Atec CMC-156 User Manual

CMC 156 EP: 3 Phase Voltage + 3 Phase Current Test Set

Voltage generators/-amplifiers

Setting range

3-phase AC (L-N) 3 x 0 ... 127.5 V 1-phase AC (L-L) 1 x 0 ... 255 V DC (L-N) 3 x 0 ... ±127.5 V

Power

3-phase AC (L-N) 3 x 50 VA at 127.5 V 1-phase AC (L-N) 1 x 100 VA at 127.5 V 1-phase AC (L-L) 1 x 140 VA at 255 V DC (L-N) 1 x 90 W at ±127.5 V

14 0

1 2 7 . 5

255

Output voltage / V

1-phase AC (L-L)

3-phase AC (L-N)

1-phase AC (L-N)

Output power / VA

Accuracy

error < 0.015 % rd. 3 + 0.005 % rg. 3 typ. at 0 ... 127.5 V error < 0.04 % rd. + 0.01 % rg. guar. at 0 ... 127.5 V

Distortion (THD+N)

< 0.015 % typ., < 0.05 % guar. Resolution 6 mV Connection 4 mm (0.16 in) banana sockets/comb. socket

Current generators/-amplifiers

Setting range

3-phase AC (L-N) 3 x 0 ... 12.5 A 1-phase AC (3L-N) 1 x 0 ... 27 A DC (3L-N) 1 x 0 ... ±30 A

Power

3-phase AC (L-N) 3 x 40 VA at 12.5 A 1-phase AC (3L-N) 1 x 75 VA at 27 A 1-phase AC (L-L) 1 x 75 VA at 12.5 A DC (3L-N) 1 x 60 W at ±12.5 A

14 0

1 2 7 . 5

255

Output voltage / V

1-phase AC (L-L)

3-phase AC (L-N)

1-phase AC (L-N)

Output power / VA

Accuracy

error < 0.015 % rd. + 0.005 % rg. typ.

at 0 ... 12.5 A

error < 0.04 % rd. + 0.01 % rg. guar.

at 0 ... 12.5 A Distortion (THD+N)

< 0.025 % typ., < 0.05 % guar. Ranges 1.25 A / 12.5 A Resolution (for respective range) 50 µA / 500 µA Resolution 500 µA Max. compliance voltage (L-N)/(L-L) 4 VRMS, 6 Vpk / 8 VRMS, 12 Vpk Connection 4 mm (0.16 in) banana sockets/comb. socket

At only 9.8 kg / 22 lbs, the CMC 156 EP is the smallest and lightest solution for three-phase testing of numerical relays. Its high precision makes it also the perfect device (class 0.05 % Working Standard) for testing and calibrating meters, transducers and other measurement equipment.

Generators, general

Frequency

range sine signals 10 ... 1000 Hz range transient signals 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 (-3dB) 3.1 kHz Simulated

power S, P (calibration of energy meters)

accuracy

error < 0.05 % rd. 3 typ., < 0.1 % rd. guar. at 10-63 Hz, 50 ... 127.5 V, and 0.1 ... 12.5 A

temperature drift 0.001 % / °C typ.. < 0.05 % / °C guar.

Low level outputs

Setting range 6 x 0 ... 5 VRMS Max. output current 2 mA Accuracy error < 0.025 % typ., < 0.1 % guar. Resolution 250 µV Distortion (THD+N)

< 0.015 % typ., < 0.05 % guar. Unconventional CT/VT simulation linear Isolation SELV Usability completely independent from internal

amplifier outputs Connection 16 pin combination socket (rear side)

Binary Inputs

Number 10 Trigger criteria Toggling of potential-free contacts or DC

voltage compared to threshold voltage Input characteristics 0 ... +250 VDC threshold or potential-free Ranges (in RMS values) 250 VDC Resolution of threshold 1.5 V Sample rate 10 kHz (resolution 100 µs) Time stamping accuracy ±0.00015 % of rd.

±70 µs Max. measuring time infinite Counting function < 3 kHz at pulse width > 150 µs Galvanic isolation 2 galvanically isolated groups (4 + 6) Max. input voltage 250 VDC Connection 4 mm (0.16 in) banana sockets or measure-

ment combination socket

Counter inputs 100 kHz

Number 2 Max. counting frequency 100 kHz Pulse width > 3 µs Threshold voltage 6 V Voltage hysteresis 2 V Max. input voltage ±30 V Isolation SELV Connection 16 pin combination socket (rear side)

Technical Data

CMC 156 EP

Binary outputs, relays

Type potential-free relay contacts, software

controlled Number 4 Break capacity AC

Vmax: 250 VAC / Imax: 8 A / Pmax: 2000 VA Break capacity DC Vmax: 300 VDC / Imax: 8 A / Pmax: 50 W Connection 4 mm (0.16 in) banana sockets

Binary outputs, transistor

Type open collector transistor outputs Number 4 Update rate 10 kHz Imax 5 mA Connection 16 pin combination socket (rear side)

DC voltage measuring input

Measuring range 0 ... ±10 V Accuracy

error < 0.01 % rg.

typ., < 0.05 % rg. guar. Input impedance 1 MW Connection 4 mm (0.16 in) banana sockets or measure-

ment combination socket

DC current measuring input

Measuring range 0 ... ±20 mA Accuracy error < 0.01 % rg.

typ.,

< 0.05 % rg. guar. Input impedance 15 W Connection 4 mm (0.16 in) banana sockets or measure-

ment combination socket

Power supply

Nominal input voltage 110 – 240 VAC, 1-phase Permissible input voltage 99 ... 264 VAC Nominal frequency 50/60 Hz Permissible frequency range 47 ... 63 Hz Power consumption < 600 VA Rated current 6 A Connection Standard AC socket (IEC 60320)

Environmental conditions

Operation temperature 0 ... +50 °C (+32 ... +122 °F) Storage temperature -25 ... +70 °C (-13 ... +158 °F) Humidity range Relative humidity 5 ... 95 %,

Vibration IEC 60068-2-6 (20 m/s

non-condensing

at 10 ... 150 Hz)

Shock IEC 60068-2-27 (15 g/11 ms half-sine)

Safety Standards, Electromagnetic Compatibility

EMC The product adheres to the electromagnetic

compatibility (EMC) Directive 2004/108/EC (CE conform).

Emission Europe EN 61326-1; EN 61000-6-4; EN 61000-3-2/3

International IEC 61326-1;IEC 61000-6-4; IEC 61000-3-2/3

USA FCC Subpart B of Part 15 Class A

Immunity Europe EN 61326-1; EN 61000-6-2;

EN 61000-4-2/3/4/5/6/11

International IEC 61326-1;IEC 61000-6-2;

IEC 61000-4-2/3/4/5/6/11

Safety The product adheres to the low voltage

Directive 2006/95/EC (CE conform).

Europe EN 61010-1 Insulation of PC and SELV

interfaces complies with EN 60950-1

International IEC 61010-1

USA UL 61010-1

Canada CAN/CSA-C22.2 No 61010-1-04

Miscellaneous

Weight 9.8 kg (21.6 lbs) Dimensions (W x H x D,

(without handle) PC connection

343 x 145 x 268 mm (13.5 x 5.7 x 10.6 in)

parallel port (D-Sub 25 connector) Signal indication (LED) > 42 V for voltage outputs Hardware diagnostics Self diagnostics upon each start up Galvanic separated groups The following groups are galvanically

separated from each other: mains, voltage/

current amplifier output, binary input Protection All current and voltage outputs are

fully overload and short circuit proof and

protected against external high-voltage

transient signals and over temperature

Ordering Information

CMC 156 EP with Test Universe Software

VE001616 CMC 156 EP Basic VE001617 CMC 156 EP Protection VE001618 CMC 156 EP Advanced Protection VE001619 CMC 156 EP Meter VE001621 CMC 156 EP Measurement VE001622 CMC 156 EP Universal

Guaranteed values valid over one year within 23 °C ±5 °C (73 °F ±10 °F), in the

frequency range of 10 ... 100 Hz at nominal value, analog measurement inputs at full-scale value. Specifications for three-phase systems under symmetrical conditions (0°, 120°, 240°)

: 0 ... 0.5 W

load

rd. = reading, rg. = range

THD+N: Values at 50/60 Hz with 20 kHz bandwidth

: > 250 W

load

Data are valid for set value from 0.1 ... 12.5 A (current amplifier group A or B) at

50/60 Hz Permissible load current outputs: Range 1.25 A: 0 … 1 W and max. 1 VA, cos j = 0.5 … 1

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

Permissible load voltage outputs: max. 10 VA at 50 V … full scale voltage, cos j = 0.5 … 1

For the control of CMC 156 EP via the USB port of the PC, a CMUSB-P USB to

Parallel Converter is included in delivery