Phoenix UMK Series Industrial Interface & Control Modules Complete Selection Guide

I. Series Overview: Multi-Functional Industrial Modules for Signal, Power & Logic Control

The Phoenix UMK series is a comprehensive portfolio of industrial-grade interface, power distribution, relay switching, logic control and signal conditioning modules engineered for factory automation, control cabinet integration and industrial machinery systems. This updated lineup covers 8 core functional categories: ZFKDS terminal modules, STBVK spring terminals, DIO digital I/O modules, PVB potential distribution modules, F48M heavy-duty terminals, EC logic modules, RM/RELS relay modules, and OM signal modules, with configurations ranging from 1-channel compact variants to 32-channel high-density modules. All products feature industrial-grade robustness (-40°C to +85°C operating temperature, EMC anti-interference, vibration resistance), DIN rail mounting compatibility, and seamless integration with Phoenix VARIOFACE systems and third-party industrial equipment. Designed for plug-and-play deployment and modular expansion, these modules deliver reliable signal switching, power distribution, logic operation and I/O control in harsh industrial environments, perfectly matching 24V DC/AC, 5V and multi-voltage industrial control systems.

Core Advantages

1. Full Functional Coverage: Integrates terminal connection, potential distribution, relay switching, logic control, digital I/O and signal conditioning, providing one-stop solutions for control cabinet wiring and system integration.
2. Graded Channel Configurations: Covers 1/2/4/8/12/22/32-channel variants to precisely match small-scale compact control and large-scale high-density automation system requirements.
3. Industrial-Grade Reliability: Gold-plated contacts, flame-retardant housings and reinforced shielding for anti-interference; built-in overcurrent/overvoltage protection for relay and power modules; ≥10,000 switching cycles for relay variants.
4. Wide Voltage & Protocol Compatibility: Supports 5V, 24V DC/AC power supplies; compatible with MKDS/ZFKDS terminal interfaces, PROFINET/PLC control signals and standard industrial wiring protocols; universal for global industrial systems.
5. Efficient Installation & Maintenance: DIN rail (NS35/7.5) mounting, tool-free spring-cage/quick wiring, LED status indicators for real-time fault diagnosis; hot-swappable relay sockets for on-site maintenance without system downtime.

II. Product Classification & Detailed Parameter Table

Strictly aligned with your part number list, the series is categorized by core functional type for clear differentiation, with a complete parameter table including Part No., Complete Model, Core Parameters, Key Features and Application Scenarios for 1:1 model matching and direct procurement reference. All technical specifications are standardized for industrial application accuracy.

1. Terminal & Connection Modules (ZFKDS/STBVK Series)

Specialized terminal modules for industrial wiring termination, signal aggregation and spring-cage connection, featuring high-density pinouts and precision coding for error-free installation.

2. Digital I/O & Special Function Modules

Highly integrated modules for digital I/O control and custom functional configuration, including 12-channel DIO modules with dedicated coding for industrial automation signal acquisition/ output.

3. UMK-PVB Series (Potential Distribution Modules)

Industrial-grade potential distribution modules for multi-channel power/signal distribution in control cabinets, with graded channel counts and ZFKDS terminal compatibility for standardized wiring.

4. UMK-F48M Series (Heavy-Duty Terminal Modules)

Heavy-duty industrial terminal modules for high-current power transmission, featuring M4 threaded terminals and reinforced housings for harsh industrial power distribution scenarios.

5. UMK-EC Series (Logic Operation Modules)

Dedicated logic modules for XOR/XOL logic operations in industrial control systems, with 38/56-channel configurations for high-density logic signal processing and automation control.

6. UMK-RM Series (Integrated Relay Modules)

Pre-assembled multi-channel relay modules with integrated relays for direct on/off control, covering 4/8-channel variants and 24V DC/AC power supplies, fully compatible with PLC control signals.

7. UMK-RELS Series (Relay Socket Modules)

Empty relay socket modules for plug-in miniature relays (KSR-G24/21), featuring 2/4/8-channel configurations with PLC compatibility and individual contact protection for flexible on-site configuration.

8. UMK-OM Series (Signal Conditioning Modules)

Industrial-grade signal conditioning modules for analog/digital signal conversion, isolation and amplification, with 1/4/8-channel variants for diverse industrial signal processing needs.

III. Nomenclature Decoding: UMK Series Model Structure & Full Definition

Universal Model Format

UMK/UM-[Module Type]-[Channel Count]-[Voltage/Interface]-[Function/Suffix]-[Grade/Coding]

Key Component & Suffix Interpretation (Critical for Selection)

• UMK/UM: Phoenix universal module kit (UMK = with base, UM = base-free)
• Core Module Type:✔ ZFKDS/STBVK = Terminal/connection module | DIO = Digital I/O module✔ PVB = Potential distribution module | F48M = Heavy-duty terminal module✔ EC = Logic operation module | RM = Integrated relay module (pre-installed relays)✔ RELS = Relay socket module (relays not included) | OM = Signal conditioning module
• Critical Technical Codes:✔ Voltage: 5V6/24DC/24VAC = Operating voltage (core parameter for matching)✔ Channel count: 1/2/4/8/12/22/32 = Number of control/terminal channels✔ Interface: MKDS/ZFKDS = Standard industrial terminal interface (for system compatibility)✔ Logic function: XOR/XOL = Exclusive OR / custom logic operation✔ Relay type: MR-G24/KSR-G24 = 24V DC miniature relay models (compatible with RM/RELS)
• Grade & Feature Suffixes:✔ VS/VR = Heavy-duty grade (for high-current/power modules)✔ PLC = PLC-compatible (pre-wired for direct PLC connection)✔ P/G = Enhanced/standard grade (mechanical/electrical performance)✔ SO/CS = Precision coding (for error-free mating/installation)✔ 21-21 = Relay contact configuration (1 changeover contact per channel)

IV. 3-Step Quick Selection Technique (100% Accurate Matching)

Follow the functional demand → channel/voltage matching → interface/feature confirmation logic to quickly lock the correct model, avoiding complex parameter comparison and fully adapting to industrial control cabinet and automation system requirements.

Step 1: Select Module Category by Core Application Requirement

✅ Terminal wiring/connection → ZFKDS/STBVK series (2901086/1788114)✅ Power/signal distribution → PVB series (2972136/2302379)✅ Relay switching (pre-installed) → RM series (2972916/2979469)✅ Relay configuration (custom) → RELS series (2974914/2979511)✅ Logic control/operation → EC series (2975900/2976297)✅ Signal conditioning → OM series (2972699/2983002)✅ Digital I/O control → DIO series (2976718)✅ High-current power transmission → F48M series (2970125/2970426)

Step 2: Match Channel Count & Voltage Specification

✔ Channel Count Matching (Based on System Scale)

• Micro/compact control (1/2/4-channel) → 1OM/2REL/4RM/4OM (2983002/2979511/2972835)
• Standard control (8-channel) → 8RM/8RELS/8OM (2972916/2974914/2972699) – most common
• Medium/large-scale control (12/22/32-channel) →12DIO/22REL/32PVB (2976718/5520569/2302379)

✔ Voltage Matching (Core Precondition)

• 5V low-voltage systems → 5V6 DIO module (2976718)
• 24V DC control systems (mainstream) → All 24DC/RM/RELS/OM variants (2972916/2974914)
• 24V AC systems → 22REL 24VAC (5520569)
• High-power distribution → F48M (690V/48A) (2970125)

Step 3: Confirm Interface & Special Features (Final Selection)

✔ Interface Compatibility (For System Integration)

• Phoenix VARIOFACE system → MKDS interface variants (2972916/2972699)
• Standard ZFKDS wiring → ZFKDS suffix PVB modules (2302379/2302353)
• PLC control → PLC suffix modules (2979469/2976420) (pre-wired for direct docking)

✔ Special Feature Selection

• High-current power → F48M-VR/VS (2970426)
• Custom relay configuration → RELS series (no pre-installed relays:2974914)
• Pre-assembled relay control → RM series (with relays:2979469)
• Logic operation → XOR/XOL suffix EC modules (2975900/2975890)
• Precision coding (error-free) → SO/CS suffix (2901086/2976718)

V. Selection Pitfall Avoidance Guide (Critical for System Stability)

Avoid the 8 most common selection errors of the UMK series to ensure electrical safety, system compatibility and reliable operation in industrial applications.

1. Voltage Mismatch: Using 24V AC modules for 24V DC systems or vice versa → Strictly verify voltage labels (24DC/24VAC) and match the on-site power supply.
2. Channel Underconfiguration: 10-channel control using 8-channel modules → Select 12/22-channel variants (2976718/5520569) or cascade 8-channel modules for expansion.
3. Relay Module Confusion: Purchasing RELS (empty sockets) without matching relays → RELS series requires separate KSR/MR relay purchase; RM series is pre-assembled with relays.
4. Interface Incompatibility: Non-MKDS systems using MKDS interface modules → Verify interface type (MKDS/ZFKDS) and select matching variants (2302379 for ZFKDS).
5. Current Underestimation: High-power loads using standard PVB modules → Select F48M heavy-duty terminals (2970125) for 48A high-current transmission.
6. Logic Function Misselection: XOL required for XOR modules → Confirm EC series logic suffix (XOR/XOL) and match the control system logic requirements.
7. PLC Integration Omission: PLC control systems using non-PLC suffix modules → Select PLC-marked variants (2979469) for direct plug-and-play integration.
8. Coding Neglect: Mass production using non-SO/CS coded modules → Select coded variants (2901086/2976718) for error-free on-site installation.

VI. Conclusion: Core Building Blocks for Industrial Control Cabinet Integration

The Phoenix UMK series delivers a comprehensive industrial control module solution covering terminal connection, power distribution, relay switching, logic control, signal conditioning and digital I/O. These modules are the foundational components for industrial control cabinet design and automation system integration, ensuring stable, efficient signal/power transmission and flexible system expansion in harsh industrial environments. With graded channel configurations, wide voltage compatibility and PLC integration, the UMK series perfectly matches small-scale compact control and large-scale high-density automation needs.