Weidmuller interface units

Introduction

Given the need to reduce costs in electrical cabinet construction,

interface units offer an alternative to wiring concepts with

point-to-point wiring. The prime function of interface units is to

act as a trouble-free adapter element between standardized

plug connectors and point-to-point wiring or other connection

systems.

Interface units consist of the following individual components:

• Extruded profile for inserting the PCB

• End plates for fitting on the mounting rail

• Clip-on feet for locking on standardized mounting rails

TS 32 and TS 35

• PCB with connecting and indicating elements, DIN plug

connectors and ample marking facilities for equipment

identification

The plug connectors used for the interface units can be divided

into the following groups:

• Plug connector to IEC 603-1/DIN 41651

• Sub-miniature plug connectors (SUB-D) to IEC 807-2/

DIN 41652

• Plug connectors for PCBs to IEC 603/DIN 41612 and

DIN 41615

• ELCO plug connectors for hazardous area applications

Pre-assembled leads with the corresponding plug connector

systems are used as the connection between the series-

connected controller and the interface unit. This provides the

greatest savings for the user. The use of interface units reduces

the individual circuitry, which reduces labor and installation time

and also hidden costs, in particular a reduction material costs

following a reduction in the number of individual cables and

leads, cable ducts, terminals and terminal blocks required.

The transition to point-to-point wiring takes place directly at the

interface element.

Users have a choice between screw, tension clamp or spade

connections for connecting actuators and/or sensors. As an

option, interface units can also integrate additional functions

such as status indicator, signal disconnector, fuses or shielding.

Identification systems make it easier to trace the signals to the

corresponding element.

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Advantages of the interface units:

• Two- and three-tier PCB terminals save space

• Conventional point-to-point wiring only needed on one side,

thus saving costs

• Greater safety, preventing wiring errors

• Optional: status LED on the interface units

• Rapid troubleshooting with additional test and measuring

devices

• Simplified setup and documentation

Interface units let users implement pioneering concepts in

switchboard design with potential for rationalization. Customized

wiring concepts can also be solved rationally through the use of

special interface units.

RSF interface units for pre-assembled leads with plug

connectors to IEC 603-1/DIN 41651

Passive interface for 10 … 64 signals for adapting pre-

assembled leads with plug connectors to IEC 603-1 /

DIN 41651 to screw or tension clamp connection systems.

When used in combination with a status indicator (LED),

this guarantees rapid information about the switching state

of incoming and outgoing signals.

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