IB-IL-RS-485/422-PAC PHOENIX

Phoenix IB-IL-RS-485/422-PAC Basis unit

Brand： PHOENIX Model number：IB-IL-RS-485/422-PAC

Country of origin:Germany Product weight：0.55kg

HS code：8517623990

Product Details：

Product Dimensions：

A Phoenix Contact basis unit is designed to act as an intermediate interface between field-level sensors or actuators and higher-level control systems like PLCs. The module mounts directly onto standard 35 mm DIN rails and features a modular housing built from robust polyamide insulating materials. It integrates internal circuit elements such as status indicator LEDs, damping diodes, polarity protection diodes, and freewheeling diodes to safeguard control circuits against inductive voltage spikes. The pluggable interface allows active electromechanical or solid-state relays to be inserted or replaced quickly while leaving the base unit's terminal wiring fully intact, significantly simplifying maintenance routines.

Product Parameters

Mounting Standard: Fits standard DIN rail NS 35/7.5 or NS 35/15.
Module Width: Ultra-compact housing profiles starting at 6.2 mm for high-density control cabinet designs.
Nominal Input Voltage Options: Common ratings include 12 V DC, 24 V DC, 120 V AC/DC, and 230 V AC/DC depending on the specific model.
Connection Technologies: Available with Screw connection or Push-in connection technology for quick, tool-free wiring.
Conductor Cross Sections: Accommodates rigid and flexible wiring ranges from 0.14 mm² to 2.5 mm² (26 AWG to 14 AWG).
Stripping Length: Standard 8 mm stripping length for incoming wiring conductors.
Housing Material: High-grade polyamide with UL 94 V0 or V2 flammability rating.
Degree of Protection: IP20 protection class according to IEC standards.
Operating Ambient Temperature: Operational range from -40°C to 60°C (-40°F to 140°F).
Integrated Circuit Features: Includes freewheeling damping diodes, reverse polarity protection, and optical LED status displays.

Product Advantages

The main advantage of using a Phoenix Contact basis unit is its ability to reduce control panel space requirements due to its slim, space-saving enclosure profiles.

Push-in connection variants allow tool-free, vibration-resistant conductor insertion, drastically cutting down installation and wiring time during panel construction.

The separated housing design isolates field wiring from switching elements, meaning failed relays can be replaced instantly without needing to disconnect external wires.

Integrated protective circuits eliminate the need for extra external suppression components, protecting upstream PLC digital outputs from back-EMF spikes.

Standardized plug-in bridge accessories enable easy distribution of power potentials across multiple adjacent base units, reducing overall wiring complexity.

Important Considerations and Precautions

Ensure that the selected base unit's nominal input voltage matches the specific operational voltage required by both the control system and the plug-in relay module.

Always verify that wire conductors are stripped to the exact recommended length to prevent exposed live parts or poor electrical contact.

When using screw-connection terminal models, adhere strictly to the recommended tightening torque values to avoid damaging the internal cage clamp assembly.

Disconnect all primary power sources before installing, removing, or servicing the base unit and its associated plug-in modules to prevent electrical shock or arc flashes.

Operate the module within specified ambient temperature and humidity boundaries, avoiding conditions that promote internal condensation or ice buildup.

Product Applications

Phoenix Contact basis units are widely deployed across industrial automation systems to provide robust isolation and signal adaptation.

PLC Input and Output Interfacing: Isolating sensitive programmable controller output channels from high-power field devices such as solenoid valves, motors, and contactors.
Control Cabinet Automation: High-density control panel building where panel space is constrained and rapid installation is required.
Building Automation and Infrastructure: Interfacing environmental sensors, lighting controllers, and HVAC actuators with central supervisory systems.
Process and Energy Engineering: Distributing signals in power generation facilities, photovoltaic systems, and water treatment plants requiring long-term reliability.
Machine Tool Construction: Routing digital control signals to pneumatic grippers, drive units, and safety interlocking systems.

IB STME 24 AI 4/SF PHOENIX

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