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OMICRON

11

Test set overview

3.2.2

CURRENT OUTPUT

→ Section 4.4.2 "Current outputs" on page 22.

Each output is galvanically separated from all other connections of the 

CMC 310

. All current outputs are protected against open circuits, short 

circuits, overload, and overtemperature.

WARNING

Death or severe injury caused by dangerous inductive loads possible

If charged with current, inductive loads may store a dangerous amount of energy. For 
example, an energy of <350 mJ is considered safe according to the IEC 61010-1 safety 
standard.

► Make sure that the possibly stored energy of the inductive device under test is within 
safe limits.

► Do not use the 

CMC

 test set for the measurement on high inductances (power 

transformer, current transformer) due to the discharging processes.

► If in doubt, contact OMICRON Support for more information.

WARNING

Death or severe injury caused by dangerous voltage levels on conductive parts 
possible

Although the output voltages of the current generators are within touch-safe limits, the 
insulation to other input and output groups is implemented as functional insulation only. 
Therefore, the outputs can conduct dangerous voltages.

► Observe the wiring instructions and safety precautions given in section "Wiring" in the 
Safe use of CMC test sets manual.

► Do not touch open conductive parts with live current signals (e.g. blank screw 
terminals) while the 

CMC

 test set is switched on.

NOTICE

Equipment damage possible

An external infeed could damage or destroy the current output. The outputs are protected in switched-
off state by a short-circuit relay.

► Make sure that there is no infeed from an external source. 

Содержание CMC 310

Страница 1: ...CMC 310 User Manual ...

Страница 2: ...ata embodied in 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 does not assume responsibility for any inaccuracies which may be present The user is responsible for every application that makes use of an ...

Страница 3: ...al data 18 4 1 Calibration and guaranteed values 18 4 2 Main power supply 19 4 2 1 Operational limits in conjunction with a weak power supply input voltage 19 4 2 2 Operational limits with current and voltage amplifier in parallel 20 4 3 System clock accuracy 20 4 4 Outputs 21 4 4 1 General generator outputs 21 4 4 2 Current outputs 22 4 4 3 Voltage outputs 25 4 4 4 Low level binary outputs ext In...

Страница 4: ...l 4 OMICRON 5 Increasing the output power 38 5 1 Current outputs 38 5 2 Voltage outputs 39 6 Troubleshooting 40 6 1 Troubleshooting guide 40 6 2 Potential errors possible causes remedies 41 6 3 Overheating 41 Support 43 ...

Страница 5: ...ce specific parameters and depending on the device type even provides you with configuration features For more detailed information see the according Web Interface help Launch the Web Interface of that particular device then click its help command The Web Interface is launched from the OMICRON Device Link tool 1 2 Open source license information Parts of the CMC 310 test set software are under OMI...

Страница 6: ...rate or even turn on the CMC test set after you have read this manual including section 4 Technical data on page 18 and fully understood the instructions We also recommend to read all other relevant documentation for your test set and control software For your safety Only trained personnel may operate CMC test sets Any maloperation can result in damage to property or persons You can remotely activ...

Страница 7: ...ble must be rated for the nominal voltage and current specified in section 4 2 Main power supply on page 19 We recommend to use the cable supplied with the test sets Do not block the access to safety relevant test set components like the power switch or the power cable Operate CMC test sets only under the environmental conditions specified in section 4 7 Environmental conditions on page 35 Especia...

Страница 8: ...e CMC test set with a cloth dampened with isopropanol alcohol 2 5 Changing the power fuse Proceed as follows to replace the power fuse on your CMC test set 1 Unplug the power cable of the CMC test set from the power outlet 2 Locate the fuse on the back of the CMC test set 3 Replace the fuse by an identical fuse type Schurter 0001 2515 T12 5 AH 250 V ...

Страница 9: ...y a functional insulation and not sufficient to prevent dangerous voltages from being bridged between ports In case of an internal failure input ports can also be a source of dangerous voltages Before working on test objects connections or terminals connected to the CMC test set make sure that the power supply of the CMC test set is switched off and that all parts in the working area are de energi...

Страница 10: ...he amplifier is galvanically separated from all other connectors of the CMC 310 All voltage outputs are protected against open circuits L N short circuits overload and overtemperature Do not connect any of the outputs of VOLTAGE OUTPUT to protective earth NOTICE Equipment damage possible An external infeed could damage the CMC test set Make sure that there is no infeed from an external source ...

Страница 11: ...r current transformer due to the discharging processes If in doubt contact OMICRON Support for more information WARNING Death or severe injury caused by dangerous voltage levels on conductive parts possible Although the output voltages of the current generators are within touch safe limits the insulation to other input and output groups is implemented as functional insulation only Therefore the ou...

Страница 12: ...ng the expected nominal voltage can be set for each binary input The 6 inputs are divided into 3 groups of 2 inputs each group galvanically separated from the others Moreover the binary inputs 1 to 6 can be used as counter inputs for input frequencies up to 3 kHz 3 2 4 BINARY OUTPUT The 4 potential free normally open relay contacts can switch AC or DC currents of up to 8 A Technical data Section 4...

Страница 13: ...f the output is active WARNING Death or severe injury caused by dangerous voltage levels due to control by software possible The AUX DC output can be programmed to output dangerous voltage This may lead to damage to property or persons Since the output is only controlled by software a wrong AUX DC setting e g set in software software or hardware error could lead to an unexpected value up to 264 V ...

Страница 14: ... of the USB port see section 4 6 Technical data of the communication ports on page 34 1 Power supply fuse T12 5 AH 8 Ethernet ports ETH1 and ETH21 1 The hardware for LL out 1 6 and ETH2 exists but is not used in the CMC 310 2 Fans for power supply 9 button 3 External interface ext Interf 10 Interfaces LL out 1 61 4 Status LEDs A and B 11 Grounding socket Used to connect the CMC test set to protect...

Страница 15: ...ate button The Associate button has the following functions Association with controlling computer An Ethernet communication port enables you to communicate with any CMC available on the network This may lead to dangerous situations where a user accidentally connects to a device located on a desk of somebody else emitting unsafe voltages and endangering the person working there To prevent such a si...

Страница 16: ...he software to the flash memory of the CMC test set Do not turn off the CMC test set as long as the writing is in progress 3 3 6 SELV interfaces All inputs and outputs of the SELV group SELV safety extra low voltage defined in IEC 60950 1 reference to a common neutral N that is internally connected to the protective earth GND of the housing Note The hardware for LL out 1 6 and ETH2 exists but is n...

Страница 17: ...OMICRON 17 Test set overview ...

Страница 18: ...he measurement results with traceable reference equipment either on a regular basis or prior to use You can for example use a typical often used device under test as a reference or use measurement equipment with a certified high accuracy Should the test equipment fail immediately contact OMICRON Support for calibration or repair Do not try to use it anymore Guaranteed values The values apply at 23...

Страница 19: ...input does not further affect the technical data of the CMC 310 Typical total output power at different power supply voltages Main power supply Connection C14 connector according to IEC 60320 1 Voltage single phase Nominal voltage Operational range 100 240 VAC 85 264 VAC Power fuse T 12 5 AH 250 V 5 20 mm Schurter ordering number 0001 2515 For more information visit the website www schurter com No...

Страница 20: ...generated or measured by the CMC 310 refer to a common internal time base that is specified as follows Current amplifier Voltage amplifier t11 1 t1 maximum possible uptime for a cold CMC 310 test set 3 200 W at 20 A 3 60 W at 85 V 1800 s2 2 At an ambient temperature of 23 C when operating the CMC 310 test set with a low power supply allow a duty cycle of 10 min on 10 min off 3 250 W at 20 A 3 85 W...

Страница 21: ...an 1 minute the maximum fundamental frequency is limited to 587 Hz to comply with international trade restrictions for frequency controlled signal generators For other options please contact OMICRON Support Sinusoidal signals2 2 Amplitude derating for current outputs at frequencies above 380 Hz 10 599 Hz Frequency resolution signal generation 5 μHz Phase range ϕ 360 360 Phase resolution 0 001 Phas...

Страница 22: ... 0 5 Ω 5 rd reading rg range whereas n of rg means n of upper range value Error 0 05 of rd 0 02 of rg Error 0 15 of rd 0 05 of rg Harmonic distortion THD N 6 7 6 Valid for sinusoidal signals at 50 60 Hz and Rload 0 5 Ω 7 Values at 20 kHz measurement bandwidth nominal value and nominal load 0 05 0 15 Phase error6 0 05 0 2 DC offset current 3 mA 10 mA Frequency range8 9 8 For injections longer than ...

Страница 23: ...er phase in VA W P3 per phase W S3 per phase VA 400 300 500 600 700 800 900 1000 Output Power in VA W S 64 A LL LN VA P 64 A LL LN W P 32 A L L W S 32 A L L VA 0 100 200 0 5 10 15 20 25 30 35 40 45 50 Output current in ARMS Output power in VA W Output current in ARMS S 64 A LL LN VA P 64 A LL LN W P 32 A L L W S 32 A L L VA 30 40 50 60 70 80 Compliance voltage in Vpeak 1 high sensitive 64 A LL LN ...

Страница 24: ...uous output current and output power at 23 C single phase mode Typical continuous output current and output power at 23 C 3 and 6 phase mode I A P W Duty cycle t1 min ton s toff s 3 32 A L N 0 25 0 600 100 30 1800 26 700 80 7 5 80 20 29 650 75 6 0 60 20 32 600 71 3 5 50 20 1 64 A LL LN 0 40 0 350 100 30 1800 50 250 60 4 9 30 20 60 150 43 2 6 15 20 64 100 38 2 0 12 20 300 200 400 500 600 700 Contin...

Страница 25: ...range whereas n of rg means n of upper range value Error 0 03 of rd 0 01 of rg Error 0 08 of rd 0 02 of rg Harmonic distortion THD N 4 5 4 Valid for sinusoidal signals at 50 60 Hz 5 Values at 20 kHz measurement bandwidth nominal value and nominal load 0 015 0 05 Phase error 0 02 0 1 DC offset voltage 20 mV 100 mV Voltage ranges Range I Range II 0 150 V 0 300 V Frequency ranges6 6 For injections lo...

Страница 26: ... minimal reaction time In addition 2 high frequency counter inputs for up to 100 kHz are available for the testing of energy meters They are described in section 4 5 2 Counter inputs 100 kHz low level on page 32 Pin assignment of the external interface ext Interf upper 16 pole LEMO socket view onto the connector from the cable wiring side Output voltage in V Output power per phase in VA typical gu...

Страница 27: ...me 3 µs Vextern 5 V Rpullup 4 7 kΩ Connection Connector ext Interf CMC 310 rear side Insulation Reinforced insulation to all other potential groups of the test equipment GND is connected to protective earth PE Pin Function Pin 1 Counter input 1 Pin 2 Counter input 2 Pin 3 Reserved Pin 4 Neutral N connected to GND Pin 5 Binary output 11 Pin 6 Binary output 12 Pin 7 Binary output 13 Pin 8 Binary out...

Страница 28: ...relays BINARY OUTPUT 1 4 Type Potential free contacts software controlled Connection 4 mm sockets AC loading capacity AC breaking capacity Vmax 300 V Imax 8 A Pmax 2000 VA DC loading capacity DC breaking capacity Load limit breaking capacity curve for binary output relays with DC voltages on page 29 Inrush current 15 A max 4 s at 10 duty cycle Carry capacity 5 A continuous at 60 C 140 F Electrical...

Страница 29: ... ranges 0 66 VDC max 0 8 A 0 132 VDC max 0 4 A 0 264 VDC max 0 2 A Power Max 50 W Accuracy1 1 Percentage is with respect to each range s full scale Typical Guaranteed Error 2 Error 5 Resolution 70 mV Connection 4 mm sockets on front panel Short circuit protection Yes Overload indication Yes Insulation Reinforced insulation from power supply and all SELV interfaces DC current A DC 300 200 100 50 40...

Страница 30: ...tion 3 galvanically insulated binary groups with each 2 inputs having its own GND Functional insulation to the power outputs DC inputs and between galvanically separated groups Reinforced insulation from all SELV interfaces and from power supply Data for potential sensing operation Range resolution 20 300 V 0 20 V 500 mV 50 mV Maximum input voltage CAT IV 150 V CAT III 300 V Threshold voltage accu...

Страница 31: ...ged and then be kept on this signal value for the duration of the debounce time The debounce function is placed after the deglitch function described above and both are realized by the firmware of the CMC 310 and are calculated in real time The figure below illustrates the debounce function On the right hand side of the figure the debounce time is too short As a result the debounced signal rises t...

Страница 32: ...he connector from the cable wiring side 2 counter inputs Maximum counter frequency 100 kHz Pulse width 3 µs high and low signal Switch threshold Pos edge Neg edge Max 8 V Min 4 V Hysteresis Typ 2 V Rise and fall times 1 ms Maximum input voltage 30 V Connection Socket ext Interf rear side of CMC 310 Insulation Reinforced insulation to all other potential groups of the test equipment GND is connecte...

Страница 33: ... external interface ext Interf visit the website www lemo com You can order the LEMO cable directly from OMICRON Manufacturer ordering information Connector for one guide notch and pull relief for ext Interf FGG 2B 316 CLAD 72Z Black anti bend cable cover GMA 2B 070 DN Rear side of CMC 310 15 V 100 kΩ Inside of CMC 310 Counter inputs 1 and 2 ext Interf ...

Страница 34: ... ft ETH type 10 100 1000Base TX1 twisted pair auto MDI MDIX or auto crossover 1 10Base 10 Mbit s transfer rate 100Base 100 Mbit s transfer rate 1000Base 1000 Mbit s transfer rate ETH connector RJ45 ETH cable type Shielded LAN cable of category 5 CAT5 or better ETH port status LED Depending on the ETH type of your NET 2 interface board s counterpart the status LED s behavior varies Physical link es...

Страница 35: ...ested according to IEC 60068 2 27 15 g 11 ms half sinusoid each axis NET 1C USB port and Ethernet ports ETH1 ETH2 USB type USB 2 0 full speed up to 12 Mbit s USB connector USB type B connect to computer USB cable USB 2 0 high speed type A B 2 m 6 ft ETH type 10 100Base TX 10 100Mbit twisted pair auto MDI MDIX or auto crossover ETH connector RJ45 ETH cable type Shielded LAN cable of category 5 CAT5...

Страница 36: ...0 3 2 3 EN 55032 Class A IEC 61326 1 IEC 61000 6 4 IEC 61000 3 2 3 CISPR 32 Class A 47 CFR 15 Subpart B Class A of FCC Electromagnetic susceptibility EMS Europe International EN 61326 1 EN 61000 6 2 EN 61000 4 2 3 4 5 6 8 11 16 18 EN 61000 6 5 IEC 61326 1 IEC 61000 6 2 IEC 61000 4 2 3 4 5 6 8 11 16 18 IEC 61000 6 5 Safety standards Europe International USA Canada EN 61010 1 EN 61010 2 030 IEC 6101...

Страница 37: ...ulation Insulation designed for pollution degree 2 BINARY OUTPUT 1 Relay BINARY OUTPUT 2 Relay BINARY OUTPUT 3 Relay BINARY OUTPUT 4 Relay 2 x Ethernet 2 x USB LL out Ext Interf Mains 100 240 V 10 A Overvoltage category II Output group CURRENT OUTPUT VOLTAGE OUTPUT AUX DC OUTPUT Binary I O group BINARY INPUT 1 2 BINARY INPUT 3 4 BINARY INPUT 5 6 PE B F R R R R B F B B B F F F R R F F F F F F F R R...

Страница 38: ... device When using the CMC 310 in an operational mode that parallels the output currents make sure to use test leads of an appropriate diameter 5 1 Current outputs 1 0 32 A The currents 1 and 2 of the current triple are phase opposite This doubles the compliance voltage of a single output 1 0 32 A 45 ADC 870 VA at 25 A max 70 Vpeak 1 0 64 A Since the current over the N socket is limited to 32 ARMS...

Страница 39: ...OMICRON 39 Increasing the output power 5 2 Voltage outputs 1 0 300 V Typical 200 VA at 100 300 V 1 0 600 V Typical 275 VA at 200 600 V VOLTAGE OUTPUT 1 2 3 N AUX VOLTAGE OUTPUT 1 2 3 N AUX ...

Страница 40: ...the following Your company name as well as a phone number and email address The serial number of your test set Information about the control device or the computer running the control software manufacturer type memory operating system and language and the installed version and language of the control software Screenshots or the exact wording of possible error messages 5 If you contact OMICRON Supp...

Страница 41: ... Error Possible causes Remedies The power switch does not light up after turning on the CMC 310 test set There is no power to the test set Check the power supply and make sure that it supplies power to the test set The fuse of the test set is blown Unplug the power cord from the power source Replace the fuse T 12 AH 250 V 5 20 mm 2 5 Changing the power fuse on page 8 There is a malfunction of inte...

Страница 42: ...CMC 310 User Manual 42 OMICRON ...

Страница 43: ...43 59495 4444 Additionally you can find our Service Center or Sales Partner closest to you at www omicronenergy com Customer Portal stay informed www omicronenergy com customer The Customer Portal on our website is an international knowledge exchange platform Download the latest software updates for all products and share your own experiences in our user forum Browse through the knowledge library ...

Страница 44: ...ENU 1012 05 01 ...

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