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3.2.2  LED Indicators  

The CVM-MINI power analyzer is supplied with two LED indicators which give 

information on the status of: 

 

LED 

FUNCTION 

 CPU

 

The slow flashing of the LED CPU shows that the equipment has 

auxiliary power supply and is operative. 

The rapid flashing of the LED CPU shows that there is an internal 

problem with the start up software. 

 COMM

 

The slow flashing of the COMM LED shows that the equipment is 

communicating with a master peripheral via its RS485 

communications port. The 

CVM-MINI 

power analyzer’s

 

communications protocol is Modbus RTU.  

4 SETTING SET-UP 

The 

CVM-MINI

 power analyzer has two very different 

Set-up

 configurations which can 

set the parameters for all the measurement and communication settings. 

 

Measurement set-up: All parameterisation of the equipment’s measurements are 

carried out from this menu; voltage display (phase-neutral or phase-phase voltages 

and current transformer ratios, setting the power demand meter, setting the start page, 

backlight setting, returning the energy counters to zero and maximum demand, type of 

harmonic distortion and setting the transistor outputs. 

 

Communication set-up: All of the analyzer’s RS485 RTU Modbus communications are 

parameterised from this set-up menu. Also the option to enter a password to protect 

previous data settings in both 

Set-ups 

is possible from this menu. 

4.1  Measurement Set-up  

The measurement parameters for the 

CVM-MINI

 and all its functions are changed from 

this menu (according to type); it may start the eight energy meters and reset maximum 

demand (Pd), maximums and minimums recorded. 

The analyzer does not store the setting changes until all of the setting has been 

finished; the analyzer does not store the changes to the settings until the whole setting 
program has been completed. If 

 reset

N

  is pressed before the end of the setting, the 

setting entered is not stored in the memory. 

 

 To access MEASUREMENT Set-Up the SETUP key has to be pressed with a 

long press with the equipment started until setting mode is entered. 

 

On entering setting mode, the message "SETUP loc", or as a default "SETUP unlo" is 

displayed for a few seconds indicating that it is in setting and is informing of their status 

(locked or unlocked respectively). 

 

SETUP unlo: on entering setting mode it is possible to view and change the setting. 

SETUP loc: on entering setting mode it is possible to view the parameterisation but it is 

not possible to change it. 

Содержание CVM-MINI SERIES

Страница 1: ...POWER ANALYZER CVM MINI SERIES INSTRUCTION MANUAL M98174001 03 19A CIRCUTOR SA...

Страница 2: ...value 11 4 1 1 3 Current primary value 11 4 1 1 4 Current secondary value 12 4 1 2 Measurement in 2 or 4 quadrants 12 4 1 3 Power demand meter parameterisation 13 4 1 3 1 Integrated parameter 13 4 1 3...

Страница 3: ...rom configuration menus on the instrument itself Before starting the analyzer carefully read sections power supply connection and setting and select the most suitable form of operation in order to obt...

Страница 4: ...erature C Available through display and communications Only available through communications Harmonic content in HAR model 1 4 Other features A small sized instrument with a 85x52x70mm 3 steps Measure...

Страница 5: ...230 V AC Plus model power supply 85 265 V AC 95 300 V DC Frequency 50 Hz 60 Hz Power supply tolerance 15 10 Connection terminals 14 15 Equipment consumption 3 VA 2 1 2 Maximum voltage in the voltage...

Страница 6: ...between 0 5 and 2 A It must have an overload short circuit switch or equivalent device in order to disconnect the equipment from the power supply system An earth leakage switch or similar device must...

Страница 7: ...When power is supplied to the CVM MINI the equipment will start its software interface on the screen showing the version of the firmware and its setting After a few seconds the equipment is ready to o...

Страница 8: ...measurement may be changed clear energy Rapid access function using a long press pressed for 5 seconds all enabled energy counters are cleared kW h kvarL h kvarC h kVA h in power consumption or consu...

Страница 9: ...citive reactive power III 0 9 9 3 7 9 4 OS C K V A Figure 19 Cos III Apparent power III 9 6 2 5 0 0 2 4 6 o C IN Hz Figure 20 Neutral current Frequency Temperature 3 7 5 5 Pd kvV Figure 21 Maximum dem...

Страница 10: ...stor outputs Communication set up All of the analyzer s RS485 RTU Modbus communications are parameterised from this set up menu Also the option to enter a password to protect previous data settings in...

Страница 11: ...ndary value The display shows set SecU followed by three digits these allow the setting of the transformer voltage secondary To write or change the voltage transformer secondary value repeatedly press...

Страница 12: ...rement options press the max key and the two options will alternate Once the required secondary of current has been selected press the key to enter the data and access the next setting step s e t Se c...

Страница 13: ...ill alternate in turn Once the required option is selected press the key to enter the data and access the next setting step Pd Co d e 1 6 Figure 37 Active power III Pd Co d e 3 4 Figure 38 Apparent po...

Страница 14: ...personalised display option The analyzer will show def page no on the screen to enter the data and proceed to this setting press Once the personalisation option has been entered by using key the scre...

Страница 15: ...ing two measurement options the effective value or the fundamental value To select one of the two calculation options press the max key and the two options will alternate Once the required option is s...

Страница 16: ...the key the watts time per impulse is entered or as a default kilowatts time per impulse For entering the watts time rate per impulse repeatedly press the max key increasing the value of the digit whi...

Страница 17: ...BOL CODE PARAMETER SYMBOL CODE Active power III kW III 16 cos three phase cos 19 Inductive power III kvarL III 17 Power factor III PF III 20 Capacitive power III kvarC III 18 Frequency Hz 21 Active en...

Страница 18: ...to the following digit by pressing min to allow the remaining values to be changed When the last digit has been changed press min to move back to the first digit allowing the previously set values to...

Страница 19: ...efore the end of the setting the setting entered is not stored in the memory To access the COMMUNICATION Set up first press the Reset key and immediately press the Set up key for a long time to enter...

Страница 20: ...g the previously set values to be changed again To enter the data and access the next setting step press s e t n p e r 0 0 1 Figure 55 Peripheral number 4 2 3 Transmission speed The transmission speed...

Страница 21: ...4 2 7 Protection of data Set up using password This menu option aims to protect the data set in Measurement Set up As a default the equipment does NOT protect data with the unlo option By pressing the...

Страница 22: ...ent SETUP parameters are to be changed again the equipment has to be first unlocked by the same procedure position unlo and the appropriate changes are made 5 APPENDIX CVM MINI ITF HAR RS485 C2 SERIES...

Страница 23: ...ords are required to request each parameter 4 bytes XX XX XX XX Function 05 Writing a relay 6 1 MODBUS memory map PARAMETER SYMBOL Instant Maximum Minimum Units Voltage phase V L1 00 01 60 61 C0 C1 V...

Страница 24: ...THD A L1 THD AL1 36 37 96 97 F6 F7 x 10 THD A L2 THD AL2 38 39 98 98 F8 F9 x 10 THD A L3 THD AL3 3A 3B 9A 9B FA FB x 10 Apparent power III KvaIII 42 43 A2 A3 102 103 w Maximum demand Md Pd 44 45 A4 A5...

Страница 25: ...Harmonic 13 2C6 2C7 2E4 2E5 302 303 Harmonic 14 2C8 2C9 2E6 2E7 304 305 Harmonic 15 2CA 2CB 2E8 2E9 306 307 Recordings available in HAR model MODBUS VARIABLES PARAMETER SYMBOL L1 L2 L3 Units Harmonic...

Страница 26: ...32 RS 485 PC 7 TECHNICAL SERVICE In the event of any equipment failure or any operational queries please contact the technical service of CIRCUTOR S A CIRCUTOR S A After sales service Vial Sant Jordi...

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