Omicron Cmc 256 User Manual Pdf

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OMICRON´s commitment to innovation is evident in features and the quality of its test sets. Making CMC 356 - protection relay test set and commissioning tool. Consult OMICRON electronics's entire CPC 100 catalogue on DirectIndustry. CMC 256 User Manual 10 Operator Qualifications yTesting with the CMC 256 should only be carried out by authorized and qualified personnel. YPersonnel receiving training, instruction, direction, or education on the CMC 256 should remain under the constant supervision of an experience operator while working with the equipment. Safe Operation. Page 47 This example shows how the three current outputs of a CMC 256-3 test set are led to the synchronization inputs I AC of three CPC 100 test sets to drive their high-current outputs. This way, the CPC 100 high-current outputs represent the 'amplified' CMC 256-3 outputs and, in this example, are connected to three CTs. The CMC 256 plus is a highly accurate, multifunctional six-phase relay testing and calibration device. Its high precision allows the calibration of energy meters, PQ and PMU devices. CMC 256plus - High precision relay test set and universal calibrator - OMICRON. OMICRON electronics reserves the right to make changes at any time to the technology and/or configuration without announcement. OMICRON electronics is not to be held liable for statements and declarations given in this Reference Manual. The user is responsible for every application described in. CMC 256 User Manual 4 5CONNECTIONS AND. Powerful six-phase relay testing and more. The CMC 356 is the universal solution for testing all generations and types of protection relays. Its powerful six current sources (three-phase mode: up to 64 A / 860 VA per channel) with a great dynamic range, make the unit capable of testing even high-burden electromechanical relays with very high power demands.

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The CMC 256plus is the first choice for applications requiring very high accuracy. This unit is
not only an excellent test set for protection devices of all kinds but also a universal calibra-
tion tool. Its high precision allows the calibration of a wide range of measuring devices,
including: electricity meters of class 0.2, measuring transducers, power quality measurement
devices and phasor measurement units (PMU). Its unique accuracy and flexibility make the
CMC 256plus ideal for protection and measurement equipment manufacturers for research
and development, production and type testing. The CMC 256plus can either be operated by
the Test Universe software running on a PC or by the front panel control device CMControl.

CMC 256plus: 6 Phase Current + 4 Phase Voltage Test Set and Universal Calibrator

Current generators
Setting range 6-phase AC (L-N)

6 x 0 .. 12.5 A

3-phase AC (L-N)

3 x 0 .. 25 A (Group A II B)

1-phase AC (3L-N)

1 x 0 .. 75 A (Group A II B), 2 x 0 .. 37.5 A

DC (3L-N)

1 x 0 .. ±35 A (Group A II B), 2 x 0 .. ±17.5 A

Power

6-phase AC (L-N)

6 x 80 VA typ. at 8.5 A, 6 x 70 VA guar. at 7.5 A

3-phase AC (L-N)

3 x 160 VA typ. at 17 A (Group A II B)
3 x 140 VA guar. at 15 A (Group A II B)

1-phase AC (3L-N)

1 x 480 VA typ. at 51 A (Group A II B),
2 x 240 VA at 25.5 A
1 x 420 VA guar. at 45 A (Group A II B),
2 x 210 VA at 22.5 A

1-phase AC (L-L)

1 x 320 VA typ. at 8.5 A (Group A II B),
2 x 160 VA at 8.5 A
1 x 280 VA guar. at 15 A (Group A II B),
2 x 140 VA at 7.5 A

1-phase AC (L-L-L-L) 1 x 320 VA typ. at 8.5 A

(40 VRMS, Group A and B in series)
1 x 280 VA guar. at 7.5 A
(40 VRMS, Group A and B in series)

DC (3L-N)

1 x 480 W typ. at ±35 A (Group A II B),
2 x 240 W at ±17.5 A
1 x 470 W guar. at ±35 A (Group A II B),
2 x 235 W at ±17.5 A

500
400
300
200
100

0

0

10

25

50

75

Output current / A

Group A
and B in
series

1-phase
AC (L-L)

3-phase AC (L-N)

1-phase AC (L-N)

Output po

w

er (typ.) / V

A

Accuracy

2

error < 0.015 % rd.

3

+ 0.005 % rg.

3

typ.

at 0 .. 12.5 A
error < 0.04 % rd. + 0.01 % rg. guar.
at 0 .. 12.5 A

Distortion (THD+N)

4

< 0.025 % typ., < 0.07 % guar.

Ranges

1.25 A / 12.5 A (Group A, B) or
2.5 A / 25 A (Group A II B)

Resolution (for respective range)

50 µA / 100 µA / 500 µA / 1 mA

Max. compliance voltage (L-N)/(L-L) 15 Vpk / 60 Vpk
Connection

4 mm (0.16 in) banana sockets / combination
socket (Group A only)

Voltage generators
Setting range

4-phase AC (L-N)

4 x 0 .. 300 V (VL4(t) automatically
calculated: VL4 = (VL1+VL2+VL3)*c
or freely programmable)

3-phase AC (L-N)

3 x 0 .. 300 V

1-phase AC (L-L)

1 x 0 .. 600 V

DC (L-N)

4 x 0 .. ±300 V

Power

3-phase AC (L-N)

3 x 100 VA typ. at 100 .. 300 V
3 x 85 VA guar. at 85 .. 300 V

4-phase AC (L-N)

4 x 75 VA typ. at 100 .. 300 V
4 x 50 VA guar. at 85 .. 300 V

1-phase AC (L-N)

1 x 200 VA typ. at 100 .. 300 V
1 x 150 VA guar. at 75 .. 300 V

1-phase AC (L-L)

1 x 275 VA typ. at 200 .. 600 V
1 x 250 VA guar. at 200 .. 600 V

DC (L-N)

1 x 420 W typ. at ±300 V
1 x 360 W guar. at ±300 V

Output voltage / V

Output po

w

er (typ.) / V

A

1-phase AC (L-L)

1-phase AC (L-N)

3-phase AC (L-N)

4-phase AC (L-N)

300

250

200

150

100

50

0

0

100

200

300

400 Spotify ios manual download.

500

600

Accuracy

5

error < 0.015 % rd.

3

+ 0.005 % rg.

3

typ. at 0 .. 300 V
error < 0.04 % rd. + 0.01 % rg. guar.
at 0 .. 300 V

Distortion (THD+N)

4

0.015 % typ., < 0.05 % guar.

Ranges

150 V / 300 V

Resolution

5 mV / 10 mV in range 150 V / 300 V

Connection

4 mm (0.16 in) banana sockets /
combination socket (1,2,3,N)

Generators, general
Frequency

range sine signals

10 .. 1000 Hz

range harmonics /
interharmonics

6

10 .. 3000 Hz

range transient signals

6

DC .. 3.1 kHz

accuracy / drift

±0.5 ppm / ±1 ppm

resolution

< 5 µHz

Phase

angle range

-360° .. +360°

resolution

0.001°

error at 50 / 60 Hz

< 0.005° typ., < 0.02° guar.

Bandwidth (-3 dB)

3.1 kHz

Simulated power
S, P (calibration
of energy meters)

accuracy

7

error < 0.05 % rd. typ., < 0.1 % rd.
guar.

temperature drift

< 0.001 % / °C typ., < 0.05 % / °C guar.

Technical Data

1

1

All data specified are guaranteed, except where indicated otherwise.

OMICRON guarantees the specified data for one year after factory calibration,

within 23 °C ±5 °C (73 °F ±10 °F) in the frequency range from 10 to 100 Hz and

after a warm-up phase > 25 minutes

2

Rload: 0 .. 0.5 W

3

rd. = reading, rg. = range

4

THD+N: Values at 50/60 Hz, > 1 A / 20 V with 20 kHz bandwidth

5

Rload: > 250 W

6

Amplitude derating at > 1000 Hz

7

Data are valid from 0.1 to 12.5 A (current amplifier A or B) and 50 to 300 V

(voltage amplifier) at 50/60 Hz

Permissible load for current outputs:

Range 1.25 A: 0 to 1 W and 1 VA max., cos ϕ = 0.5 to 1

Range 12.5 A: 0 to 0.5 W and 6 VA max., cos ϕ = 0.5 to 1

Permissible load for voltage outputs:

10 VA max. at 50 to 300 V, cos ϕ = 0.5 to 1

CMC 256plus

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Table of contents
  • Test Set Overview
  • CMControl
  • Test Universe Software
  • Software
    • QuickCMC
      • State Sequencer
      • Ramping
      • TransPlay: Transient Playback Tool
      • Harmonics
      • Binary I/O Monitor
      • CB Simulation
      • Pulse Ramping
      • Overcurrent
      • Overcurrent Characteristics Grabber
      • Distance
      • Differential
      • Autoreclosure
      • Advanced Distance
      • VI Starting
      • Advanced Differential
      • Annunciation Checker
      • Synchronizer
      • Transient Ground Fault
      • Advanced TransPlay
      • Meter
      • Transducer
      • OMICRON Control Center
      • Pause Module, Text View, ExeCute
      • Test Object Definition with XRIO ®
      • PTL Protection Testing Library
      • CM Engine Programming Interface
      • cm_FCS Field Calibration Software
  • Additional Software
    • NetSim Network Simulation Software
      • EnerLyzer TM
      • TransView
      • PQ Signal Generator
  • IEC 61850 Testing Tools
    • IEDScout 
      • GOOSE
      • Sampled Values (SV)
      • IEC 61850 Package
      • SVScout
      • CMC 850 Package 
  • Scheme Testing Tools
    • CommPro
      • LogicPro
      • DLogicPro
  • Test Sets
    • CMC 356: 6 Phase Current + 4 Phase Voltage Test Set and Commissioning Tool
      • CMC 353: 3 Phase Current + 4 Phase Voltage Test Set and Commissioning Tool
      • CMControl: Front Panel Control for CMC Test Sets
      • CMC 850: IEC 61850 Test Set
  • Amplifier Units
    • CMA 156: 6 Phase Current Amplifier (6 x 25 A)
      • CMS 156: 3 Phase Voltage and Current Amplifier (3 x 250 V, 3 x 25 A)
  • Accessories
    • CMGPS Synchronization Unit
      • CMIRIG-B Interface
      • CMB IO-7
      • Scanning Heads and Related Accessories
      • Cable Connector for REF 54x
      • CMLIB A Low Level Signal Connector
      • CPOL Polarity Checker
      • C-Probe 1 Current Clamp
      • C-Shunt 1
      • C-Shunt 10
      • Converter optical – electrical
      • CMUSB-P USB to Parallel Converter
      • Generator Combination Cable
      • CMC Wiring Accessory Package
      • Standard CMx Accessories
      • Transport Cases
      • Foldable Stand
      • CM Recloser and Sectionalizer Test Cables
  • Other Test Equipment
    • CPC 100 & CP CU1
      • CT Analzyer
        • Contacts
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Title: - Omicron Cmc 256 Manual Printable 2020
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