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LABORATORY
CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES Features
* * * * * Three phase operation High frequency output Advance measurement capability (CWP only) Wide AC input range Excellent output stability
Product Overview
The Continuous Wave (CW) series of AC power sources provides clean single phase power at an impressive price/performance ratio. These compact switch mode sources come in two series, manual (CW-M) or programmable (CW-P) with standard IEEE-488.2 and RS232 control. Both series have three power levels, 800VA, 1250VA and 2500VA. The 800 and 1250VA models are 2RU high and allow the unit under test to be connected to the front or rear panel. The 2500VA model is 3RU high with rear panel output connections. All models can be operated in a bench-top or rack-mount configuration. The front panels have two bright four digit, seven segment displays. Power Factors Corrected (PFC) universal input voltage allows maximum to be delivered from an AC outlet without user selecting the range. Fully rated current is delivered for either output voltage range of 135VAC or 270VAC over a standard frequency range of 45-500Hz. Custom output voltage are available (consult Powerbox for details). Both series can be operated in parallel or three phase configurations. A separate output on/off switch controls power to the load. Remote voltage sense is standard. Transformer coupled output is protected against over-voltage and over-current. The unit is also protected against over-temperature conditions. A two-speed fan results in quieter operation at lower power levels. All models are CE marked.
Manual CW Features and Benefits
The manual series front panel knobs (10 turn potentiometers) allow quick adjustment of voltage, current and frequency settings. Frequency and voltage can be programmed remotely using a 0-5V analog signal. LED's indicate: output-on, voltage or current mode operation, fault and slave modes. Models can also be paralleled in the field or configured for three phase operation using factory supplied optional cables. Current shutdown or fold-back modes can be selected from rear panel switch.
Programmable CW Features and Benefits
Front panel encoder knobs allow programming of voltage, current and frequency settings. Programmed or measured values can be viewed on the two LED displays through push button selection. Menu push buttons enable setting system configuration including parallel or three phase operations. This menu also allows setting current shutdown of fold-back modes. Remote IEEE-488.2 and RS232 control interfaces are standard. LEDs indicate high and low range output voltage, measure a program mode, voltage a current mode generation and output on. Also indicate menu/status, remote control, lockout and fault conditions. Digital Signal Processing (DSP) based measurements include voltage, current (amperes, peak amperes, crest factors), power (watts, VA and power factor) and frequency.
Product Applications
The Continuous Wave is designed for testing single or poly-phase electronics. The CW is well suited for applications requiring a cost-effective low profile AC source.
APPLICATION INCLUDE:
* Testing for real world sine wave power conditions * 400Hz testing for avionics equipment (50/60Hz margin testing) * Ballast testing (Components testing) * Power supply testing for AC to DC converters
496
CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES
CW SPECIFICATIONS REGULATORY COMPLIANCE DIMENSIONS
CW 801 and CW 1251 CW 2501 2RU 89mm (H) x 483mm (W) x 524mm (D) 3RU 133mm (H) x 483mm (W) x 524mm (D) 22kg 24kg 39kg 25kg 28kg 43kg Dual speed fan with side air intake, exhaust to rear 0 to 40 OC -40OC to +70 OC 0 to 85% at 25 C de-rate to 50% at 40 OC (non condensing) Operating full power available up to 6,000 feet, non operating to 40,000 feet
O
LABORATORY
MANUAL (M) GENERAL
PROGRAMMABLE (P)
CE mark
WEIGHT
CW 801 CW 1251 CW 2501
SHIPPING WEIGHT
CW 801 CW 1251 CW 2501
ENVIRONMENTAL
Cooling Operating Temperature Storage Temperature Humidity Altitude
ORDERING INFORMATION MODEL NUMBER OUTPUT (SINGLE PHASE) MAXIMUM POWER MAXIMUM CURRENT 135V 270V
3.0A 4.7A 9.3A
INPUT (SINGLE PHASE) VOLTAGE (47-63HZ)
90 to 264VAC 103 to 264VAC 180 to 264VAC
CW-Manual
CW 801M CW 1251M CW 2501M 800VA 1250VA 2500VA 6.0A 9.4A 18.6A
CW-Programmable
CW 801P CW 1251P CW 2501P 800VA 1250VA 2500VA 6.0A 9.4A 18.6A 3.0A 4.7A 9.3A 90 to 264VAC 103 to 264VAC 180 to 264VAC
Options and Accessories
H: Expanded frequency range 45 to 1000Hz (CW-P only) L: Locking shafts (front panel potentiometers) (CW-M only) S: Sync In/Out (clock/lock) (standard on CW-P) V: Extended voltage range 0-155V, 0-310V (CW-P only) RACK SLIDE KIT
Part No. K16570-01
MULTI-UNIT CABLE
Part No. 890-497-40 Required for parallel and paralled polyphase CW-M and CW-P systems.
DIGITAL EXPANSION CABLE
Part No. 890-499-00 (CW-P only) Required for parallel and paralled polyphase CW-P systems.
Your dependable power partner - www.powerbox.com.au
499
LABORATORY
CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES
CW SPECIFICATIONS
Peak Current*Range CW 801 CW 1251 CW 2501 Accuracy Resolution FREQUENCY Range Accuracy Resolution of display POWER* Range CW 801 CW 1251 CW 2501 Accuracy Resolution APPARENT POWER* Range CW 801 CW 1251 CW 2501 Accuracy Resolution POWER FACTORS* Range Accuracy Resolution CREST FACTORS* Range Accuracy Resolution FRONT PANEL DISPLAYS & INDICATORS Menu/ Status Green LED for output on, V mode, I mode, slave Red LED for Fault 4 digit display, green LED (volts) 4 digit display, green LED (amperes) Green LED's for remote and lockout, voltage mode, current mode, red LED for fault Enter/escape buttons are present for programming 4 digit display green LED (volts, watts, VA, PF, OVP) 4 digit display green LED (amps, Hz, Pk amps, CF, I limit) Green LED (amps, HZ, I limit) Green LED
MANUALS (M)
PROGAMMABLE (P)
0 to 25A 0 to 35A 0 to 70A +/-2% of range 0.1A
45 to 500Hz (45-1000Hz optional on programmable unit only ) +/-0.5% of reading 0.1Hz +/-0.02% of value
0 to 800W 0 to 1250W 0 to 2500W +/-2% of range for linear loads 1W
0 to 800 VA 0 to 1250 VA 0 to 2500 VA +/- 2% of range for linear loads 1 VA 0 to 1 +/- 4 % of range for linear 0.01 0 to 3.5 +/-5% of range 0.01
Voltage Current/ Frequency Program/Measure V Range High/Low INPUT VOLTAGE AND FREQUENCY CW 801 CW 1251 CW 2501 CURRENT CW 801 CW 1251 CW 2501 Power Factor Efficiency
90 to 264VAC, 47 to 63Hz, single-phase 103 to 264VAC, 47 to 63Hz, single-phase 180 to 264VAC, 47 to 63Hz, single-phase 13 ARMS max 18.5 ARMS max 19.5 ARMS max > 0.99 typical at full load nominal line > 73% typical at full load
Note: In a parallel system, the current/power displayed in the master unit is the sum of all units in the system. 498
LABORATORY
CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES
CW SPECIFICATION MANUAL (M) OUTPUT POWER
CW 801 CW 1251 CW 2501 Power factor of load Phase 800VA 1250VA 2500VA 0 lag to 0 lead All models single phase output 0-135VRMS or 0 to 275VRMS, user selectable (consult factory for custom output voltages) +/-1% of range (> 5VAC out) +/-0.1% of range < 100Hz, +/-0.2% of range,> 100Hz (>5 VAC out) 0.1VRMS 0.25% typical < 100Hz add 0.5%/100Hz above 100Hz < 50 mVRMS typical for CW801 & CW1251, 100 mVRMS typical for CW2501 +/-0.1% of full scale over 8 hours at constant line, load and +/-0.05% of full scale over 8 hours at constant line, load and temperature after 15 minute warm-up typical temperature after 15 minutes warm-up typical +/-0.1% of full scale voltage for a full resistive load to no load (<10 mVRMS typical, measured at point of sense) +/-0.1% of full scale voltage for a +/-10% line change from nominal line voltage (<5 mVRMS typical, measured at point of sense) Compensation for up to 5 VRMS total lead voltage drop 6.0 ARMS in 135VAC range or 3.0 ARMS in 270 VAC range 9.4 ARMS in 135VAC range or 4.7 ARMS in 270VAC range 18.6 ARMS in 135VAC range or 9.3 ARMS in 270VAC range +/-0.5% typical 0.1 ARMS +/-0.6% max 0.01 ARMS
PROGRAMMABLE (P)
VOLTAGE
Ranges Accuracy Resolution Total harmonic distortion AC noise level Amplitude stability
Load regulation Line regulation Remote voltage sense
CURRENT
CW 801 CW 1251 CW 2501 Accuracy Resolution
FREQUENCY
Range Accuracy Resolution
45 to 500Hz(45 to 1000Hz optional on programmable unit only) +/-0.5% typical 0.1Hz +/-0.02% max 0.1Hz, 0.01Hz for remote programming -359 to +359 degrees. Positive phase indicates time lag from reference Within 100 microseconds of equivalent angle 1 degree
PHASE ANGLE
Range Accuracy Resolution
MEASUREMENT
Voltage range Accuracy Resolution Current* Range CW 801 CW 125I CW 2501 Accuracy Resolution +/-2% of range for linear loads with current 0.2A for 800VA & 1200VA, 0.4A for 2500VA 0.1ARMS 0-270 VRMS +/-1% of full range for voltage (>5VAC out), measured at point of sense +/-0.1% of range < 100Hz, +/-0.2% of range >100Hz, measured at point of sense (> 5VAC out)
0.1 VRMS
0 to 6.0 ARMS 0 to 9.4ARMS 0 to 18.6ARMS +/-0.6% of range for linear loads with current 0.2A for 800VA & 1200VA, 0.4A for 2500VA 0.01 ARMS
Note: In a parallel system, the current/power displayed in the master unit is the sum of all units in the system.
Your dependable power partner - www.powerbox.com.au
497
LABORATORY
500
CW Series
800-2500VA PROGRAMMABLE AC POWER SERIES Technical Illustrations
CW MANUAL
CW PROGRAMMABLE

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