Controllers - PLC Modules

Image Part Number Description / PDF Quantity Rfq
ET-2251

ET-2251

ICP DAS USA Inc.

IP BASED DUAL ETHERNET PORT REMO

30

SRT2-ID16T

SRT2-ID16T

Omron Automation & Safety Services

INPUT MODULE 16 DIGITAL 24V

1

2688459

2688459

Phoenix Contact

COMMUNICATIONS MODULE

32

FC6A-EXM1S

FC6A-EXM1S

IDEC

EXP INTERFACE SLAVE MODULE

0

CS1W-ID261

CS1W-ID261

Omron Automation & Safety Services

INPUT MODULE 64 DIGITAL

1

2901536

2901536

Phoenix Contact

OUTPUT MODULE 4 RELAY

14

FC6A-J4A1

FC6A-J4A1

IDEC

4PT VOLTAGE CURRENT INPUT MOD

0

2316050

2316050

Phoenix Contact

COMMUNICATIONS MODULE 10.5-32V

0

GRT1ECT

GRT1ECT

Omron Automation & Safety Services

COMMUNICATIONS MODULE 24V

1

X-401-E

X-401-E

Control By Web

DUAL RELAY AND INPUT MODULE

25

2861920

2861920

Phoenix Contact

OUTPUT MODULE 1 SOLID STATE 24V

0

ET-2254P

ET-2254P

ICP DAS USA Inc.

IP BASED DUAL ETHERNET PORT REMO

30

88970225

88970225

Crouzet

I/O MODULE 6 DIGITAL 4 RELAY 12V

1

ET-2254

ET-2254

ICP DAS USA Inc.

IP BASED DUAL ETHERNET PORT REMO

30

NX-OD5121

NX-OD5121

Omron Automation & Safety Services

OUTPUT MODULE 16 SOLID STATE

2

ECAT-2052

ECAT-2052

ICP DAS USA Inc.

ETHERCAT SLAVE I/O MODULE: 8 CHA

30

AFPX-E30PD

AFPX-E30PD

Panasonic

I/O MODULE 16 DIG 14 SOL ST 24V

0

2878735

2878735

Phoenix Contact

I/O MODULE 2 ANALOG 2 ANALOG 24V

0

TPET-P2C2

TPET-P2C2

ICP DAS USA Inc.

COMPACT ETHERNET REMOTE I/O DAQ

30

2701098

2701098

Phoenix Contact

INPUT MODULE 4 ANALOG 24V

192

Controllers - PLC Modules

1. Overview

Programmable Logic Controller (PLC) modules are core components of industrial automation systems. They are digital computers designed for real-time control of manufacturing processes, machinery, and production lines. By processing inputs from sensors and outputs to actuators, PLC modules enable precise logic control, sequence control, and data handling. Their reliability, flexibility, and scalability make them critical in modern industries for optimizing efficiency, reducing downtime, and ensuring safe operations.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
CPU ModulesCentral processing units for executing control logic and managing system tasksAssembly line control systems
Input/Output (I/O) ModulesDigital/analog signal acquisition and output controlTemperature monitoring in chemical plants
Communication ModulesSupport industrial protocols (Ethernet/IP, Profibus, Modbus)Connecting to SCADA systems
Power Supply ModulesConvert AC/DC power for system operationStable power for factory automation
Special Function ModulesHigh-speed counters, positioning control, or temperature compensationPrecision motion control in robotics

3. Structure and Components

A typical PLC module consists of: - Enclosure: Industrial-grade housing with IP protection rating - Circuit Boards: Multi-layer PCB with embedded processors and memory - I/O Terminals: Screw/clamp connectors for field device integration - Backplane Interfaces: For module interconnection and data exchange - Heat Dissipation Elements: Aluminum heat sinks or cooling fans - Power Management Circuitry: Overload and surge protection

4. Key Technical Specifications

ParameterDescriptionImportance
Processing Speed0.01-10 s per instructionDetermines real-time response capability
I/O Capacity8-2048 points per moduleDefines system scalability
Communication ProtocolsEthernet/IP, PROFINET, CANopenEnables industrial network integration
Operating Temperature-20 C to 70 CAffects reliability in harsh environments
Power Consumption5-50 W per moduleImpacts system energy efficiency
Programming StandardsIEC 61131-3 compliant languagesEnsures software compatibility

5. Application Fields

  • Manufacturing: CNC machine control, conveyor systems
  • Energy: Power plant turbine control, grid automation
  • Automotive: Robotic welding cells, paint shop automation
  • Food & Beverage: Hygienic process control systems
  • Building Automation: HVAC control, elevators

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
SiemensSIMATIC S7-15000.01 s processing speed, PROFINET interface
Rockwell AutomationControlLogix 5580Integrated motion control, 4GB memory
Mitsubishi ElectricFx5 SeriesCompact design, built-in USB programming
Schneider ElectricModicon M580Web-server based configuration, Ethernet/IP
OmronCP1LOnboard analog I/O, pulse output

7. Selection Recommendations

Key considerations for PLC module selection:

  • Application Requirements: Match processing speed and I/O density to task complexity
  • Expansion Capability: Choose modular systems for future scalability
  • Environmental Conditions: Consider temperature range and vibration resistance
  • Network Compatibility: Ensure protocol matching with existing systems
  • Total Cost of Ownership: Factor in programming costs and maintenance requirements
  • Vendor Support: Evaluate technical documentation and service network

8. Industry Trends Analysis

Current trends shaping PLC module development include: - Industrial IoT Integration: Embedded connectivity for predictive maintenance - Edge Computing: Local data processing with AI capabilities - Cybersecurity Enhancement: Built-in protection against network attacks - Modular Design: Hot-swappable components for minimal downtime - Energy Efficiency: Low-power processors for sustainable manufacturing - Cloud Connectivity: Direct integration with enterprise-level systems

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