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IFM DF21 Series, Operating Instructions Manual

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IFM DF21 Series Operating Instructions Manual Download Page 5

Electronic circuit breakers, IO-Link

DF21xx DF22xx DF25xx

5

3 Intended use

Electronic overcurrent protection for primary switched-mode 24V DC power supplies. A supply module
must be combined with at least one circuit protection module and, optionally, complemented by
supply/feedback/potential modules.

Summary of Contents for DF21 Series

Page 1: ...Operating instructions Electronic circuit breakers IO Link for the 24 V DC secondary circuit DF21xx DF22xx DF25xx 11367181 00 09 2022 GB ...

Page 2: ...tallation 8 6 Electrical connection 9 6 1 Supply feedback and potential modules 9 7 Operating and display elements 10 7 1 DF21xx supply modules 10 7 1 1 Correct operation 10 7 1 2 Independent operation 10 7 1 3 Uncritical error 10 7 1 4 Critical error 11 7 1 5 System start 11 7 2 DF22xx circuit protection modules 11 7 3 Interrogation of module to confirm the set nominal current 11 7 4 Setting of t...

Page 3: ...data approvals and further information using the QR code on the unit packaging or at www ifm com 1 1 Symbols used Requirement Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference Information Supplementary note ...

Page 4: ...not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator Installation electrical connection set up operation and maintenance of the product must be carried out by qualified personnel authorised by the machine operator Protect units and cables agains...

Page 5: ...x DF25xx 5 3 Intended use Electronic overcurrent protection for primary switched mode 24V DC power supplies A supply module must be combined with at least one circuit protection module and optionally complemented by supply feedback potential modules ...

Page 6: ...nstallation area IP 20 operating area Electrical connection Type push in terminals contact lever strip applicable 4 1 Temperature factor continuous current rating The time current characteristic curve depends on the ambient temperature To determine the max permitted load current multiply the nominal device current by the temperature factor taking into consideration the series connection Ambient te...

Page 7: ...alue generation of the measured current and voltage values for each channel over any period of time Averaging of the measured current and voltage values for each channel over any period of time Permanent switching on of individual channels in order to ignore the cyclic data exchange e g to guarantee the voltage supply of important devices The safety function remains active You will find the IODDs ...

Page 8: ...xx DF25xx Electronic circuit breakers IO Link 8 5 Installation u Mount the devices on a 35 mm rail 2 3 4 1 Fig 1 Example circuit protection module DF22xx 1 Rail 2 Contact lever 3 Installation area 4 Operating area ...

Page 9: ...mm wide micro screwdriver As soon as the supply module is supplied with voltage the device closes the contacts connected to terminals 13 and 14 If a fault occurs at one or several of the connected channels the device opens the contacts again 6 1 Supply feedback and potential modules In combination with GND potential modules DF311x the GND supply modules DF310x are used to reduce wiring In order to...

Page 10: ...2 Independent operation No connection to the IO Link master If there is no connection to the IO Link master when the operating voltage has been applied the supply module transfers the parameter data to the connected circuit protection modules The behaviour of the connected circuit protection modules is controlled via the configuration of the supply module Either the status of the circuit protectio...

Page 11: ... on Triggering via short circuit or overload off Undervoltage in ON status with automatic switching on again Tab 2 Status LED DF22xx circuit protection modules 7 3 Interrogation of module to confirm the set nominal current Only for circuit protection modules with adjustable nominal current u Press the ON OFF reset button of the requested channel between 2 and 5 seconds w The status LED of the sele...

Page 12: ...ce free Only the manufacturer is allowed to repair the unit u After use dispose of the device in an environmentally friendly way in accordance with the applicable national regulations Cleaning the unit u Disconnect the unit from the voltage supply u Clean the unit from dirt using a soft chemically untreated and dry micro fibre cloth ...

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