA / max. 25V

Signal output (1x resp. 2x available, depends on version)

Direct voltage: 0…10 V / 2...10 V, max. 17V, overload and short circuit protected

Permitted load direct voltage:

 TVA – 080 / 100 / 120 / 180 RL  1250 at 10V / RL  2000 at 10V (at simultaneous output Iout with 20mA)

 TVA – 200 / 220 RL  3333 at 10V / RL  6666 at 10V (at simultaneous output Iout with 20mA)

Direct current: 0…20mA / 4…20mA, max. 28mA

Permitted load direct current:

 TVA – 080 / 100 / 120 / 180 RL  880 at 20mA / RL  680 at 20mA (at simultaneous output Uout with 5mA)

 TVA – 200 / 220 RL  570 at 20mA / RL  530 at 20mA (at simultaneous output Uout with 1,5mA)

Adjustment range zero value: –25...+5% of respective nominal measuring range

Adjustment range end value: –5...+45% of respective nominal measuring range

Transmission frequency:  500 Hz

Limit value deviation:  0,2% of factory calibrated measuring range (delivery setting)

Range changing deviation:  2% of respective nominal measuring range

Characteristic deviation:  0,05% of respective nominal measuring range

Temperature deviation:  0,05% / 10 K of respective nominal measuring range

Long term deviation:  0,1% of respective nominal measuring range / year

Influence output load:  0,05% of respective nominal measuring range

Materials

Connection housing: PA – polyamide

Terminal housing: PA – polyamide

Sticker: PE – polyester

Connection terminals

Number: 3 resp. 4 terminal blocks with each 4 terminals, everlasting screws

Connection cross-section: maximum 1 x 2,5 mm or 2 x 1,5 mm

Housing style

Housing: Series installation housing, 22,5mm wide

Weight: 100 g

Environmental conditions

Environmental temperature: Single installation – 40°C...+70°C versions TVA – 080 / 100 / 120 / 180

– 40°C...+60°C versions TVA – 200 / 220

Series installation – 40°C...+60°C versions TVA – 080 / 100 / 120 / 180

– 40°C...+50°C versions TVA – 200 / 220

Climatic classification: 3K3 resp. 3M2 DIN EN 60721-3-3

Protection classification: IP20 DIN EN 60529

EM – compatibility: emission DIN EN 61326-1 operation device class B

immunity DIN EN 61326-1 industrial range

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