PHOENIX Input module 2900173 UM-2KS50/16DI/RS/MKDS

PHOENIX CONTACT UM-2KS50/16DI/RS/MKDS 

16-Channel Digital Input Module

The PHOENIX CONTACT UM-2KS50/16DI/RS/MKDS is a high-density, 16-channel digital input module from the renowned INLINE and PHOENIX INPUT family. Designed for integration into modular control and automation systems, this module serves as a robust and reliable interface for connecting a wide array of digital sensors and binary signals to a higher-level controller or PLC.

Engineered for efficiency and performance, it is an ideal solution for applications requiring the monitoring of multiple discrete signals in machinery, plant engineering, process automation, and packaging systems.

Key Features & Technical Specifications

• Product Type: Digital Input Module (Sourcing)

• Number of Channels: 16

• Input Voltage: 24 V DC (Nominal)

• Signal Level "1": 15...30 V DC

• Signal Level "0": -30...5 V DC

• Electrical Isolation: 500 V (Channel-to-Bus)

• Input Current: Typically 3 mA per channel (at 24 V)

• Connection Technology: MKDS 1 Spring-Cage Connection (push-wire)

  • Enables fast, tool-less wiring for significant time savings during installation and maintenance.

  • Secure connection for solid and finely stranded conductors.

• Module Interface: RS-485

  • Allows for serial communication with master controllers or PLCs.

  • Supports daisy-chaining of multiple modules on a single bus, reducing wiring complexity.

• Mounting: INLINE Terminal Block

  • Modules snap onto a standardized 35 mm DIN rail.

  • Modules can be easily grouped and expanded side-by-side to form a compact station.

• Diagnostics: LED Status Indicator per Channel

  • Provides clear visual feedback on the status of each input (signal ON/OFF), facilitating quick troubleshooting.

• Approvals: CE, cULus, ATEX, IECEx, GL, DNV

  • Certified for use in a wide range of industrial environments, including potentially explosive atmospheres (Zone 2).

Ordering Information

• Manufacturer Part Number: 2900173

• Full Product Designation: UM-2KS50/16DI/RS/MKDS

• UPC/EAN: 4052745623641

Typical Applications

The UM-2KS50/16DI/RS/MKDS module is perfect for acquiring binary state information from devices such as:

• Push buttons, selector switches, and control commands

• Proximity sensors (e.g., inductive PNP sensors)

• Limit switches and photocells

• Relay and contactor contacts

• Safety interlock signals

Why Choose This Module?

• High Channel Density: 16 inputs in a single module width maximize control cabinet space utilization.

• Fast Installation: The proven MKDS push-wire connection technology drastically reduces wiring time.

• Proven Reliability: Built to PHOENIX CONTACT's high-quality standards for operation in harsh industrial environments with high EMI immunity.

• Flexible System Integration: The RS-485 interface offers a cost-effective solution for creating decentralized I/O stations.

• Global Compliance: With major international approvals, this module is suitable for global projects.