Phoenix UM 45 Series: Industrial Interface & Protocol Conversion Modules - Selection Guide 

Product Overview

The Phoenix UM 45 Series comprises specialized industrial interface and protocol conversion modules designed for seamless integration between diverse industrial devices, controllers, and networks. Focused on FLK protocol compatibility (FLK14/16/26/34/40/50/KS34/KS40/KS50), these modules support controller-specific integration (Siemens S7-300, Allen-Bradley 1756, generic PLCs), multi-channel input/output (8IM/32IM), and enhanced functions (ZFKDS, FRONT/Q, LA). Featuring robust industrial design, 35mm DIN rail mounting, and compatibility with industrial automation systems, they enable reliable signal transmission, protocol conversion, and device interoperability in manufacturing, process automation, and control cabinet applications.

Model Quick Reference Table

1. UM 45 FLKS (Enhanced FLK) Modules

2. UM 45 FLK50 (High-Density FLK) Modules

3. UM 45 FLK40/FLK34/FLK26/FLK16 Modules

4. UM 45 FLK14 (Compact FLK) Modules

5. Specialized UM 45 Modules

Core Technical Specifications (Universal)

Application Scenarios & Recommended Models

1. FLK50-Siemens S7-300 Integration

• Requirement: FLK50 protocol connectivity between industrial devices and Siemens S7-300 PLC
• Recommended Model: 2304610 (UM 45-FLK50/S7-300)
• Key Reason: S7-300-specific compatibility; FLK50 high-density signal transmission

2. High-Density 32-Channel FLK50 Input (PLC-Compatible)

• Requirement: 32-channel FLK50 input module with PLC integration and enhanced protection
• Recommended Model: 2965224 (UM 45-FLK50/32IM/ZFKDS/PLC)
• Key Reason: 32IM high-channel density; ZFKDS protection; generic PLC compatibility

3. Compact FLK14-PLC Integration (8-Channel)

• Requirement: 8-channel FLK14 input for space-constrained PLC systems
• Recommended Model: 2962887 (UM 45-FLK14/8IM/PLC)
• Key Reason: 8IM compact design; FLK14 protocol; PLC compatibility

4. FLK50-Allen-Bradley 1756 Integration

• Requirement: FLK50 protocol connectivity with Allen-Bradley 1756 controller
• Recommended Model: 2968357 (UM 45-FLK50/AB-1756)
• Key Reason: AB 1756-specific compatibility; reliable FLK50 signal conversion

5. Enhanced FLKS50 Signal Transmission (ZFKDS)

• Requirement: FLKS50 protocol with advanced protection for critical signals
• Recommended Model: 2968470 (UM 45-FLKS50/ZFKDS)
• Key Reason: FLKS50 enhanced protocol; ZFKDS function for signal protection

Core Advantages

• Wide FLK Protocol Coverage: Supports FLK14~50 and FLKS34~50 for diverse industrial device compatibility
• Controller-Specific Integration: Tailored for Siemens S7-300, Allen-Bradley 1756, and generic PLCs
• High-Density Input Options: 8IM/32IM variants enable multi-channel signal acquisition
• Enhanced Functionality: ZFKDS (protection), LA (logic), and FRONT/Q (interface) for specialized needs
• Industrial-Grade Reliability: -25℃~70℃ operating temperature, 2kV isolation, and IP20 protection
• Space-Saving Design: DIN rail mounting and compact form factor optimize control cabinet utilization
• Global Compliance: CE/UL/CSA certifications enable international deployment

Installation & Usage Notes

• Protocol Matching: Verify FLK/FLKS protocol version (14/16/26/34/40/50) with connected devices
• Controller Compatibility: Select S7-300/AB-1756-specific models for targeted controller integration
• IM Channel Wiring: For 8IM/32IM models, use 0.14~2.5mm² conductors; label channels for easy maintenance
• ZFKDS Configuration: For ZFKDS-suffix models, refer to datasheet for enhanced protection setup
• Mounting Spacing: Reserve ≥3mm between modules for heat dissipation and cable routing
• Environmental Protection: Install in dry, dust-free control cabinets (IP20 protection); avoid moisture/corrosive substances
• Cable Selection: Use shielded twisted-pair cables for FLK/FLKS signals to reduce EMI interference
• Maintenance Checks: Regularly inspect module connections and status indicators (if equipped); clean terminals periodically