The Electronic Load

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The Electronic Load Electronic AC Loads, ZSAC Series Application Notes ZS PL H&H ZSLC Water-cooled ZSLV Low Voltage PMLI Multi-channel ZSAC AC NL Source-Sinkl Accessories Software RS-232 USB GPIB LAN Interface overview System bus Analog Analog isolated X Standard Frequency range up to 700 Hz As single phase version and for 3-phase Star and delta connection possible Input voltages up to 440 V Power 400 W ... 21,000 W Current and resistance mode Programmable waveform Operating Modes The AC current loads of the ZSAC series feature constant current and resistance operating modes. In AC mode the current is set as sinusoidal. In resistance mode the height and waveform of the current depends on the input voltage. Voltage Types Depending on the type of voltage the devices can be switched between mains voltage and/or mains-synchronous voltage, AC voltage with variable frequency and DC voltage. O O O O O X O O Option / not available ZSAC4226 Waveforms In current mode a lowdistortion sinusoidal waveform is a permanently saved setting. In resistance mode the current depends on the waveform of the applied input voltage. Any waveform can be specified by programming and saved in the retrievable waveform memory. Functions for harmonics, phase-controlled currents and currents with adjustable crest factor are stored permanently. The phase angle adjustment is combined with the crest factor adjustment. Dynamic loads Phase angle adjustment combined with crest factor Harmonics, phase control SCPI programming with measurement function Full electronic protection Isolated measurement outputs for voltage and current Isolated analog control input Dynamics The inbuilt modular enables two independently adjustable currents and times within the range from 100 μs ... 1 s. In AC mode the modulator serves to adjust the envelope curve of the AC current (amplitude modulation). GTC 38
The Electronic Load ZSAC4226 Remote Control Cooling All load functions can be The units are air-cooled. To controlled remotely via the keep the operating noise low, standard Analog I/O Interface . the fans are temperature and The control inputs can be current-dependently controlled. operated with TTL levels and 24 V from PLC controllers. Mechanics Analog Control Input The ZS is a sturdy 19“ rack In the constant-current design and can also be used as operating mode the current can a table-top device. be set by 0 ... 3.5 V or 0 ... 7 V DC. Analog Measurement Outputs There are 0 ... 7 V analog measurement signals for voltage, current and power available. The outputs are electrically isolated from the load input. From 5 height units there are retractable handles on the top of the device. Optional castors can be mounted on heavy devices. Separate installation kits are needed for 19“ rack installation. Connections All connections are at the back. The current connections are designed as touch-protected sockets for 4 or 6mm plugs. Interfaces (Accessories) The interface cards are removable and can be exchanged or expanded as required. The devices can be fitted with the following interfaces: RS-232 + USB 1) (Option ZS01) GPIB + RS-232 + USB 1) (Option ZS02) System interface fiber optic (Option ZS05) Ethernet-RS-232 converter (Option ZS15) GTC Application Notes ZS PL H&H ZSLC Water-cooled Software ZSLV Low Voltage PMLI Multi-channel ZSAC AC NL Source-Sink Accessories 39
Page 1 and 2: Issue 03/2013 The Electronic Load
Page 3 and 4: Contents H&H Location Page 4 Qualit
Page 5 and 6: The Electronic Load H&H and Quality
Page 7 and 8: The Electronic Load H&H Service is
Page 9 and 10: The Electronic Load RS-232 Interfac
Page 11 and 12: It all started with ... Manufacturi
Page 13 and 14: The Electronic Load ZS4812 Analog C
Page 15 and 16: The Electronic Load Data Acquisitio
Page 17 and 18: The Electronic Load Software Tools
Page 19 and 20: The Electronic Load 1,800 W ... 4,8
Page 21 and 22: The Electronic Load 9,800 W ... 14,
Page 23 and 24: The Electronic Load 18,200 W ... 24
Page 25 and 26: For our customers, precision is key
Page 27 and 28: The Electronic Load 8,000 W ... 24,
Page 29 and 30: The Electronic Load Interface overv
Page 31 and 32: The Electronic Load Input Input res
Page 33 and 34: Our support team never makes you wa
Page 35 and 36: The Electronic Load Available Load
Page 37: The Electronic Load Technical Data
Page 41 and 42: The Electronic Load Setting Up Thre
Page 43 and 44: The Electronic Load 400 W ... 21,00
Page 45 and 46: We´re going all out for electricit
Page 47 and 48: The Electronic Load Remote Control
Page 49 and 50: The Electronic Load Calibration Fac
Page 51 and 52: The Electronic Load Type Overview o
Page 53 and 54: The Electronic Load Dimensions h: S
Page 55 and 56: The Electronic Load High Current Ca
Page 57 and 58: The Electronic Load 19“ Racks 19
Page 59 and 60: The Electronic Load H&H Application
Page 61 and 62: The Electronic Load Function Via th
Page 63 and 64: The Electronic Load Loading AC volt
Page 65 and 66: The Electronic Load H&H Application
Page 67 and 68: The Electronic Load Example 5 CF =
Page 69 and 70: The Electronic Load Option MPP Trac
Page 71 and 72: The Electronic Load Data Logging Du
Page 73 and 74: The Electronic Load Display Both pr
Page 75 and 76: Johann Hackl Helmut Höcherl After

The Electronic Load

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