First TwinCAT PLC Project on a Beckhoff IPC
Build and verify a first TwinCAT PLC project on a Beckhoff IPC. This checklist covers target selection, EtherCAT discovery, I/O mapping, safe activation, restart tests, and commissioning records.
Manufacturer: Mitsubishi Electric
Product No.: FX5-4LC
Country of origin:United States
Product Type: Temperature Control Modules
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
Directly executing loop control functions for the MELSEC iQ-F bus, the Mitsubishi Electric FX5-4LC acts as an autonomous multi-channel temperature processor. This module offloads processing overhead from the main CPU, executing high-precision PID and cascade algorithms directly on board to maintain strict temperature and process parameter tolerances. Supporting up to four independent channels, it accommodates a broad range of thermocouple and resistance temperature detector (RTD) inputs for heavy industrial environments.
| Manufacturer | Mitsubishi Electric |
| Model Number | FX5-4LC |
| Control Algorithms | Two-position control, PID control, Heating/cooling PID control, Cascade control |
| Number of Input Channels | 4 channels |
| Input Impedance | 1 MOhm or more |
| RTD Sensor Current | 0.20 mA |
| Number of Output Channels | 4 channels |
| Occupied I/O Points | 8 points |
| Unit Weight | 0.3 kg |
| Shipping Weight (Calculated) | 1.5 kg |
| Country of Origin | Japan |
The FX5-4LC is designed exclusively for the MELSEC iQ-F (FX5U / FX5UC) expansion bus. Unlike older FX3U analog modules, it cannot be directly integrated into legacy FX3U bases without an conversion adapter bus, and GX Works3 is required to configure its hardware profile parameters.
When using RTD sensor configurations, ensure that any cable resistance differences across leads do not exceed standard line limits. Unequal line impedances on the 3-wire RTD input will manifest as persistent temperature measurement offsets, degrading PID loop accuracy.
To mitigate high-frequency electrical noise from nearby variable frequency drives (VFDs) or heater switching elements, shield all thermocouple and RTD signal cabling. Ground the shield at a single point on the control panel chassis, and keep low-voltage sensor lines physically segregated from high-current power conduits.
CRITICAL WARNING
Isolate and lock out all primary and auxiliary power sources feeding the PLC rack and output actuators prior to mounting or wiring the module. Working on energized components can cause equipment damage or severe electrical shock.
Align the extension connector of the module with the main PLC base unit or previous expansion module and seat it firmly on the DIN rail.
Secure the extension joints and lock the module's DIN rail clips to prevent slide-out from mechanical vibration.
Connect sensor inputs and external transistor loop outputs using the specified torque requirements to avoid physical terminal damage.
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Returns & Warranty

Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|