Related Manuals for IFM DF11 Series
Summary of Contents for IFM DF11 Series
- Page 1 Operating instructions Electronic circuit breakers, standard for the 24 V DC secondary circuit DF11xx DF12xx DF25xx...
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Page 2: Table Of Contents
DF11xx DF12xx DF25xx Electronic circuit breakers, standard Contents Preliminary note ............. Symbols used . -
Page 3: Preliminary Note
Electronic circuit breakers, standard DF11xx DF12xx DF25xx 1 Preliminary note You will find instructions, technical 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... -
Page 4: Safety Instructions
DF11xx DF12xx DF25xx Electronic circuit breakers, standard 2 Safety instructions • The unit described is a subcomponent for integration into a system. – The system architect is responsible for the safety of the system. – The system architect undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system. -
Page 5: Intended Use
Electronic circuit breakers, standard DF11xx DF12xx DF25xx 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: Function
DF11xx DF12xx DF25xx Electronic circuit breakers, standard 4 Function The circuit protection modules are available with either fixed or adjustable currents and are equipped with a fail-safe element (integrated fuse). Supply module ● — Circuit protection module — ● Interface — —... -
Page 7: Installation
Electronic circuit breakers, standard DF11xx DF12xx DF25xx 5 Installation u Mount the devices on a 35 mm rail. Rail Contact lever Installation area Operating area Fig. 1: Example circuit protection module DF12xx... -
Page 8: Electrical Connection
DF11xx DF12xx DF25xx Electronic circuit breakers, standard 6 Electrical connection u Dimension cables according to input and output current. u Insert wires directly into the terminals as shown on the device label. Art. no. Terminals Potential Cross-section [mm²] Stripping length [mm] DF11xx 24 V DC supply... -
Page 9: Operating And Display Elements
Electronic circuit breakers, standard DF11xx DF12xx DF25xx 7 Operating and display elements Fig. 2: Example DF11xx supply module Fig. 3: Example DFx2xx circuit protection module 7.1 DF12xx circuit protection modules The different operating states of the circuit protection modules are indicated by the status LED. Status LED Operating status Status of load output... -
Page 10: Setting Of The Nominal Current
DF11xx DF12xx DF25xx Electronic circuit breakers, standard 7.3 Setting of the nominal current Only for circuit protection modules with adjustable nominal current. u Press the ON/OFF/reset button of the requested channel min. 5 seconds. w The status LED of the selected channel flashes red once. w The status LED slowly flashes green, max. -
Page 11: Maintenance, Repair And Disposal
Electronic circuit breakers, standard DF11xx DF12xx DF25xx 8 Maintenance, repair and disposal The operation of the unit is maintenance-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.