The Electronic Load

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The Electronic Load Technical data ZS, ZSLC, ZSLV series Application Notes ZS PL H&H ZSLC Water-cooled ZSLV Low Voltage PMLI Multi-channel ZSAC AC NL Source_Sink Acessories Accuracy of manual setting, no preset function of the setting value of the corresponding range Voltage ±0.2 % ±0.05 % Current ZS,ZSLC ZSLV ±0.2 % ±0.3 % Accuracy of manual setting via preset function of the setting value ±0.05 % ±0.1 % of the corresponding range Voltage ±0.6 % ±0.05 % Current ZS,ZSLC ZSLV Resistance ZS,ZSLC ZSLV Power ZS,ZSLC ZSLV ±0.6 % ±0.7 % ±0.05 % ±0.1 % ±1.4 % ±0.3 % of current range ±0.5 % of current range ±1.4 % ±0.5 % ±1 % Current protection ±1.4 % ±0.3 % Trigger voltage ±1.4 % ±0.3 % Accuracy of display of the measured value (actual value) of the corresponding range Voltage ±0.2 % ±0.05 % ±1 digit Current ±0.2 % ±0.05 % ±1 digit Accuracy of analog control 0 ... 5 V / 0 ... 10 V for current, voltage, power of the setting value of the corresponding range Voltage ±0.2 % ±0.1 % Current Power ZS,ZSLC ZSLV ZS,ZSLC ZSLV ±0.2 % ±0.3 % ±2 % ±2.5 % ±0.1 % ±0.2 % ±0.5 % ±1 % Current protection * ±1 % ±0.4 % Trigger voltage * ±1 % ±0.4 % * only if option ZS08 is installed Input resistance of analog inputs >10 kΩ GND max. ±2 V with respect to negative load input 1) Accuracy of analog measurement outputs 0 ... 10 V for current, voltage, power 2) of analog signal of real value Offset voltage Voltage ±0.2 % ±15 mV Current Power ZS,ZSLC ZSLV ZS,ZSLC ZSLV ±0.2 % ±0.3 % ±2 % ±2.5 % GND max. ±2 V with respect to negative load input 1) Minimal load 2 kΩ ±15 mV ±30 mV ±30 mV ±60 mV External control functions Via Analog I/O Interface Load on - off Trigger input and output Range switching Operating mode switching Remote shut down Accuracy of setting Programming via data interface of setting of the corresponding range Voltage ±0.2 % ±0.05 % Current ZS,ZSLC ZSLV Resistance ZS,ZSLC ZSLV Power ZS,ZSLC ZSLV ±0.2 % ±0.3 % ±0.05 % ±0.05 % ±1 % ±0.3 % of current range ±0.5 % of current range ±1 % ±0.5 % ±1 % Current protection ±1 % ±0.3 % Trigger voltage ±1 % ±0.3 % Resolution of 16 Bit setting Accuracy off measurement, read out via data interface of the measured of the corresponding range value (actual value) Voltage ±0.1 % ±0.05 % Current ±0.2 % ±0.05 % Resolution of meas. 18 Bit Sampling rate 330 ms, not triggerable Accuracy off measurement, read out via data interface Option ZS13 of the measured of the corresponding range value (actual value) Voltage ±0.15 % ±0.07 % Current ±0.3 % ±0.07 % Resolution of meas. 13 Bit Sampling rate minimal 200 µs (into memory) triggerable Dynamics 2 currents and 2 times can be set independently Time ranges 100 ms 1000 ms Accuracy of time setting of setting ±1.4 % of the corresponding range ±0.5 % Software GTC ZSLV1502 1) 500 V with option ZS06 (apart from Zero- Volt option) 2) In the case of units with 3 and 4 setting ranges the power-proportional measurement signal is related to the selected setting range. 30
The Electronic Load Input Input resistance Input capacity Parallel operation Minimum voltage ZS-devices up to 120V ZS-devices from 300V ZSLC ZSLV Permissible operating voltage Standard with ZS06 option >50 kΩ when load input is off approx. 2 µF / 1,000 W up to 3 devices in Master-Slave mode (hardware-controlled) Vmin: negative - housing 125 V DC 500 V DC 3) 1 V 2 V 2 V see type overview Protective devices Over-current and over-power protection Over-voltage protection up to 110% of rated voltage 1) Reverse polarity protection with diode up to rated current 2) Over-temperature cut-off Transient protection Rated power up to TA = 21 °C Derating -1.2 % / °C for TA > 21 °C Overload capacity The max. possible overload Po depends on the temperature of the device and therefore on the previously consumed continuous power Pd. see type overview / diagram The possible overload duration depends on the value of the overload Px. Operating conditions Operating 5 °C ... 40 °C temperature Cooling Variable controlled fans Liquid cooling depending on model Noise Supply voltage See type overview 115/230 V~ ±10 %, 50 ... 60 Hz Dimensions, weight See type overview and table page 32 Color: Front panel Side panels, top RAL7032 (pebble grey) RAL7037 (stone grey) Electrical safety DIN EN 61010-1 EMC, CE marking DIN EN 61326-1 DIN EN 61000-3-2 DIN EN 61000-3-3 Warranty 2 years Supplementary technical data for ZSLC (water-cooled) Coolant Materials in the cooling circuit Max. coolant temperature Min. coolant temperature Water or water-glycol mix Copper, Brass, plastic 12 °C for rated power 5 °C Derating at higher -5 %/°C coolant temperature Coolant pressure for rated power Permissible operating pressure Coolant connection min. 3 bar max. 5 bar ½ inch per 8,000 W Application Notes ZS PL H&H ZSLC Water-cooled ZSLV Low Voltage PMLI Multi-channel ZSAC AC NL Source-Sink Accessories 1) 101 % with 800 V devices 2) No reverse polarity protection with Zero- Volt option 3) Apart from Zero-Volt option ZS512-4 Subject to technical modifications Software GTC 31
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: The Electronic Load Interface overv
Page 33 and 34: Our support team never makes you wa
Page 35 and 36: The Electronic Load Available Load
Page 37 and 38: The Electronic Load Technical Data
Page 39 and 40: The Electronic Load ZSAC4226 Remote
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

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