27 37 999 PHOENIX

Phoenix 27 37 999 Input module

Brand： PHOENIX Model number：27 37 999

Country of origin:Germany Product weight：0.55kg

HS code：8517623990

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Product Details：

Product Dimensions：

The Phoenix Contact 27 37 999 module acts as the head terminal unit for an Inline modular I/O station on an Interbus network. It manages the communication link between the higher-level Interbus fieldbus system and the local Inline I/O bus, facilitating fast and synchronous signal transmission. The module converts incoming optical or electrical network signals for the internal backplane, while simultaneously monitoring supply voltages and signal integrity across the connected terminal blocks. Its compact design allows direct mounting on standard DIN rails alongside digital, analog, and function modules.

Product Parameters

Order Designation: Phoenix Contact 2737999 (IBS IL 24 BK-T/U-PAC)
Bus System: Interbus fieldbus architecture
Local Bus Interface: Inline local bus interface for connected I/O terminal modules
Supply Voltage: 24 VDC nominal voltage range
Permissible Voltage Range: 19.2 VDC to 30 VDC including ripple
Current Consumption: Draws power directly from the 24 VDC main supply to power both the module and the local bus logic circuit
Connection Method: Screw or spring-cage inline connectors for bus input, bus output, and power supply links
Operating Temperature Range: -25°C to +55°C (-13°F to +131°F)
Storage Temperature Range: -25°C to +85°C (-13°F to +185°F)
Permissible Humidity: 10% to 95% non-condensing operating environment
Degree of Protection: IP20 rating according to IEC 60529
Mounting Type: Standard DIN rail mounting (NS 35/7.5 or NS 35/15)

Product Advantages

A primary advantage of the Phoenix Contact 27 37 999 module is its modular flexibility, allowing system designers to build tailored I/O nodes without unnecessary space consumption.

The integrated backplane power generation delivers power to connected Inline modules directly through the local bus, eliminating the need for complex external wiring between adjacent terminals.

Diagnostic LEDs located on the front panel provide real-time status feedback regarding network communication, local bus health, supply voltage presence, and hardware fault conditions.

Its plug-in inline connector technology simplifies installation, wiring, and module replacement, which drastically reduces maintenance downtime in industrial production lines.

Important Considerations and Precautions

When installing and commissioning the Phoenix Contact 27 37 999 module, proper shielding of the Interbus cable is mandatory to prevent electromagnetic interference from distorting communication signals.

System integrators must calculate the total current consumption of all attached Inline local bus modules to ensure the total current does not exceed the maximum allowable current limit of the coupler's internal power supply logic.

Always turn off the main 24 VDC power supply before inserting, removing, or reconfiguring any module on the DIN rail to avoid electrical damage to the backplane pin contacts.

Ensure the module is operated within an enclosed control cabinet meeting appropriate protection standards, as the IP20 rating does not protect against dust, moisture, or conductive debris.

Correct termination resistors must be configured at the end of the Interbus segment to maintain signal reflections within standard specifications.

Product Applications

The Phoenix Contact 27 37 999 module is deployed across diverse industrial automation environments requiring distributed I/O integration over Interbus networks.

Automotive Manufacturing Systems: Interfacing field-level sensors, actuators, and pneumatic valves on robot assembly cells and conveyor lines with central PLC control units.
Material Handling and Logistics: Managing distributed digital and analog signals across automated sorting facilities, high-bay warehouses, and packaging machinery.
Process Automation Nodes: Interfacing field instrumentation and remote monitoring stations in chemical, water treatment, and food processing plants.
Machine Tooling and Assembly Equipment: Providing compact, local I/O expansion for custom OEM machinery, stamping presses, and automated assembly stations.

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