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Sig­nal In­puts for Vi­bra­tion Mea­sure­ment

The input mod­ules on the IfTA plat­form cap­ture sen­sor sig­nals quick­ly and with­out in­ter­fer­ence. The AD4-fam­i­ly of input mod­ules offer the high­est sig­nal qual­i­ty through true 24-bit AD con­ver­sion. Vi­bra­tion phe­nom­e­na can be de­tect­ed syn­chronous­ly with up to 204.8 kHz, on up to 32 chan­nels. These can also be sup­ple­ment­ed with input mod­ules for slow ana­log or dig­i­tal sig­nals. For high­ly ac­cu­rate mea­sure­ment of an­gu­lar mo­men­tum, the AT2 High Speed Timer input mod­ule is also avail­able. Its out­stand­ing pre­ci­sion and ver­sa­til­i­ty was award­ed 2nd place at the messtec + sen­sor mas­ters award 2017.

Tor­sion­al vi­bra­tion mod­ule

 

Overview of Input Mo­d­ules

Sig­nal Ac­qui­si­tion

Eingangskarte Ad4IEPE

AD4IEPE

  • Mea­sure­ment of high­ly dy­nam­ic vi­bra­tion sig­nals 
  • 4 fast syn­chro­nous ana­log in­puts (volt­age, cur­rent)
  • Sam­pling rate of up to 204.8 kHz
  • Gal­van­ic iso­la­tion per chan­nel
  • Switch­able IEPE sup­ply per chan­nel
  • For ATEX-cer­ti­fied mea­sure­ment chains with IfTA charge am­pli­fi­er

 More In­for­ma­tion

Input module AD4PS

AD4PS

  • Mea­sure­ment of high­ly dy­nam­ic vi­bra­tion sig­nals 
  • 4 fast syn­chro­nous ana­log in­puts (volt­age, cur­rent)
  • Sam­pling rate of up to 204.8 kHz
  • Gal­van­ic iso­la­tion per chan­nel
  • Switch­able IEPE sup­ply and volt­age source per chan­nel

More in­for­ma­tion

Eingangskarte IfTA AD4Pro

AD4Pro

  • Mea­sure­ment of high­ly dy­nam­ic vi­bra­tion sig­nals 
  • 4 fast syn­chro­nous, ana­log in­puts (volt­age, cur­rent, IEPE, charge, strain gauge, Kulite = FleXense Tech­nol­o­gy)
  • Sam­pling rate of up to 204.8 kHz
  • Gal­van­ic iso­la­tion per chan­nel
  • Switch­able IEPE sup­ply per chan­nel

More In­for­ma­tion

AT2 High speed Timer

AT2

  • Mea­sure­ment of tor­sion­al and lat­er­al vi­bra­tions
  • 2 fast syn­chro­nous, ana­log in­puts (volt­age)
  • Sam­pling rate of up to 100 MHz (10 ns time res­o­lu­tion and 204.8 kHz im­pulse rate)
  • Gal­van­ic iso­la­tion per chan­nel

More In­for­ma­tion

Eingangskarte IfTA DigIn16

DigIn16

  • Mea­sure­ment of stat­ic sig­nals
  • 16 dig­i­tal in­puts (ex­ter­nal switch/source)
  • Sam­pling rate of up to 50 Hz
  • Gal­van­ic iso­la­tion per chan­nel

More In­for­ma­tion

Input module TI4

TI4

  • Tem­per­a­ture mea­sure­ment by ther­mo cou­ples or re­sis­tance ther­mome­ters
  • 4 ana­log in­puts
  • Sam­pling rate of up to 5 Hz
  • Gal­van­ic iso­la­tion per chan­nel

More In­for­ma­tion

Input module AD16

AD16

  • Mea­sure­ment of op­er­at­ing data, e.g. power, flow, ro­ta­tion speed, sup­ply volt­age, etc.
  • 16 ana­log in­puts (volt­age, cur­rent)
  • Sam­pling rate of 5 Hz
  • Four gal­van­i­cal­ly iso­lat­ed zones (zone 1: chan­nel 1-4, zone 2: chan­nel 5-8, ...)

More In­for­ma­tion

Sig­nal Ac­qui­si­tion: Vi­bra­tion Sig­nals with IEPE Sup­ply

AD4IEPE

  • Overview
  • Tech­ni­cal Spec­i­fi­ca­tions
  • Op­tions
  • Ex­am­ples of Ap­pli­ca­tions

High­lights

  • Mo­d­ule with 4 syn­chro­nous ana­log in­puts
  • 204.8 kHz sam­pling rate with 24-bit res­o­lu­tion for fast and pre­cise sig­nal ac­qui­si­tion
  • Mea­sure volt­age and cur­rent di­rect­ly
  • In­de­pen­dent gal­van­i­cal­ly iso­lat­ed in­puts
  • Per chan­nel switch­able IEPE power sup­ply of 4, 8 or 12 mA. IEPE is an in­dus­try stan­dard also known as: ICP©, CCLD©, IsoTron©, DeltaTron© or Piezotron©

Ad­van­tages of the AD4IEPE input mod­ule

  • Cost-ef­fec­tive input mod­ule
  • Out­stand­ing cal­i­bra­tion
  • Pow­er­ful IEPE source
  • Suitable sup­ply unit for IfTA charge am­pli­fi­er es­pe­cial­ly with Ex nA

Gen­er­al

Num­ber of chan­nels:4
Sam­pling rate:Max. 204.8 kHz (syn­chro­nous per sys­tem)
Anti-Alias­ing:In­te­grat­ed (dig­i­tal FIR fil­ter, cor­ner fre­quen­cy ad­just­ment au­to­mat­i­cal­ly ac­cord­ing to sam­pling rate)
Bit res­o­lu­tion:24-bit
Gal­van­ic iso­la­tion:Up to 100 VDC to ground and up to 200 VDC be­tween chan­nels
Weight:175 g

Cur­rent input

Input im­ped­ance:100 Ω
Switch­able input range:±25 mA, ±44 mA rms
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz

Volt­age input

Input im­ped­ance:1 MΩ, < 100 pF
Switch­able input range:±2.5 V, ±25 V
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz
Switch­able IEPE Sup­ply:4 mA, 8 mA, 12 mA at max. 26.8 V

Sig­nal con­nec­tors

  • Stan­dard 12-pin con­nec­tor with push-In spring clamps
  • Avail­able with op­tion­al BNC (f) in­stead of clamps
  • Other types of con­nec­tors avail­able upon re­quest

Suitable sup­ple­men­tary Com­po­nents

Sta­tion­ary In­stal­la­tions

The AD4IEPE is pri­mar­i­ly used in sta­tion­ary in­stalled in­dus­tri­al ma­chin­ery. Mea­sure­ment sig­nals from ex­ter­nal pre-am­pli­fiers or sig­nal con­vert­ers can be con­nect­ed to the AD4IEPE ei­ther as volt­age sig­nals or as cur­rent sig­nals. Like­wise, com­mon in­dus­tri­al stan­dard sig­nals can be ap­plied di­rect­ly by a con­trol sys­tem (±10 V, 0-10 V, 4-20 mA, etc.). In ad­di­tion the mod­ule of­fers a switch­able IEPE sup­ply on each chan­nel.

Espe­cial­ly when there are large dis­tances be­tween the con­trol room and the mea­sur­ing site, gal­van­ic iso­la­tion is re­quired - not only for the de­sired sig­nal, but also for the volt­age sup­ply of the sen­sor or charge am­pli­fi­er. IEPE tech­nol­o­gy in­cor­po­rates both into a sin­gle 2-wire cable. Espe­cial­ly in ap­pli­ca­tions with large num­bers of mea­sur­ing lo­ca­tions, IEPE enor­mous­ly sim­pli­fies the in­stal­la­tion ef­fort and mea­sure­ment setup.

This stan­dard is ap­plied to sen­sors such as ac­cel­er­a­tion, force and pres­sure sen­sors or mi­cro­phones and dif­fers in its des­ig­na­tion de­pend­ing on the man­u­fac­tur­er. ICP© (in­te­grat­ed cir­cuit piezo­elec­tric), CCLD© (con­stant-cur­rent line-drive), IsoTron©, DeltaTron© or Piezotron© are some ex­am­ples.

Ser­vice

Thanks to the flex­i­ble push-in con­nec­tors, in­stal­la­tion ca­bles can be laid di­rect­ly or with wire end sleeves, with­out the need for time-con­sum­ing con­nec­tor as­sem­bly.

Test bench­es

The AD4IEPE is also rec­om­mend­ed for test bench­es, since gal­van­ic iso­la­tion of the power sup­ply from pre-am­pli­fiers or sen­sors is also ad­van­ta­geous for them: With 2-wire ca­bles, the wiring ef­fort per mea­sur­ing site is ex­treme­ly low, mak­ing wiring easy to man­age and there­fore less prone to er­rors.

Sig­nal Ac­qui­si­tion: Vi­bra­tion Sig­nals with IEPE Power Sup­ply / Volt­age Power Sup­ply for Sen­sors

AD4PS

  • Overview
  • Tech­ni­cal Spec­i­fi­ca­tions
  • Op­tions
  • Ex­am­ples of Ap­pli­ca­tions

High­lights

  • Mo­d­ule with 4 syn­chro­nous ana­log in­puts
  • 204.8 kHz sam­pling rate with 24-bit res­o­lu­tion for fast and pre­cise sig­nal ac­qui­si­tion
  • Mea­sure volt­age and cur­rent di­rect­ly
  • In­di­vid­u­al­ly gal­van­i­cal­ly iso­lat­ed in­puts
  • Per chan­nel switch­able IEPE power sup­ply of 4, 8 or 12 mA. IEPE is an in­dus­try stan­dard also known as: ICP©, CCLD©, IsoTron©, DeltaTron© or Piezotron©
  • Per chan­nel switch­able volt­age source e.g. for sen­sors. In­di­vid­u­al­ly se­cured and ad­justable to 5, 12 or 24 V and op­tion­al­ly in­vert­ible

Ad­van­tages of the AD4PS input mod­ule

  • Ideal com­bi­na­tion of mea­sure­ment and power sup­ply mod­ule
  • Pow­er­ful ad­justable IEPE source
  • Suitable sup­ply unit for IfTA charge am­pli­fi­er and ac­tive sen­sors and iso­la­tion am­pli­fiers
  • Lean mea­sure­ment chain

Gen­er­al

Num­ber of chan­nels:4
Sam­pling rate:Max. 204.8 kHz (syn­chro­nous per sys­tem)
Anti-Alias­ing:In­te­grat­ed (dig­i­tal FIR fil­ter, cor­ner fre­quen­cy ad­just­ment au­to­mat­i­cal­ly ac­cord­ing to sam­pling rate)
Bit res­o­lu­tion:24-bit
Gal­van­ic iso­la­tion:Up to 100 VDC to ground and up to 200 VDC be­tween chan­nels
Weight:290 g

Cur­rent input

Input im­ped­ance:100 Ω
Switch­able input range:±25 mA, ±44 mA rms
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz

Volt­age input

Input im­ped­ance:1 MΩ, < 100 pF
Switch­able input range:±2.5 V, ±25 V
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz
Switch­able IEPE Sup­ply:4 mA, 8 mA, 12 mA at max. 26.8 V

Volt­age sup­ply

Out­put volt­age:In­di­vid­u­al­ly ad­justable per chan­nel 5 V, 12 V or 24 V
Po­lar­i­ty:Switch­able per chan­nel
Volt­age 5 V/12 V:±5 % max. 400 mA elec­tron­i­cal­ly lim­it­ed
Volt­age 24 V:±5 % max. 200 mA elec­tron­i­cal­ly lim­it­ed

Sig­nal con­nec­tors

  • Stan­dard 16 pin con­nec­tor with push-In spring clamps
  • Fur­ther out­put volt­ages avail­able upon re­quest

Suitable sup­ple­men­tary com­po­nents

Sta­tion­ary In­stal­la­tions

The AD4IEPE and AD4PS mod­ules are used in in­dus­tri­al plants for long-time mon­i­tor­ing and pro­tec­tion sys­tems. The AD4PS of­fers a switch­able IEPE sup­ply and volt­age source on each chan­nel. Thus, ac­tive sen­sors and other mea­sure­ment chain com­po­nents such as iso­la­tion am­pli­fiers can be run di­rect­ly.

Espe­cial­ly when there are large dis­tances be­tween the con­trol room and the mea­sur­ing site, gal­van­ic iso­la­tion is re­quired. With the AD4PS this gal­van­ic iso­la­tion per chan­nel is al­ready in­te­grat­ed. With the IEPE sup­ply, a 2-wire line is suf­fi­cient for the sup­ply of the sen­sor, since the sup­ply and the sig­nal are led over the same line. Espe­cial­ly in ap­pli­ca­tions with large num­bers of mea­sur­ing sites, IEPE enor­mous­ly sim­pli­fies the in­stal­la­tion ef­fort and mea­sure­ment setup.

Thanks to the flex­i­ble push-in con­nec­tors, in­stal­la­tion ca­bles can be laid di­rect­ly with­out the need for time-con­sum­ing con­nec­tor as­sem­bly.

Test bench­es and mo­bile mea­sure­ments

The AD4PS is also rec­om­mend­ed for test bench­es and mo­bile mea­sure­ments, since gal­van­ic iso­la­tion is of ad­van­tage here, too. Ad­di­tion­al­ly, de­pend­ing on the mea­sure­ment task, the ap­pro­pri­ate sup­ply of sen­sors and other com­po­nents can be ac­ti­vat­ed and no fur­ther ex­ter­nal com­po­nents are re­quired for this. The mea­sure­ment chains re­main lean and man­age­able and thus less prone to er­rors.

Sig­nal Ac­qui­si­tion: Direct Mea­suer­ment of Vi­bra­tion Sig­nals for many Com­mon Sen­sor Types

AD4Pro

  • Overview
  • Tech­ni­cal spec­i­fi­ca­tions
  • Op­tions
  • Ex­am­ples of ap­pli­ca­tion

High­lights

  • Mo­d­ule with 4 ana­log FleXense in­puts
  • 204.8 kHz sam­pling rate with 24-bit res­o­lu­tion for fast and pre­cise sig­nal cap­ture
  • Mea­sure volt­age, cur­rent, charge and strain gauges di­rect­ly
  • In­de­pen­dent gal­van­i­cal­ly iso­lat­ed in­puts
  • Syn­chronous sam­pling of in­puts
  • Per chan­nel switch­able 10 mA IEPE power sup­ply. IEPE is an in­dus­try stan­dard also known under: ICP©, CCLD©, IsoTron©, DeltaTron© or Piezotron©

Ad­van­tages of FleXense tech­nol­o­gy

  • Flex­i­bil­i­ty
    FleXense unites mea­sure­ment of volt­age and cur­rent sig­nals, charge am­pli­fi­ca­tion, pre-am­pli­fi­ca­tion and (Wheat­stone) bridge cir­cuits for strain gauges and Kulites, and also pro­vides IEPE-power sup­ply for every input. A graph­i­cal user in­ter­face makes se­lect­ing the input mode for each chan­nel easy.
  • Lean mea­sure­ment chain
    FleXense tech­nol­o­gy makes fur­ther ex­ter­nal com­po­nents need­less and avoids er­rors.
  • Sig­nal qual­i­ty
    High-tem­per­a­ture sen­sors (for pres­sure and ac­cel­er­a­tion) es­pe­cial­ly ben­e­fit from the in­te­grat­ed dif­fer­en­tial charge am­pli­fi­er, which also of­fers max­i­mum sig­nal qual­i­ty.

Gen­er­al

Num­ber of chan­nels:4
Sam­pling rate:Up to 204.8 kHz (syn­chro­nous per sys­tem)
Anti-Alias­ing:In­te­grat­ed (dig­i­tal FIR fil­ter, cor­ner fre­quen­cy ad­just­ment au­to­mat­i­cal­ly ac­cord­ing to sam­pling rate)
Bit res­o­lu­tion:24-bit
Gal­van­ic iso­la­tion:Up to 100 VDC to ground and up to 200 VDC be­tween chan­nels
Weight:270 g

In­te­grat­ed charge am­pli­fi­er

Input modes:Sin­gle-ended and dif­fer­en­tial
Valid input ranges:±200 pC, ±2000 pC
Fre­quen­cy range:3 Hz ... 40 kHz
Sig­nal-to-noise ratio:Max. 137 dB at 1 kHz
Spe­cial fea­ture:Com­pen­sa­tion of ther­mo­elec­tric volt­ages (See­beck ef­fect) and Pop­corn ef­fect with high-tem­per­a­ture sen­sors

cur­rent input

Input im­ped­ance:100 Ω
Switch­able input range:±25 mA, ±44 mA RMS
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz

Volt­age input

Input im­ped­ance:1 MΩ, 11 pF
Switch­able input range:±2.5 V, ±25 V
Sig­nal-to-noise ratio:Max. 145 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.1 Hz
Switch­able IEPE Sup­ply:10 mA at max. 28 V

Strain gauges or kulites

Sup­port­ed types:Full, half and quar­ter bridge
Sup­ply cur­rent:10 mA at max. 5 V
Valid input areas:±5 mV, ±50 mV
Sig­nal-to-noise ratio:Max. 130 dB at 1 kHz
Switch­able AC/DC cou­pling:-3 dB at 0.15 Hz

Sig­nal con­nec­tors

  • Stan­dard 24-pin con­nec­tor with Push-In spring clamps
  • Other types of con­nec­tors avail­able upon re­quest

Test­ing

The Siemens En­er­gy Clean En­er­gy Cen­ter for burn­er tests in gas tur­bines in Ber­lin is using the AD4Pro to sig­nif­i­cant­ly re­duce com­plex­i­ty in their mea­sure­ment chain, there­by mak­ing fast and error-free con­fig­u­ra­tion changes easy.

Ser­vice

Ser­vice en­gi­neers are con­front­ed with mea­sur­ing tasks that change on a daily basis. With the AD4Pro you are pre­pared for any type of sen­sor, with­out hav­ing to carry ad­di­tion­al ex­ter­nal am­pli­fiers. In­te­grat­ed am­pli­fiers make sen­sor changes easy.

Re­search

Thanks to the in­te­grat­ed am­pli­fi­er, the sig­nal qual­i­ty is un­beat­able. That is why the Chair of Turbo-ma­chin­ery and Flight Propul­sion at the Tech­ni­cal Univer­si­ty of Mu­nich re­lies on the AD4Pro for its com­pres­sor test bench.

Sig­nal ac­qui­si­tion: Ro­tary Vi­bra­tions and Tor­sion­al Mea­sure­ments

AT2

  • Overview
  • Tech­ni­cal spec­i­fi­ca­tions
  • Op­tions
  • Ex­am­ples of ap­pli­ca­tion

High­lights

  • Flex­i­ble and fast timer mod­ule with two ana­log in­puts
  • Op­ti­mized for dif­fer­en­tial input sig­nals
  • Mea­sure­ment of tor­sion­al vi­bra­tions
  • En­ables tor­sion­al vi­bra­tion anal­y­sis in real-time
  • High­ly ac­cu­rate time record­ing of im­puls­es
  • In­de­pen­dent gal­van­i­cal­ly iso­lat­ed in­puts
  • Freely ad­justable trig­ger thresh­olds and hys­tere­sis sta­tus and trig­ger LEDs
  • Win­ner of the 2017 Messtec + Sen­sor Masters Award

Ad­van­tages of the AT2 Input mod­ule

  • Direct input of ana­log sig­nals
    High-im­ped­ance in­ter­nal TTL con­ver­sion en­ables the di­rect con­nec­tion of pulse-gen­er­at­ing sen­sors (e.g. hall probes, pho­to­di­odes, in­duc­tive dis­tance sen­sors etc.) with­out ex­ter­nal sig­nal con­di­tion­ing.
  • Nanosec­ond res­o­lu­tion
    The high-pre­ci­sion elec­tron­ics record pulse times quick­ly and pre­cise­ly, thus en­abling the pre­cise mea­sure­ment of the am­pli­tudes of tor­sion­al vi­bra­tions.
  • Long-term data stor­age and sys­tem pro­tec­tion
    The IfTA plat­form en­ables con­tin­u­ous or trig­gered long-term data record­ing and re­ac­tion to tor­sion­al vi­bra­tion events in real time to pro­tect, for ex­am­ple, your plant or ma­chin­ery.

Gen­er­al

Num­ber of input chan­nels:2
Sam­pling rate:100 MHz (10 ns time res­o­lu­tion)
Max­i­mum im­pulse rate:204.8 kHz
Gal­van­ic iso­la­tion:Up to 150 VDC to ground and up to 300 VDC be­tween chan­nels and be­tween sig­nal input and TTL out­put
Weight:150 g

Input chan­nel

Input im­ped­ance:100 kΩ
Max. input volt­age:±30 V
Max. dif­fer­en­tial input volt­age:±60 V
Ad­justable trig­ger:±25 V
Trig­ger res­o­lu­tion:12-bit
Res­o­lu­tion hys­tere­sis:12-bit
Ana­log band­width:20 MHz
Min­i­mum pulse width:25 ns

TTL Out­put

Out­put volt­age:0 ... 5 V
Max. out­put cur­rent:4 mA
Delay:20 ns typ­i­cal

Sta­tus LED

Input via trig­ger:yel­low
Input under trig­ger:blue

Sig­nal con­nec­tor

  • Stan­dard 6-pin con­nec­tor with Push-In spring clamps per chan­nel
  • Other types of con­nec­tors avail­able upon re­quest

Trig­ger Range

  • Op­tion­al­ly the trig­ger range can be re­duced from ±25 V to ±5 V upon re­quest

Ap­pli­ca­tion ex­am­ples

  • Mon­i­tor­ing of tor­sion­al vi­bra­tions on turbo sets
  • In­ves­ti­ga­tion of tor­sion­al vi­bra­tions in drive trains
  • Mea­sure­ment of the p-V di­a­gram of com­pres­sors or en­gine in­dex­ing

Sig­nal ac­qui­si­tion: Stat­ic Sig­nals

DigIn16

  • Overview
  • Tech­ni­cal spec­i­fi­ca­tions
  • Op­tions
  • Ex­am­ples of ap­pli­ca­tions

High­lights

  • Mo­d­ule with 16 dig­i­tal in­puts
  • In­de­pen­dent gal­van­i­cal­ly iso­lat­ed in­puts
  • Mea­sure­ment of stat­ic sig­nals
  • Ex­ter­nal N.O. con­tact or ex­ter­nal volt­age switch­able per chan­nel
  • Tem­per­a­ture con­trol

Gen­er­al

Num­ber of input chan­nels:16
Sam­pling rate:10 ... 25 Hz typ­i­cal
Gal­van­ic iso­la­tion:Up to 150 VDC to ground and up to 150 VDC be­tween chan­nels
Weight:145 g

Input with ex­ter­nal volt­age

Input volt­age:0 ... 26 VDC
Log­i­cal­ly low:0 ... 1.5 VDC
Log­i­cal­ly high:4 ... 26 VDC
Input im­ped­ance:100 kΩ up to 5 V

Input with ex­ter­nal NO con­tact

Switch­ing volt­age:5 V
Out­put im­ped­ance:1 kΩ
Short-cir­cuit cur­rent:5 mA

Sig­nal Con­nec­tors

  • Stan­dard 32-pin con­nec­tor with Push-In spring clamps
  • Other types of con­nec­tors avail­able upon re­quest

Ap­pli­ca­tion ex­am­ples

  • Record­ing of ex­ter­nal sta­tus sig­nals to mon­i­tor pro­ce­dures on the test bench
  • Can be used for sim­ple volt­age mon­i­tor­ing (e.g. with sup­ply to pre-am­pli­fi­er switched on)
  • Can be used with IfTA sys­tems for trig­gered stor­age, e.g. for long-term tests

Sig­nal ac­qui­si­tion: Tem­per­a­tures by Means of Ther­mo Ele­ments / Re­sis­tance Ther­mome­ters

TI4

  • Overview
  • Tech­ni­cal spec­i­fi­ca­tions
  • Ex­am­ples of ap­pli­ca­tion

High­lights

  • Mo­d­ule with 4 ana­log tem­per­a­ture mea­sure­ment chan­nels
  • In­di­vid­u­al­ly gal­van­i­cal­ly iso­lat­ed in­puts
  • Pre­cise and low noise tem­per­a­ture mea­sure­ment with a wide se­lec­tion of sen­sors:
    • Ther­mo cou­ples (type B, E, J, K, N, S, R, T) with pre­cise cold junc­tion com­pen­sa­tion per chan­nel
    • Re­sis­tance ther­mome­ters (RTDs) in 2-, 3-, or 4-wire mea­sure­ments
    • Ther­mis­tors
  • In­te­grat­ed sup­pres­sion of mains hum (50 and 60 Hz)

Ad­van­tages of the tem­per­a­ture input mod­ule

  • Easy mea­sure­ment of dif­fer­ent tem­per­a­ture sen­sors with only one mea­sure­ment mod­ule
  • The in­te­grat­ed cold junc­tion com­pen­sa­tion al­lows an easy and pre­cise mea­sure­ment with ther­mo cou­ples
  • Thanks to the 3- or 4-wire mea­sure­ment the TI4 en­sures re­li­able mea­sure­ments also when mea­sur­ing with re­sis­tance ther­mome­ters over long lines

Gen­er­al

Num­ber of chan­nels:4
Sam­pling rate:Up to 5 Hz
Bit res­o­lu­tion:24-bit
Gal­van­ic iso­la­tion:Up to 150 VDC to ground and up to 300 VDC be­tween chan­nels
Sup­port­ed sen­sors:Ther­mo cou­ples (B, E, J, K, N, R, S, T)
Re­sis­tance ther­mome­ters (RTDs): PT100, PT200, PT500, PT1000, NI-120 in 2-, 3- and 4-wire mea­sure­ments
Ther­mis­tors: 44004/44033, 44005/44030, 44007/44034, 44006/44031, 44008/44032, YSI 400
Weight:152g

Ap­pli­ca­tion Ex­am­ples

Ideal for mea­sur­ing, record­ing and mon­i­tor­ing tem­per­a­tures and their anal­y­sis to­geth­er with si­mul­ta­ne­ous­ly mea­sured vi­bra­tion sig­nals.

Sig­nal ac­qui­si­tion: Oper­at­ing data with gal­van­ic iso­la­tion

AD16

  • Overview
  • Tech­ni­cal spec­i­fi­ca­tions
  • Ex­am­ples of ap­pli­ca­tion

High­lights

  • Mo­d­ule with 16 ana­log in­puts
  • Four gal­van­i­cal­ly iso­lat­ed zones (zone 1: chan­nel 1-4, zone 2: chan­nel 5-8, ...)
  • Sam­pling rate of 5 Hz @ 23-bit res­o­lu­tion
  • Mea­sure­ment of op­er­at­ing data, e.g. power, flow, ro­ta­tion speed, sup­ply volt­age, etc.
  • Each chan­nel can be con­fig­ured via soft­ware. The mea­sure­ment sig­nals are con­nect­ed on the front via a ter­mi­nal block with push-in (spring) con­nec­tors
  • Each chan­nel pro­vides:
    • 85 dB sup­pres­sion of 50 Hz and 60 Hz
    • Volt­age input ±10 V dif­fer­en­tial
    • Cur­rent input 0 ... 20 mA sin­gle-ended

Ad­van­tages of the AD16 input mod­ule

  • No mains hum due to gal­van­ic iso­la­tion and in­te­grat­ed dig­i­tal fil­ter

Gen­er­al

Num­ber of chan­nels:16
Sam­pling rate:5 Hz
Anti-Alias­ing:In­te­grat­ed (dig­i­tal fil­ter)
Bit res­o­lu­tion:23-bit
Gal­van­ic iso­la­tion:Up to 150 VDC to ground and up to 300 VDC be­tween zones (zone 1: chan­nel 1-4, zone 2: chan­nel 5-8, ...)
Weight:166 g

Volt­age input

Input im­ped­ance:2 MΩ, 9.4 nF
Input range:±10 V dif­fer­en­tial

Cur­rent input

Input im­ped­ance:240 Ω, typ.
Input range:0 ... 20 mA

Ap­pli­ca­tion Ex­am­ples

Ideal for record­ing and mon­i­tor­ing op­er­at­ing data and other slow­ly chang­ing sig­nals such as:

  • Power
  • Flow rates
  • Ro­ta­tion­al speeds
  • Sup­ply volt­ages

The IfTA sys­tem can react to mea­sured val­ues at these in­puts in the same way as to val­ues from other mod­ules, e.g. with au­to­mat­ic trig­ger­ing or mes­sages via out­put mod­ules.

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