Almemo

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sing the standard connector

4. Connecting your own sensors and electrical signalsTo connect #our o"n sensors : transducers #ou "ill need the appropriate %&;'(')* connector. 7or each measuring range programmed %&'(')* con;nectors are a!ailable6 as listed in the o!er!ie" table in Chapter 3. Thesepro!ide $ scre" terminals "ith measuring inputs %6

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anges! Pth-Pt =66

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4.1.4 Voltage measurement7or !oltage measurement in the K2.$ !olts range standard connector +% ,-73 is used.

anges! 2.$ Volt

7or smaller !oltages the appropriatel# programmed connectors +% ,-7=55 mV?6 -71 =2$ mV?6 -72 =2$ mV? are a!ailable.

anges! 2$ mV6 55 mV6 2$ mV

4.1.5 &i''erential (oltage measurement 'or sensors with

power supplyensors or transmitters =e.g. pressure sensors? "hich are po"ered !ia thede!ice itself are particularl# susceptible to !oltage drop & on the groundingconductor@@ in such cases differential !oltage measurement is ad!isable in or;der to eliminate this. This is performed b# connecting the sensor !ia connector+% ,-7:-71:-72:-73 in 4-conductor configuration and tappingoutput signal ' directl# !ia the differential input6 pin C and pin

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4.1.6 )*+,+ adapter ca/le 0) -)3 %&'(')* uni!ersal connector +% ,-7 is also a!ailable "ith connecting

cable and free ends as adapter cable +% ,-%.ensor suppl# )n all %&'(')* connectors "ith scre" terminals the ter;

minal > b# default carries a sensor suppl# !oltage of , to

12 V or the mains unit !oltage.The regulated 5V !oltage !ia the %&'(')* connector=ma0imum load capacit# 5 m%? is a!ailable as an option

Connecting cable -"ire6 0 .14 mm26 blacE6 length 165 meters The "iringdiagram and color code of the "ires are consistent for all

%&'(')* sensors and cables6 so that an# pin assignmentcan be 8uicEl# and easil# identified.

4.1.7 )*+,+ 1 +U connector 0) 55+UThe %&'(')* 5$, measuring s#stems ma# =as an alternati!e to the plug-inboards for %&'(')* single connectors? emplo# plug-in board ( 5$,-'"ith 1 inputs in the form of a $4-pin socEet strip. ensors are connected !ia a

1-fold connector =+% 5$,-'? each "ith four scre" terminals %6

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pecial-purpose connectors

4.2 Special-purpose connectors

4.2.1 $hermal connectors 'or thermocouples7or the most fre8uentl# used thermocouples the follo"ing %&'(')* connect;ors =no thermo-electric transition? are a!ailableB

+% ,2-7 fLr NiCr-Ni =t#pe ?6 Niil =t#peN?6 +%,22 for NiCr-Ni .1IC+% ,21-7& fLr 7e-CuNi =t#pe &?+% ,21-7F fLr 7e-CuNi =t#pe F?+% ,21-7T fLr Cu-CuNi =t#pe T?anges! NiCr-Ni =t#pe ?6 Niil =t#pe N?6 7e-CuNi =t#pe &6F? Cu-CuNi =t#pe T?

7or especiall# e0acting measuring operations6 re8uiring a high le!el of preci;sion6 using se!eral sensors6 and performed under relati!el# unfa!orable condi;tions =e.g. subHect to thermal irradiation?6 the %&'(')* +%,4-70 connect;or is a!ailable6 "ith its o"n integrated temperature sensor for cold Hunctioncompensation. This connector is suitable for all t#pes of thermocouple but itneeds t"o channels. a!ing M#JM programmed in the first t"o positions in thedesignation for the thermocouple ensures that the temperature sensor integ;

rated in the connector is indeed used for cold Hunction compensation.7or temperature measurement "ith NiCr-Ni at high !oltage potential the elec;tricall# isolated measuring module +%,,5%< is a!ailable@ =see ection4.2..3?.

4.2.2 Shunt connector 'or current measurementCurrent measurement in the range K 32 m% re8uires connector +%,$1-71and in the range to 1 =4 to 2 m%? re8uires connector +%,$1-72 "ithan integrated 2 ohms shunt. This shunt is adHusted before lea!ing the factor#.9f 2 current signals ha!e a common ground6 both can be ac8uired !ia Hust oneconnector +% ,$1-73:-74.

%ccurac# B K.1 of measured !alue.anges! 'illiamperes6 percent =4 to 2 m%?

4-$ %&'(')* 'anual6 ,. edition

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Connectors 'or sensors powered (ia the de(iceensors po"ered "ith the current output from the de!ice are e!en more sus;ceptible to the problem of !oltage drop on the grounding conductor thansensors "ith their o"n integrated !oltage output@ =see ection 4.1.5?. The solu;tion to this problem is similar but it re8uires connector +%,$1-75:-7$ "ith a

shunt bet"een C and < and a change in the multiple0er position to C-

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Connectors 'or sensors powered (ia the de(iceensors "ith higher current consumption "hich are therefore po"ered !ia thede!ice itself are also susceptible to !oltage drop on the grounding conductor@=see 4.1.5?. This problem can be sol!ed b# using connector +% ,$2-73 "itha di!ider bet"een C and < and changing the multiple0er position to C-

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4.2.5 Connectors 'or measuring /ridges with a sta/le 5V supply

1. ith di''erential ampli'ier 7or all sensors "ith a bridge circuit =e.g. force transducer6 "ire strain gauge6etc.? that need a stable suppl# or ha!e a high common-mode part or for high-impedance sensors that need an impedance con!erter there is connector +%,$5-70. This connector incorporates a 5V !oltage regulator and a differen;tial amplifier "ith or "ithout amplification. +ero-point and gain adHustment canbe stored in the connectorOs ((P)'.

%in assignment!

$echnical dataSensor supply ensor suppl# !oltage =7? 5 K.5 VTemperature coefficient 5 ppm : IC)utput current ma0imum 1 m%)mpli'ier 9nput !oltage range =common-mode? -3. to >3.5 V)ffset !oltage 4 QV =VR1?6 225 QV =VR1?

)ffset !oltage drift ma0imum 1 QV : IC9nput current .5 n%Current consumption appro0. 2 m%

Connector with ampli'ier and 5V supplyifferential !oltage connector 55 mV +% ,$57ifferential !oltage connector 2$ mV =VR1? +% ,$571Vifferential !oltage connector 2$ mV =VR1? +% ,$572Vifferential !oltage connector 2.$ V +% ,$573

%&'(')* 'anual6 ,. edition 4-,

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2. Connectors with symmetrical supply and power sa(ing systemDith measuring bridges the ne" connector series +% ,15-70 dispenses "iththe differential amplifier b# using a ero-s#mmetrical !oltage suppl# of K2.5 V=and thus a!oids the associated drift and noise?. %lso6 so long as the measur;ing point is not selected6 the suppl# remains s"itched off. Dhen a large num;

ber of measuring bridges are in!ol!ed this relie!es the po"er suppl#.

$echnical data

Sensor supplyensor suppl# !oltage =7? 5 K.5 VTemperature coefficient 5 ppm : IC)utput current ma0imum 1 m%Suiescent current appro0. 3 m%

ridge connector with symmetrical 5V supply

T#pe 'easuring range esolution )rder no.55 mV -1 to >55 mV 1 QV +% ,1572$ mV -2$ to >2$ mV 1 QV +% ,15712$ mV -2$ to >2$ mV 1 QV +% ,15722.$ V -2.$ to >2.$ V .1 V +% ,1573

4-1 %&'(')* 'anual6 ,. edition

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4.2.6 Connector with 12V supply7or sensors or transmitters needing a suppl# of minimum 12 VC there is con;nector series +%,$0-70V12. This connector series incorporates a !oltagecon!erter for con!erting lo"er batter# !oltage to 12 V. 15 V !oltage is alsopossible on re8uest. 7or signals up to 2$ V there is connector +% ,$2-

73V12: incorporating a 1B1 di!ider. ifferential e!aluation eliminates theline !oltage drop.

%in assignment

7or 2-"ire transmitters or sensors "ith current output there is connector +%,$1-70V12 "ith an integrated 2-ohm shunt.

$echnical datae!ice !oltage =? / to 12 Vensor suppl# !oltage =7? 13.5 K.5 V)utput current 1 m% at R 12 V

5 m% at R , V2 m% at R / V

%ccurac# K.1 of measured !alue

Connector with 12V supply ifferential !oltage connector 55 mV +% ,$7V12ifferential !oltage connector 2$ mV +% ,$71V12ifferential !oltage connector 2$ mV +% ,$72V12ifferential !oltage connector 2.$ V +% ,$73V12ifferential !oltage connector 2$ V +% ,$273V12ifferential current connector 32 m% +% ,$175V12

ifferential current connector =4 to 2 m%? +% ,$17$V12

%&'(')* 'anual6 ,. edition 4-11

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4.2.7 )C (oltage module 'or )C signals7or measuring %C !oltages there is %&'(')* adapter cable +% ,$3-% "itha T' con!erter integrated in the %&'(')* connector. This con!erter issupplied !ia an electricall# isolated6 integrated C:C con!erter@ in this "a#se!eral signals "ith !ar#ing potentials can all be recorded in the range of ma0;

imum K5 V.)nce a channel has been selected6 the measuring input is elec;tricall# connected to measuring instrument ground. nder no cir;cumstances therefore should an# !oltage abo!e 5 V be applied=e0tremel# dangerous U?.ince on the other hand all signals are present in parallel6 meas;uring point scans can be performed !er# easil#. i!en the set;tling time in!ol!ed operation in sleep mode is b# default not en!is;aged..

anges 2$mV6 2.$Volt

$echnical data

'eas. range esolution 9nternal resistanceT#pe +%,$3-%1B 2$ mVrms .1 mV i R 1 EW

T#pe +%,$3-%2B 2.$ Vrms .1 V i R 1 'W

T#pe +%,$3-%3B 2$. Vrms .1 V i R 1 'W

7re8uenc# range 5 to 1 E

%ccurac# K.2 of final val. K.5 of meas. val.=4 to 2 E sinusoidal?

Crest factor 3 =additional error ./ ?

5 =additional error 2.5 ?Current consumption appro0. 5 m%

4-12 %&'(')* 'anual6 ,. edition

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4.2.8 ,lectrically isolated high-(oltage measuring modules'or )C and &C signals and thermocouples

Sa'ety instructionso long as the measuring module is used e0actl# as intended the safet# of

both de!ice and user are ensured. 9f6 ho"e!er6 it is e!er used in an# "a# otherthan intended this safet# cannot be guaranteed.Please read therefore - carefull# and completel# - the follo"ing safet# direct;i!es - in order to a!oid the risE of fire6 of damage to the measuring module ormeasuring instrument6 and of inHur# to operating personnel.9f operation e!er in!ol!es !oltages abo!e 5 V6 personnel must recei!e appro;priate instruction - abo!e all regarding the dangers of mains !oltages.

● Switch OFF before plugging a measuring module into the measuring instrument.

● The various measuring modules depending on t!pe are suitable for measuring voltage cur"rent or thermocouples at potentials above #$ %. &hen operating a measuring module - and

especiall! when connecting it !ou must be e'tremel! careful not to touch an! parts carr!inghigh voltage.

● &ith the measuring module for thermocouples !ou must before connecting the temperaturesensor disconnect the operating voltages for all devices involved.

● &ith the measuring module for *+ signals !ou must use the supplied safet!-screenedtest cable (or an approved e,uivalent).

● The measuring module for + signals ma! onl! be used in conjunction with + or +voltage within the measuring range mared b! a cross on the rating plate.

● lease note in particular that current modules must not be connected directl! to the voltagesource but alwa!s in series to the load i.e. switched via one feed line.

● The measuring instrument and measuring module must not be operated in a wet or dampenvironment.

● The plastic housing must be protected against open flames and hot surfaces (e.g. hot-plates).

● s soon as a measuring module shows an! sign of e'ternal damage or if as a result of in "correct connection it ceases to function properl! it must no longer be used.

● /f the measuring module is operated incorrectl! or used for an! purpose other than that in"tended the manufacturer will not accept liabilit! for an! resulting damage.

Sa'ety sym/ols

9mportant noteTo a!oid danger to life and limb and the risE of damage to e8uip;ment please ensure that #ou compl# "ith all ad!isor# notes thusmarEed in the instructions.

arningTouching or coming into contact "ith an# such part carr#ing high!oltage might result in electric shocE. To a!oid risE of electricshocE6 #ou must al"a#s be e0tremel# careful not to touch an#

e0posed parts or connectors.

%&'(')* 'anual6 ,. edition 4-13

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4.2.8.1 :igh-speed )*+,+ &C measuring module&C (oltage 0)-)&irect current ;&C< 0)1-)

9ntroduction %&'(')* measuring module +% ,,:1-%

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arning =Dith !oltages abo!e 5 V it is absolutel# !ital that cabling "orE beperformed "ith all e8uipment disconnected and at ero !oltage andthat the !oltage onl# be =re?connected after such "orE has beencompleted. To a!oid risE of electric shocE6 #ou must al"a#s be e0;

tremel# careful not to touch an# e0posed parts or connectors.+easuring a current using module 0) 1-)To measure a current the measuring module must be s"itched into the con;necting line of a load using the supplied safet#-screened connecting cable.

arning =Dith !oltages abo!e 5 V it is absolutel# !ital that cabling "orE beperformed "ith all e8uipment disconnected and at ero !oltage andthat the !oltage onl# be =re?connected after such "orE has beencompleted. To a!oid risE of electric shocE6 #ou must al"a#s be e0;tremel# careful not to touch an# e0posed parts or connectors.9mportant note =

The measuring module for current must not be connected directl#to the !oltage source "ithout a load@ failure to heed this point mightdestro# the module and incur the risE of fire through o!erheating.The measuring ranges for current can be o!erloaded for !er# briefperiods@ ho"e!er6 the de!ice is not protected b# fuse.

Connecting a measuring module to an )*+,+ de(iceThe %&'(')* connector on the measuring module can be plugged into an#sensor socEet '00 on an# %&'(')* measuring instrument "ith the ADIGIA

measuring range =i.e. models made since around 'a#:1,,?. The po"er for the

measuring module is supplied b# the %&'(')

*

measuring instrument !ia aC:C con!erter =insulation !oltage6 minimum 4 EV : second6 1 EV continuous?.The po"er suppl# to the measuring instrument is thus charged "ith appro0 . 4m%@ i.e. for prolonged operation a mains suppl# unit is necessar#. ata is trans;ferred to the measuring instrument e!er# .5 seconds opto-isolated and digital.

+easured data ac>uisitionThe measuring signal is continuousl# sampled at 1 E and from this the ma0im;um !alue6 minimum !alue6 and a!erage !alue are calculated. )n completion ofeach manual or c#clic measuring point scan the measured !alues obtained sincethe last measuring point scan6 i.e. the ma0imum6 minimum6 and a!erage !alues

=but not the momentar# !alue? are output !ia the 4 channels on the %&'(')*

%&'(')* 'anual6 ,. edition 4-15

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connector and then deleted.

9f one of the measuring channels =ma0imum !alue6 minimum !alue6or a!erage !alue? is selected6 the associated !alue is called up at thecon!ersion rate =2.5 or 1 mops? and then deleted. 9f this is not re;8uired6 the 1st channel on the measuring module or some othersensor must ha!e been selected. 9f more than 1 consecuti!e

measured !alues lie outside the measuring range6 the measured!alue displa# flashes to indicate that the measuring range has beeno!ershot:undershot.

%rogramming the )*+,+ connector

)hannel 0eas ring f nction 1ange 1esol tion 2oc-ing

3st channel 0easured value DIGI 3*4$$$ of range #.$$

4nd channel 0a'imum value DIGI 3*4$$$ of range #.$$

5rd channel 0inimum value DIGI 3*4$$$ of range #.$$

6th channel verage value DIGI

3*4$$$$ of range #.$$The measuring range adHustment is stored together "ith the gain cor;rection data.

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%ccurac# .1 of final !alue K2 digitsampling rate 1 Eesolution 12 bit6 K24 digits'easuring period : settling time .1 seconds'easuring c#cle6 ma0imum 14 hours

(lectrical isolation 1 EV permanent6 4 EV for 1 secondousing pol#st#rene6 =&0D0? 1 0 54 0 31 mmocEets ocEets6 4 mm6 safet#-screened)perating !oltage $ to 14 V !ia %&'(')* de!iceCurrent consumption 4 m% =connector and module?

Standard deli(ery 'easuring module "ith %&'(')* connecting cable2 test cables "ith safet#-screened banana plugs)perating instructions

4.2.8.2 :igh-speed )*+,+ $+S )C measuring module)C (oltage 0) "-))lternating current ;)C< 0) 4-)

9ntroduction %&'(')* %C measuring modules +% ,,3-%< and +% ,,4-%< automaticall#record in purel# digital form the T' !alue =true root-mean-s8uare? of an %C!ariable@ i.e. the measuring signal "ith an# cur!e form is digitied at 1 E andthe T' is calculated. The fre8uenc# can be called up on the 2nd channel.ata is sent to the measuring instrument in purel# digital form. Connection onthe module is 4 EV6 electricall# isolated and protected against o!er!oltage. Themeasuring module can thus be plugged into an# measuring input on an# %&;'(')* measuring instrument6 i.e. se!eral modules on one %&'(')* de!ice.

%&'(')* 'anual6 ,. edition 4-1/

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Connecting a measuring module

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Connecting a measuring module to an )*+,+ de(iceThe %&'(')* connector on the measuring module can be plugged into an#sensor socEet '00 on an# %&'(')* measuring instrument "ith the ADIGIAmeasuring range =i.e. models made since around 'a#:1,,?. This is "ith thefollo"ing e0ception B The measuring module is not designed for operation "ith

selector s"itch board (55,'7. The po"er for the measuring module issupplied b# the %&'(')* measuring instrument !ia a C:C con!erter =insu;lation !oltage6 minimum 4 EV : second?. The po"er suppl# to the measuringinstrument is thus charged "ith appro0 . 4 m%@ i.e. for prolonged operation amains suppl# unit is necessar#. ata is transferred to the measuring instru;ment e!er# .5 seconds opto-isolated and digital.

+easuring the $+S ;true root-mean-s>uare<The %C !oltage signal is sampled continuousl# at 1 E and e!er# .5 seconds

the total root-mean-s8uare !alue is calculated from the C !oltage and %C!oltage parts.

Veff =√ V%C2+VC2

7or a measuring range of 13 digits for sinusoidal signals the total measuringrange is K 2 digits.

9f more than 1 of the 5 measured !alues lie outside the measuring range6

the measured !alue displa# flashes to indicate that the measuring range has

been o!ershot:undershot. To measure fre8uenc# the amplitude must be at

least 1 of the final !alue.

%rogramming the )*+,+

connector )hannel 0eas ring f nction 1ange >nits 1esol tion 2oc-ing

3st channel rms DIGI V~ 1:13 of range 5.

4nd channel Fre,uenc! DIGI Hz .1 5.

The measuring range adHustment is stored together "ith the gain cor;rection data.

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$echnical data

0eas ring mod le 0eas. range 1esol ti

on

ea- val e Overload /nternal

resistance

() voltage

rms sinus ss ss i+% ,,3-%

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4.2.8." ,lectrically isolated )*+,+ & measuring modules'or thermocouples #iCr-#i ;type 3

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4EV : second?. The measuring instrument must pro!ide a sensor suppl#!oltage of / to 12 V6 appro0. 2 m%@ i.e. usuall# a mains unit is re8uired. atais transferred to the measuring instrument at a measuring rate of 2.5 op;to-isolated and digital.

%rogramming the )*+,+ connector

1. Channel 'easuring range DIGI&ocEing mode 5

$echnical dataSensor Thermocouple0easuring ranges 7+8#$ B GirGi () -4$$.$ to 935H$.$ I

7+8#$ BJ Fe-uGi (J) -4$$.$ to 93$$$.$ I7+8#$ BT u-uGi (T) -4$$.$ to 96$$.$ I

0easuring rate 4.# mops2ineariAation accurac! :$.$# :$.$#? of measured valueS!stem accurac! $.3? of measured value :5 digits $.$3? *

lectrical isolation 3 % permanent 6 % for 3 second@ousing BS (acr!lonitrile butadiene st!rene)

(2'&'@) 34H ' ;5 ' 5; mmSensor connection Banana socets and plugs 6 mm safet!-screenedonnecting cable 3.# meters with 200OD connectorOperating voltage H to 34 % via measuring instrument or mains unit re,uiredurrent consumption E4$ m (connector and module)

4-22 %&'(')* 'anual6 ,. edition

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4.2. ?re>uency measuring module - 'or 're>uency and pulse signals7re8uenc# measuring module +% ,,,-% registers digital pulses@ it countspulses using an integrated miniature microcontroller in its sensor connectorand as and "hen re8uested transfers the count to the measuring instrument.ignals are still registered e!en if the particular measuring channel is not se;

lected@ it thus possible to ha!e se!eral fre8uenc# measuring modules connec;ted to one de!ice and interrogate these b# measuring point scans.The input of new uni(ersal module 0) -)3U incorporates optocouplers"hich can be dri!en either electricall# isolated b# means of acti!e !oltage sig;nals of 4 to 24 V =%? or directl#. To suppl# passi!e floating s"itch contacts =

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determine the pulse count o!er a longer period =e.g. 1 hour?.

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!oltage for this purpose but has onl# 3 digital inputs a!ailable. The contactsmust be connected to the 5V as per the circuit diagram in such a "a# that the#dri!e the optocouplers.

4.2.11 9nter'ace adapter ca/lesing interface adapter cable +% ,,1,-%0 up to ma0imum 4 measured !al;ues from an# third-part# de!ice "ith a serial interface =2326 TT&6 etc.? canbe integrated in measured data ac8uisition on the %&'(')* de!ice. 7or pur;poses of electrical isolation optocouplers are pro!ided. The microcontroller in;tegrated in the %&'(')* connector must ha!e been programmed "ith theprotocol used b# the third-part# de!ice. This programming is subHect to once-onl# soft"are costs. e!eral such adapters can be used in conHunction "ithone de!ice.

ange! DIGI

$echnical data!ispla# range $5 digits9nterface %s#nchronous /: data bits6 1:2 stop bits6

electricall# isolated

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