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Table of Contents

 

5

 

Table of Contents 

Safety Instructions ................................................................................................... 3

 

Table of Contents ..................................................................................................... 5

 

1

 

Introduction ....................................................................................................... 7

 

2

 

Start-Up .............................................................................................................. 9

 

2.1

 

System components ............................................................................................................ 9

 

2.2

 

System Start ......................................................................................................................... 9

 

3

 

Design and Operation ..................................................................................... 11

 

3.1

 

Modules ..............................................................................................................................12

 

3.1.1

 

Host Interface .......................................................................................................13

 

3.1.2

 

Processor ..............................................................................................................13

 

3.1.3

 

D/A Con Reconstruction Filter .................................................................13

 

3.1.4

 

Measuring Module ................................................................................................14

 

3.1.5

 

Internal Current and Voltage Amplifiers ...............................................................15

 

3.1.6

 

Power Supply ........................................................................................................16

 

3.2

 

Signal Generation ..............................................................................................................17

 

3.3

 

Accuracy ............................................................................................................................19

 

4

 

Connectors and Interfaces ............................................................................. 20

 

4.1

 

Connectors on the Front Panel ..........................................................................................20

 

4.1.1

 

Generator Combination Socket for VOLTAGE OUTPUT, CURRENT OUTPUT .22

 

4.1.2

 

Measurement Combination Socket for BINARY INPUT and ANALOG INPUT ...24

 

4.2

 

Connections on the Back Panel .........................................................................................27

 

4.2.1

 

Gen. out 7-12 ........................................................................................................27

 

4.2.2

 

ext. Interface .........................................................................................................29

 

5

 

Technical Data ................................................................................................. 31

 

5.1

 

Mains Supply .....................................................................................................................31

 

5.2

 

Outputs ...............................................................................................................................32

 

5.2.1

 

Current Outputs CURRENT OUTPUT 1-3 ...........................................................33

 

5.2.2

 

Voltage Outputs VOLTAGE OUTPUT 1-3 ............................................................35

 

5.2.3

 

Interface for an External Amplifier ‘Gen. out 7-12’ ...............................................36

 

5.2.4

 

Binary Outputs Relays ..........................................................................................37

 

5.2.5

 

Binary Outputs Transistor .....................................................................................38

 

Summary of Contents for CMC 156

Page 1: ...27 CMC 156 Reference Manual ...

Page 2: ...n this manual represent the technical status at the time of writing and are subject to change without prior notice We have done our best to ensure that the information given in this manual is useful accurate and entirely reliable However OMICRON electronics does not assume responsibility for any inaccuracies which may be present The user is responsible for every application that makes use of an OM...

Page 3: ...NTION Before starting up the CMC 156 carefully read the following safety instructions The system must not be put into operation without full knowledge of this information The CMC 156 may only be operated by trained personnel on the company premises ...

Page 4: ...ogram section a switch in the software is ON or a sweep is still under way e g V I ϕ All front panel sockets are to be considered as dangerous voltage contacts with working voltages of up to 250Vrms Therefore only cables certified to the corresponding national standards institute may be used If the generator section lamp lights there is a dangerous contact voltage 42 Vpk at least at one of the thr...

Page 5: ...Generation 17 3 3 Accuracy 19 4 Connectors and Interfaces 20 4 1 Connectors on the Front Panel 20 4 1 1 Generator Combination Socket for VOLTAGE OUTPUT CURRENT OUTPUT 22 4 1 2 Measurement Combination Socket for BINARY INPUT and ANALOG INPUT 24 4 2 Connections on the Back Panel 27 4 2 1 Gen out 7 12 27 4 2 2 ext Interface 29 5 Technical Data 31 5 1 Mains Supply 31 5 2 Outputs 32 5 2 1 Current Outpu...

Page 6: ...hanical Data 45 6 Technical Data EP Option 47 6 1 Outputs EP option 48 6 1 1 Current Outputs CURRENT OUTPUT 1 3 49 6 1 2 Voltage Outputs VOLTAGE OUTPUT 1 3 53 6 1 3 Output Power with EP option 55 7 Appendix 57 7 1 Optional Devices 57 7 1 1 Current Amplifier CMA 56 57 7 1 2 Current Amplifier CMA 156 58 7 1 3 Voltage and Current Amplifier CMS 156 60 7 1 4 CMLIB B Optional connection for meter testin...

Page 7: ...e range of optional settings the CMC 156 test set completely eliminates the need for operating elements on the front panel every function is controlled by the software on the COMPUTER This means the module structured application software as well as the configuration of the test system The CMC software is described in the CMC software user s manual This description exclusively refers to the hardwar...

Page 8: ...Test Set CMC 156 8 ...

Page 9: ... is set up completely and the software is installed properly 1 A description of the installation of the CMC software is found in your CMC software manual chapter 1 Installation The following procedure is recommended to connect the system components Figure 1 Connection CMC 156 and computer 1 These instructions refer to a system including a computer and basic device CMC 156 i e without additional am...

Page 10: ...ber VEHZ2007 instead of the VEHK0002 to connect the CMC 156 to the computer 2 Connect the CMC 156 and the computer to the power supply Power supply cable is supplied 3 Power both units up CMC 156 ON OFF switch on the front panel 4 For further actions see the Installation in the appropiate software manual 5 Start the software An extensive hardware test is carried out when the software is starting u...

Page 11: ...esign concept allows the following segregation of functions Computer Application software Control and display Measuring data processing Reporting and archiving CMC 156 test set Signal generation Voltage and current amplifier Input signal measurement Time critical processes ...

Page 12: ...on for SELV Isolation for working voltage relays Signal generator and measuring units Current amplifier Voltage amplifier 10V Input 20mA Input Binary outputs 1 4 Binary inputs 5 10 Binary inputs 1 4 Idc Udc Counter inputs ext Interface Binary outputs transistor ext Interface PC connection Host Interface PC Figure 2 Basic block diagram of the CMC 156 ...

Page 13: ... arithmetic unit make the signal processor ideally suited for digital signal processing tasks For example the signal processor needs for multiplication adding parallel data transfer only two machine cycles 30ns The CMC 156 uses this advantage of the signal processor for signal generation and digital filtering 3 1 3 D A Converter Reconstruction Filter For D A converters 16 bit PCM converters are us...

Page 14: ...tential carrying contacts are to be connected For potential carrying contacts the expected rated voltage may be specified individually for each binary input and the operating threshold of the binary inputs may be set The operating threshold is set in of the nominal voltage 1 To isolate single binary inputs against each other additional opto Isolators may be connected in series to the binary inputs...

Page 15: ...The voltage outputs are also protected against overload and sustained short circuit by means of a fast electronic current limiter and temperature sensors Protection against transient overvoltage is effected by means of transient absorbers If two voltage outputs are shorted against each other the output elements are brought close to their capacity limits but they will not be destroyed For heat sink...

Page 16: ...er can be reduced For more information please refer to the CMC software manual chapter System configuration 3 1 6 Power Supply The following power supplies are used in the CMC 156 a The mains sided power supply with power factor correction creates an intermediate circuit voltage for the supply of the connected isolated power supplies b Auxiliary supply for the supply of the processor and of all an...

Page 17: ...the basic values of any signal table according to the following equation S i x S i x S i 1 S i S i basic table value i x fractional component of the table pointer The table may be processed with any real step width The output of sine signals uses the internal sine table which has 256 basic entries The frequency resolution is 2 33 μHz and the phase resolution is 50 μ degrees 16k words are available...

Page 18: ...uts VOLTAGE OUTPUT 1 3 on the front panel The generator triple 2 is output via the internal current amplifier to the outputs CURRENT OUTPUT 1 3 on the front panel The completely independent generator triples 3 and 4 are output on the interface Gen out 7 12 at the back panel which is intended for controlling external amplifiers 0 to 5Vrms The generator triples 3 Gen out 7 9 and 4 Gen out 10 12 can ...

Page 19: ...nts are unimportant Therefore the amplitude and offset correction is preferably carried out in the DSP There are no conventional trim pots with poor temperature coefficients at all The amplification and offset errors of the D A converters are corrected by the DSP For component selection the linearity as well as temperature and long term drift were taken into account above all In the case of the vo...

Page 20: ...mplifiers Combination jack for 20 pole combination jack for the following connections current measuring input voltage measuring input 10 binary inputs for assignment see the following BINARY INPUT ANALOG INPUT ANALOG INPUT 0 20mA DC current input routed out individually 0 10V DC voltage input routed out individually BINARY INPUT Binary inputs 1 10 routed out individually POWER Mains switch CURRENT...

Page 21: ... 0 20 mA 0 10 V 0 250 V 3 4 5 6 Front panel ANALOG INPUT BINARY INPUT 5 10 BINARY INPUT 1 4 1 2 3 N 1 2 3 N 1 2 3 4 Software controlled VOLTAGE OUTPUT CURRENT OUTPUT BINARY OUTPUT VOLTAGE CURRENT BI 1 4 and BI 5 10 isolated from each other Figure 6 Outputs and inputs of the front panel ...

Page 22: ...f the connection sections CURRENT OUTPUT and VOLTAGE OUTPUT are brought out at this connector Figure 7 Plug for Generator Combination socket view onto cable connection side W A R N I N G The connections on this socket are dangerous voltage contacts when the test set is in its ON state for this reason this socket may not be used without full knowledge of the safety instructions found at the beginni...

Page 23: ...cturer Neutrik Table 2 Manufacturer designation Suppliers for plug for Generator Combination socket USA Neutrik USA Inc 195 S3 Lehigh Avenue Lakewood NJ 08701 4527 Tel 1 0 908 901 94 88 Fax 1 0 908 901 96 08 South Africa Eltron Pty Ltd P O Box 44598 Linden Johannesburg 2104 Tel 27 0 11 787 03 55 Fax 27 0 11 787 96 27 D Hermann Adam GMBH CO KG Felix Wankel Str 1 85221 Dachau Tel 49 0 8131 2808 0 or...

Page 24: ...T are brought out at this connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 19 18 17 16 Figure 8 Plug for Measurement Combination socket view onto cable connection side 1 W A R N I N G The connections on this socket are dangerous voltage contacts when the test set is in its ON state for this reason this socket may not be used without full knowledge of the safety instructions found at the beginning ...

Page 25: ...ry GND 1 10 GND_BI2 vt Binary GND 2 11 I5 gy pk Binary input 5 12 I6 rd bu Binary input 6 13 I8 wh gn Binary input 8 14 IDC _IN bn gn DC current input 15 NC wh ye Not connected 16 NC ye bn Not connected 17 I1 wh gy Binary input 1 18 I4 gy bn Binary input 4 19 GND_A wh pk Analog GND 20 UDC_IN pk bn DC voltage input The shield is not connected within the CMC 156 and has therefore to be connected wit...

Page 26: ...ot soldering contact ENG 3B 320 PLLGY Table 5 Manufacturer designation Manufacturer Supplier of plug for Measurement Combination socket USA LEMO USA Inc 335 Tesconi Circle Santa Rosa CA 95406 Tel 1 0 707 5788811 Fax 1 0 7075780869 D LEMOSA GmbH Stahlgruberring 7 81829 München 82 Tel 49 0 89 423085 Fax 49 0 89 427192 Table 6 Manufacturer Supplier If you want to order from OMICRON refer to section 7...

Page 27: ...ch is included in the scope of delivery of the external amplifier connection cable CMC 156 amplifier The outputs are isolated from mains and the power outputs by reinforced isolation SELV interface and supply calibrated signals in the range 0 to 5Vrms 7 07Vpk The selection of the amplifiers as well as the adaptation of the scaling for the corresponding amplifier to be connected takes place in the ...

Page 28: ...able connection side Pin Function1 Pin 1 Gen Out 7 Pin 2 Gen Out 8 Pin 3 Gen Out 9 Pin 4 GND_A electrically connected to ground Pin 5 Gen Out 10 Pin 6 Gen Out 11 Pin 7 Gen Out 12 Pin 8 16 for internal use Housing shield connection Table 7 Assignment 1 Gen out 7 9 and Gen out 10 12 each form a selectable triple voltage or current system ...

Page 29: ...ies of up to 100kHz In addition there are four additional transistor binary outputs 11 14 Compared to the relay binary outputs these have the advantage that they do not bounce and that only minimal response times occur 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 11 Plug for Interface ext Interface upper 16 pole Lemo jack view onto cable connection side ...

Page 30: ...4 Pin 9 16 Reserved Housing Shield connection Table 8 Assignment Manufacturer designation of plug for Gen out 7 12 and ext Interface For Gen out 7 12 Plug with 2 guide cams and pull relief FGB 2B 316 CLAD 72Z For ext Interface Plug with 1 guide cam and pull relief FGG 2B 316 CLAD 72Z Bend protection spout black GMA 2B 070 DN Table 9 Manufacturer designation If you want to order from OMICRON refer ...

Page 31: ... Option Guaranteed values In general Valid for 1 year from factory calibration within 23 C 5 C 73 F 10 F at nominal value and a warm up time of 25 min Guaranteed values of generator outputs Valid in the frequency range 10 100 Hz Accuracy specifications Valid in the frequency range DC 100 Hz 5 1 Mains Supply Mains supply Connector Plug acc to IEC320 Voltage 1 phase Nominal voltage Permissible range...

Page 32: ...ble please refer to Figure 3 on page 18 Analog current and voltage outputs Frequency range 1 Sinusoidal signals Transient signals 10 to 1000 Hz DC to 3 1 kHz Frequency resolution 5 µHz Frequency accuracy 0 5 ppm Frequency drift 1 ppm Phase range 360 to 360 Phase resolution 0 001 Phase error 2 typ 0 02 Guaranteed 0 1 Table 11 Analog current and voltage outputs 1 If you purchased the option FL 6 the...

Page 33: ...L to L Open outputs idling allowed Connection 4 mm banana sockets or amplifier combination socket Isolation Reinforced isolation to mains and to all SELV interfaces Table 12 Current outputs with standard design 1 Data for 3 phase systems are valid under symm conditions 0 120 240 2 For higher current or output power demands connection of an external amplifier is possible e g CMA current amplifier T...

Page 34: ...internal current amplifiers with standard design For a parallel connection of two current outputs a maximum output power of Pout 65VAac is reached 0 10 20 30 40 50 60 70 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 I in A P in VA 1 ph typ 1 ph guar Figure 13 Typical typ and guaranteed guar output power of the current outputs for single phase operation two outputs in parallel with standa...

Page 35: ...rror 0 03 rd 0 01 of rg guaranteed error 0 08 rd 0 02 of rg Harmonic distortion5 typ 0 015 guar 0 05 Short circuit protection Unlimited against N and from L to L Connection 4 mm banana sockets or amplifier comb socket Isolation Reinforced isolation to mains and to all SELV interfaces Table 13 Voltage outputs for standard designs 1 If not indicated otherwise the voltages quoted are L N 2 Refer to o...

Page 36: ...2 6 outputs Setting range 0 to 5 Vrms Output current max 2 mA Resolution 250 µV Accuracy typ error 0 025 guar error 0 05 Harmonic distortion2 typ 0 015 guar 0 05 Short circuit protection Unlimited against GND_A Isolation SELV isolated to all other potential groups Electrically connected to ground Table 14 Interface Gen out 7 12 1 To obtain the specified power in the test object parameters file TYP...

Page 37: ...8 A ohmic Time to stable closed condition approx 6 ms Time to stable open condition approx 10 ms Bounce time approx 0 5 ms Connection 4 mm banana sockets Isolation Functional isolation to power outputs Reinforced isolation to all SELV interfaces and to mains Table 15 Binary outputs relays The following diagram shows the limit curve for direct voltage for alternative voltage a max power of 2000 VA ...

Page 38: ...nt max 5 mA current limited min 100 µA update time 100 µs rise fall time 3 µs Vexternal 5 V Rpullup 4k7 Connector Socket ext Interf Back panel CMC 156 Isolation SELV to all other potential groups of the test set Electrically connected to Gen Out 7 12 and ground Table 16 Binary outputs transistor 47Ω 6k8 22k 16V Rpullup Vexternal 5 15V CMC 156 Rear panel Binary ouputs 11 14 ext Interface Figure 16 ...

Page 39: ...software Hysteresis 0 36V 0 2V Input resistance 70kΩ against reference potential GND_BI Input capacity 10nF against reference potential GND_BI Trigger criteria Switching of a potential free contact or application of direct voltage up to 250 V Configurable operating threshold Integration period 27 min Connection 4 mm banana sockets Isolation Functional isolation to power outputs and between the two...

Page 40: ...s on two inputs or we achieve synchronization between two devices Measurement accuracy when sensing a signal Operating mode Time in µs minimum maximum Zero potential contact opening 200 400 Zero potential contact closing 110 220 Active signals 110 220 Table 18 Maximum accuracy for time measurements on one input Measurement accuracy when assessing the difference between switching times on two diffe...

Page 41: ...V min 4 V Hysteresis typical 2 V rise fall time 1 ms max input voltage 30 V Connector Socket ext Interf rear panel CMC 156 Isolation SELV to all other potential groups of the test set Electrically connected to Gen Out 7 12 and ground Table 20 Counter inputs 100 kHz Counter input 1 2 ext Interface 12V 100k 22k 47p CMC156 Back panel Figure 17 Input circuit of counter inputs 1 2 ...

Page 42: ...to the current and voltage power outputs Table 21 Direct current measuring input 1 Direct voltage measuring input Measuring range 0 to 10 V max input voltage1 11 V max input current1 90 mA Accuracy typ error 0 01 guaranteed error 0 05 Connection 4 mm banana sockets or measuring comb socket Isolation Electrically connected to the current and voltage power outputs Table 22 Direct voltage measuring i...

Page 43: ...e test set to connect the CMC 156 to the computer If the computer is equipped with a USB port use an OMICRON CMUSB P converter ordering number VEHZ2007 instead of the VEHK0002 to connect the CMC 156 to the computer Isolation SELV isolated to all other potential groups electrically connected to ground Table 23 Computer interface 5 5 Ambient Conditions 5 5 1 Climate Climate Operating temperature 0 5...

Page 44: ... axis Table 25 Shock and Vibration 5 5 3 Electromagnetic Compatibility EMC EMC CE conformity The product complies to the normative document about electromagnetic compatibility for standardization of the laws of the member states of the council of the European Union EMC standard 89 336 EEC Emission International Europe EN 50081 2 FCC Subpart B of Part 15 Class A Susceptibility International Europe ...

Page 45: ... Certificates UL CSA certified up to test set serial number Pxnnnx Example a test set with serial number ND224C is UL SCA certified a test set with the serial number QB111D not Table 27 Safety standards and certificates complied with 5 7 Mechanical Data Dimensions and weight Weight 9 8 kg 22 46 lbs Dimensions W x H x D without handle 343 145 268 mm 13 5 5 7 10 6 Table 28 Dimensions and weight ...

Page 46: ...Test Set CMC 156 46 ...

Page 47: ...tion mainly differ from devices in standard design in the following key features specified accuracy on output power suitability to test of 0 2 class meters according to IEC687 higher accuracy on power outputs higher output power two current ranges from 0 to 12 5 A and from 0 to 1 25 A Technical data valid for a CMC 156 test set with standard design can be found in chapter 5 Technical Data ...

Page 48: ...puts is given in Figure 3 on page 18 Analog current and voltage outputs Frequency range 1 Sinusoidal signals Transient signals 10 to 1000 Hz DC to 3 1 kHz Frequency resolution 5 µHz Frequency accuracy 0 5 ppm Frequency drift 1 ppm Phase range 360 to 360 Phase resolution 0 001 Phase error 2 typ 0 005 Guaranteed 0 02 Table 29 Analog current and voltage outputs 1 If you purchased the option FL 6 the ...

Page 49: ...pen circuit protection Open outputs idling allowed Connection 4 mm banana sockets or amplifier combination socket Isolation Reinforced isolation to mains and to all SELV interfaces Table 30 Current outputs range 12 5 A EP option 1 Data for 3 phase systems are valid under symm conditions 0 120 240 2 For higher current or output power demands connection of an external amplifier is possible e g CMA c...

Page 50: ...ion Unlimited against N and from L to L Open circuit protection Open outputs idling allowed Connection 4 mm banana sockets or amplifier combination socket Isolation Reinforced isolation to mains and to all SELV interfaces Table 31 Current outputs range 1 25 A 1 Data for 3 phase systems are valid under sym conditions 0 120 240 2 Single phase model operation with two phases in phase opposition two c...

Page 51: ...power of the internal current amplifiers in the 12 5 A range for EP option For a parallel connection of three current outputs a maximum output power of Pout 80 VAac is reached Figure 19 Typical typ and guaranteed guar output power of the current outputs for single phase operation in the 12 5 A range for EP option three outputs in parallel 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 I in...

Page 52: ... 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 75 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 1 20 1 25 I in A P in VA Ptyp in VA Pguar in VA Figure 20 Typical Ptyp and guaranteed Pguar output power of the internal current amplifiers in the 1 25 A range for option EP ...

Page 53: ...A 1 140 VA 1 170 VA 1 93 W Accuracy3 typical error 0 015 rd 0 005 of rg guaranteed error 0 04 rd 0 01 of rg Harmonic distortion4 typ 0 015 guar 0 05 Short circuit protection Unlimited against N and from L to L Connection 4 mm banana sockets or amplifier comb socket Isolation Reinforced isolation to mains and to all SELV interfaces Table 32 Voltage outputs for option EP 1 Refer to output power curv...

Page 54: ...tiert nur L2 belastet typ DCnur L2 belastet typ nur L1 L3 belastet gar Figure 21 Typical and guaranteed output power of the voltage amplifiers option EP 1 1 To obtain the specified power in the test object parameters file TYP in the CMC software the corresponding voltage has to be set 3 x symm typical burden on L2 only guarant burden on L2 only typical DC burden on L2 only typ burden on L1 L3 guar...

Page 55: ...cy of 0 1 on output power Output current ranges Range 12 5 A Range 1 25 A 1 25 to 12 5 A 0 1 to 1 25 A Permissible load and current Range 12 5 A Range 1 25 A 0 to 0 5 Ω and 6 VA max at cos ϕ from 0 5 to 1 0 to 1 Ω and 1 VA max at cos ϕ from 0 5 to 1 Permissible load and voltage max 10 VA Output voltage range 50 to 125 VAC Frequency range 50 60 Hz Table 34 Limitations for obtaining an accuracy of 0...

Page 56: ...Test Set CMC 156 56 ...

Page 57: ... 50 Arms max 135 VA per phase Control is effected via an input jack on the back of the CMA 56 via the interface Gen out 7 12 on the back of the CMC 156 Figure 22 Connection of the CMA 56 current amplifier to the CMC 156 test set Using the CMA 56 current amplifier the OMICRON test system is able to test relays having high requirements for power and current so that a wide range of possible test obje...

Page 58: ...are arranged in two isolated groups and can be used independently from the phases of the CMC 156 e g for differential protection testing By connecting the current phases in series a power of up to 280 VA can be output which allows the testing of a wide range of electromechanical relays The CMA 156 is connected via the interface Gen out 7 12 on the back of the CMC 156 test set Figure 23 Connection ...

Page 59: ...se AC L L 2 1 x 140 VA at 7 5 A 1 phase AC L L 3 1 x 280 VA at 7 5 A DC L N 1 x 140 W at 10 5 A Weight 15 6 kg 34 4 lbs Dimensions without handle W x H x D 450 x 145 x 390 mm 17 7 5 7 15 4 Additional information about the CMA 156 can be found in the CMA 156 manual 1 By connecting the two amplifier groups in parallel 2 Single phase model two current phases in series 3 By connecting four amplifier p...

Page 60: ...of the amplifier are isolated from each other and can be used independently from the phases of the CMC 156 This allows testing of differential relays with six independent current phases or synchronizing devices with six independent voltage phases The higher power in the current path as well as voltage path extends the range of electromechanical relays that can be tested The CMS 156 is connected vi...

Page 61: ...e AC L L 1 x 150 VA at 150 to 500 V DC L N 1 x 212 W at 150 to 250 V Output currents 3 phase AC 3 x 0 to 25 A DC 1 x 0 to 25 A Current outputs power 3 phase AC L N 3 x 70 VA at 7 5 A 1 phase AC L L 1 1 x 140 VA at 7 5 A DC L N 1 x 140 W at 10 5 A Weight 14 9 kg 32 8 lbs Dimensions without handle W x H x D 450 x 145 x 390 mm 17 7 5 7 15 4 Additional information about the CMS 156 can be found in the...

Page 62: ...g With the option CMLIB B it is easily possible to connect auxiliary equipment needed for meter testing to a CMC test set The devices involved are Test meter Reference meter Optical scanning head Additional information about the CMLIB B can be found in the CMLIB B manual ...

Page 63: ...Appendix 63 Principle setup Optical head e g SH2003 Wattmeter Power supply CMLIB B VEHK0003 BNC to banana connection cable VEHK0005 ...

Page 64: ...accessories to the CMC 156 are found For easier identification of cables and plugs these items are represented graphically below Test object CMC test device Plug for measuring combination socket Plug for generator combination socket Generator cable Measuring cable Figure 25 Connection cables plugs ...

Page 65: ...USB P converter VEHZ2007 Connecting cable CMC 156 amplifier VEHK0003 Amplifier CMA CMS Notebook USB Connection to computer via CMUSB P converter VEHZ2007 CMC 156 Ampl in Ampl in Ampl out ext Interf Gen out 7 12 Connecting cable CMC 156 CMLIB B VEHK0003 CMLIB B ...

Page 66: ...s with a frequency between 600 Hz and 2000 Hz is not permitted The FL 6 option constraints the maximum fundamental frequency that the test set can generate to 599 Hz Test sets with the FL 6 option can therefore be exported without any restrictions VEHO0599 Cables Connection cable to CMC 156 to computer VEHK0002 Connection cable amplifier to CMC 156 identical to connection cable CMC 156 to CMLIB B ...

Page 67: ...1 reference from MTE for a meter with pulse outputs only VEHZ2004 Opto Isolators 5 pieces CMC OI 220 VEHZ0001 CMC OI 110 VEHZ0002 CMC OI 60 VEHZ0003 CMC OI 24 VEHZ0004 CMC OI TTL VEHZ0005 Carrying bag for CMC 156 mini VEHP0100 for CMA CMS VEHP0010 Transport case Case for CMA CMS VEHP0011 Case for CMC 156 151 mini VEHP0101 Additional user manuals CMC 156 specify language when ordering VESD1002 Tabl...

Page 68: ...Test Set CMC 156 68 ...

Page 69: ...ific OMICRON electronics Asia Ltd Suite 2006 20 F Tower 2 The Gateway Harbour City Kowloon Hong Kong S A R Phone 852 2634 0377 E Mail support asia omicron at Web www omicron at Europe Africa Middle East OMICRON electronics GmbH Oberes Ried 1 6833 Klaus Austria Phone 43 5523 507 333 E Mail support omicron at Web www omicron at For addresses of OMICRON offices with customer service centers regional ...

Page 70: ...Test Set CMC 156 70 ...

Page 71: ...ternal current amplifiers 34 36 output power of the internal current amplifiers EP 51 52 54 parallel connection of the outputs 34 parallel connection of the outputs EP 51 protection of the current and voltage outputs 15 Amplifiers current amplifier CMA 56 57 ordering notes on 64 Analog outputs 32 48 Assignment Generator Combination connector 23 interface to an external amplifier 28 Interface to ex...

Page 72: ... 11 DC measuring input 42 Delivery contents 9 Design 11 12 Digital signal processor 13 Digital Analog converter 13 Dimensions 45 Direct current measuring input 42 Direct voltage measuring input 42 Disconnection temperature 15 Display 11 DSP 13 E EN 61010 1 1993 45 Equipment grounding conductor 4 European standards 45 ext Interface 29 External amplifers CMA 156 58 CMS 156 60 External amplifier inte...

Page 73: ...ialization of the SW 10 Input signals measurement and filtering 13 Inputs binary 14 39 counter inputs 41 front panel 21 Installing the CMC 56 10 Instructions for your safety 3 Internal amplifer protection of the current and voltage outputs 15 Internal current amplifier output power 34 36 output power EP 51 52 54 International standards 45 traceability 19 Iout 33 Iout EP 49 50 Isolation of the bina...

Page 74: ... 38 block diagram 18 configuring 18 current 33 current EP 49 current outputs EP 50 interface to an external amplifier 36 voltage 35 voltage EP 53 Overtemperature resulting in switching OFF 16 P PC communication with 13 Phase angle ϕ 32 48 Phase error 32 48 Phase resolution 32 48 Plugs ordering notes on 64 suppliers and manufacturers 23 26 Power current outputs 33 50 Current outputs 33 current outp...

Page 75: ...output signal 19 Signal processor 13 Signals measurement and filtering 13 transients 17 Specifications 31 Specifications EP 47 Standards 45 traceability 19 Start up 3 Starting the SW up 10 Storage temperature 43 Suppliers for plugs 26 Suppliers of plugs 23 Supply 31 Switching OFF due to an overtemperature 16 System components 9 connecting the 9 System start 9 T Technical data 31 Technical data EP ...

Page 76: ...n slots 10 Vibration and Shock 44 View front panel 20 rear view 27 VNom 31 Voltage amplifer CMS 156 60 Voltage outputs 32 35 48 protection 15 Voltage outputs EP 53 Voltage reference 14 Vout 35 Vout EP 53 W Warranty 4 Weight 45 Wiring the system components 9 ...

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