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Instruction Manual
®
Fast ALMEMO
measuring module for voltage
and current
Voltage DC ZAD 900-ABx
Current DC ZAD 901-ABx
Voltage AC ZAD 903-ABx
Current AC ZAD 904-ABx
D6 technology
English
Wechselleistung ZED 773ABxy
V 1.1
- 1 –
25.10.2022

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Summary of Contents for Ahlborn ALMEMO ZAD 900-AB Series

  • Page 1 Instruction Manual ® Fast ALMEMO measuring module for voltage and current Voltage DC ZAD 900-ABx Current DC ZAD 901-ABx Voltage AC ZAD 903-ABx Current AC ZAD 904-ABx D6 technology English Wechselleistung ZED 773ABxy V 1.1 - 1 – 25.10.2022...
  • Page 2: Table Of Contents

    1 Table of Contents Table of Contents ..................2 Explanation of Symbols ................3 Safety Notes ....................4 3.1 Intended Use ..................5 Product ....................... 6 4.1 Scope of Delivery .................. 6 4.2 Description of the Measuring Module ........... 7 4.3 Article numbers and measuring ranges of measuring module upon delivery ......................
  • Page 3: Explanation Of Symbols

    2 Explanation of Symbols Safety note Requirement Request → Notice ➢ Result Back Text displayed within a software - 3 –...
  • Page 4: Safety Notes

    3 Safety Notes → The measuring modules are – depending on the type – able to measure voltages, currents and powers for potentials above 50V. During operation and especially when connecting the measuring module or the adaptor plug, make sure that you do not touch any high voltage components. →...
  • Page 5: Intended Use

    3 Safety Notes 3.1 Intended Use The fast ALMEMO ® measuring module for voltage and current is intended for measuring current and voltage signals. These include voltage DC, current DC, voltage AC, current AC, and frequency. The measuring module is qualified for voltage measurements up to 400V (DC) and 400V (AC) as well as for current measurements up to 20A (DC) respectively 20A...
  • Page 6: Product

    4 Product 4.1 Scope of Delivery → When unpacking, please pay attention to damages to the measuring instrument as well as to the completeness of the delivery. The precise compilation of your delivery depends on your purchase order. Measuring module for voltage DC ZAD 900-ABx current DC...
  • Page 7: Description Of The Measuring Module

    4 Product 4.2 Description of the Measuring Module The ALMEMO ® DC measuring modules ZAD 900-ABx and ZAD 901-ABx record the momentary value, the maximum value, the minimum value and the average value of an DC current or an DC voltage signal. Every time the monitoring station is queried, the values will be transferred to the ALMEMO ®...
  • Page 8: Article Numbers And Measuring Ranges Of Measuring Module Upon Delivery

    4 Product 4.3 Article numbers and measuring ranges of measuring module upon delivery Designation Performance Range Measuring Dim. Resolution range ZAD 900-AB3 Voltage 1. U60.00 60V DC B-01 DACT -62.00 to 0.01 V +62.00 B-02 DMAX 2. *max. value B-03 DMIN 3.
  • Page 9 4 Product Designation Performance Range Measuring Dim. Resolution range ZAD 901-AB5 Current B-01 DACT 1. I20.00A 20 A DC -22.00 to 0.01A +22.00 2. *max.-value B-02 DMAX B-03 DMIN 3. *min. value 4. *average B-04 DAVG value ZAD 903-AB3 Voltage 1.
  • Page 10: Description Of The Adaptor Plug

    4 Product 4.4 Description of the adaptor plug The adaptor plug featuring the article number ZE 2000-PA is optionally available. The adaptor plug is intended to serve as a safe assistive device to measure voltage, current, and power at circuits that are electrically connected directly to the low-voltage grid (CAT II).
  • Page 11: Measured Value Correction

    4 Product Extension The universal extension cables ZA 9090-VKCxx, through which the measured values and the programming of the plug will be transmitted serially and free from interference via RS485 drivers, serve to extend the sensor on the measuring device. Since there is no driver for the second port, the extension must not be longer than 10 meters to still be able to configure the sensor menu.
  • Page 12: Sensor Menu

    4 Product 4.8 Sensor Menu In order to retain the sustainability for many years without changing the measuring device, every D6 sensor features an individual sensor menu, which can be accessed via every ALMEMO ® V7 measuring device. This way it is possible to configure measuring ranges or other specific sensor functions.
  • Page 13 4 Product The ALMEMO Control program enables the configuration via the sensor menu ® (starting with V. 5.14.0.330). For this purpose, you will find the “Sensor Menu” under “Edit” in the list of the monitoring points. In this “Sensor Menu” you can primarily program up to 4 monitoring points with the specific measuring ranges of the D6 sensor and further settings.
  • Page 14: How To Measure With The Measuring Module

    5 How to measure with the measuring module Pay attention to the measuring range indicated on the nameplate when connecting the measuring module. In case you want to use the adaptor plug as an assistive device for measuring voltage and current on power circuits that are directly connected to the low-voltage circuit, pay attention to the Notices in chapter 6 How to use the adaptor plug.
  • Page 15: How To Measure Current Dc With The Module Zad 901-Abx

    5 How to measure with the measuring module ➢ The measured values will be displayed on the ALMEMO measuring device. ® 5.2 How to measure current DC with the module ZAD 901-ABx For currents higher that 10A, the device internal current measurement path is not intended for continuous operation.
  • Page 16: How To Measure Voltage Ac With The Module Zad 903-Abx

    5 How to measure with the measuring module 5. Connect the measuring module to the current path of the load whereby the blue connection cable must be connected to the positive pole and the blue socket (A). The black connection cable must be connected to the ground (COM).
  • Page 17: How To Measure Current Ac With The Module Zad 904-Abx

    5 How to measure with the measuring module 4. Connect the voltage source by means of the connection cables to the sockets of the measuring module. 5. Switch on the voltage on the voltage source. ➢ The measured values will be displayed on the ALMEMO measuring device.
  • Page 18 5 How to measure with the measuring module 2. Switch off the load to make sure no current flows and check that no voltage is applied to the module. 3. Insert the ALMEMO plug of the measuring module into an ALMEMO input ®...
  • Page 19: How To Use The Adaptor Plug

    6 How to use the adaptor plug Please keep in mind that while installing the mains adaptor, a quick disconnection from the power supply must be possible at all times. Wire in a zero-potential condition (especially for measurements above 50V). During operation never touch any exposed connections and components to avoid electric shocks.
  • Page 20: Voltage Measurement With The Adaptor Plug

    6 How to use the adaptor plug 6.1 Voltage measurement with the adaptor plug 1. Plug in the jumper to the sockets A and COM of the adaptor plug. 2. Connect the red connection cable to the red socket (V) of the measuring module and to the red socket (V) of the adaptor plug.
  • Page 21: Maintenance And Care

    All repair and maintenance work shall only be performed by the Ahlborn Company (Ahlborn Mess- und Regelungstechnik GmbH). → In case of necessary repair or maintenance work, please send the device(s) to the service department of the Ahlborn Company. - 21 –...
  • Page 22: Warranty

    8 Warranty Before leaving the factory, every device has passed several quality tests. For proper functioning, a 2 year warranty is granted beginning with the day of delivery. In case of a defect, please use – if possible – the original packing material and attach a precise description of the defect as well as of the corresponding boundary conditions.
  • Page 23: Disposal

    9 Disposal The symbol of a crossed-out waste bin implies that the product must be disposed of separately in the European Union. This applies to the product itself as well as to all accessory components labeled with this symbol. The products must not be discarded via the unsorted municipal waste.
  • Page 24: Technical Data

    10 Technical Data Measuring module Input socket Safety sockets CAT III, 20 A, Ø 4 mm Galvanic isolation 6 kV Sampling rate 1 KHz intern Recording the current, max., min., and average value ® Refresh rate DC and transferring these values to the ALMEMO device with every query of the monitoring station.
  • Page 25 10 Technical Data Adaptor plug Input sockets/ Safety sockets CAT II, 16 A, Ø 4 mm jumper 230 V, 16 A, 50 Hz Nominal conditions 23 °C ± 2 K, 10 to 90% RH ( non-condensing) Operating conditions operating temperature +5 to +40 °C (storage temperature: -20 to +60 °C) ambient air humidity...
  • Page 26 Notes - 26 –...
  • Page 27 Notes Despite great care, incorrect information cannot be ruled out. Technical changes are reserved. - 27 –...
  • Page 28 You will find the present and further Instruction Manuals, as well as the ® ALMEMO Manual on www.ahlborn.com under the tab SERVICE DOWNLOADS. © Ahlborn Mess- und Regelungstechnik GmbH 2021 All rights reserverd. Ahlborn Mess- und Regelungstechnik GmbH, Eichenfeldstraße 1-3, D-83607 Holzkirchen, Phone +49(0)8024/3007-0, Fax +49(0)8024/30071-0 Internet: http://www.ahlborn.com, Email: amr@ahlborn.com...

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