Schneider Electric TM218LDA40DR2HN – Compact PLC Logic Controller | Modicon M218 Platform
The Modicon M218 series represents Schneider Electric’s answer to demanding machine-level automation: a compact, high-performance programmable logic controller engineered for OEMs and system integrators who require deterministic cycle times, flexible I/O expansion, and seamless integration into EcoStruxure Machine architectures. The TM218LDA40DR2HN is the 40-point relay-output variant of this platform, purpose-built for mixed digital control tasks in industrial machinery, packaging lines, and building automation systems.
At Konmask.com, we supply the TM218LDA40DR2HN sourced from authorized distribution channels with full traceability. Every unit is inspected against Schneider Electric’s published specifications before dispatch, giving procurement engineers the confidence to specify this controller for critical production environments.
Complete Technical Specifications
- Part Number: TM218LDA40DR2HN
- Series / Platform: Modicon M218
- Manufacturer: Schneider Electric
- Form Factor: Compact DIN-rail mount PLC
- Total I/O Points: 40 (24 DI + 16 DO)
- Digital Inputs: 24 × 24 VDC sink/source
- Digital Outputs: 16 × relay (NO), 2 A per point, 8 A per common
- Supply Voltage: 24 VDC (–15% / +10%)
- Power Consumption: ≤ 12 W (typical)
- Program Memory: 512 KB application + 512 KB data
- Scan Time: 1 ms / 1000 instructions (typical)
- Communication Ports: 2 × RJ45 Ethernet (Modbus TCP / EtherNet/IP), 1 × USB mini-B (programming), 1 × Serial (RS-232/RS-485)
- Expansion Capability: Up to 7 TM2 I/O expansion modules
- SD Card Slot: Yes (data logging, firmware update)
- Real-Time Clock: Built-in with battery backup
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: –25 °C to +70 °C
- Relative Humidity: 10–95% non-condensing
- Protection Rating: IP20
- Mounting: 35 mm DIN rail
- Dimensions (W × H × D): 195 × 90 × 70 mm (approx.)
- Weight: 2,180 g (with packaging)
- Certifications: CE, UL, cUL, RoHS
- HS Code: 853710
- Country of Origin: China
- Programming Software: EcoStruxure Machine Expert (SoMachine)
- IEC 61131-3 Languages: LD, FBD, SFC, ST, IL
Proven Application Environments
- Packaging and labeling machinery (pick-and-place, conveyor sequencing)
- Textile and printing machine control
- HVAC and building management systems
- Water treatment and pump station automation
- Material handling and sortation systems
- OEM machine builders requiring compact DIN-rail PLCs with Ethernet connectivity
- Retrofit projects replacing legacy Twido or Zelio Logic controllers
Engineering Advantages
- Dual Ethernet ports enable daisy-chain topologies without an external switch, reducing panel wiring cost.
- Relay outputs provide galvanic isolation and direct switching of 24 VDC / 240 VAC loads without interposing relays.
- EcoStruxure Machine Expert unifies PLC programming, HMI configuration, and motion control in a single IDE, cutting engineering hours.
- SD card slot supports recipe management, data logging, and field firmware updates without a laptop.
- Modular expansion via TM2 modules allows I/O count to scale from 40 to 200+ points on the same CPU.
- Embedded web server enables remote diagnostics and variable monitoring via standard browser.
System Architecture & Signal Flow
The TM218LDA40DR2HN operates as a standalone controller or as a distributed node within an EtherNet/IP or Modbus TCP network. Field sensors connect to the 24 VDC sinking/sourcing digital inputs; the CPU executes the IEC 61131-3 application program each scan cycle and updates the relay output coils accordingly. Upstream SCADA or HMI systems communicate via Ethernet Port 1, while Port 2 can cascade to the next M218 node or to TM3 remote I/O islands. The USB port provides direct PC programming access; the RS-232/RS-485 serial port supports legacy Modbus RTU devices or barcode scanners. The real-time clock and SD card together enable autonomous data logging independent of network availability.
Sourcing & Quality Verification
- Origin: Sourced from Schneider Electric authorized distributors and verified OEM channels.
- Inspection: Each unit undergoes visual inspection, label verification (part number, date code, country of origin), and power-on functional check prior to shipment.
- Authenticity: Schneider Electric holographic labels and QR traceability codes are verified intact.
- Packaging: Ships in original Schneider Electric retail or OEM packaging with all accessories (terminal block covers, documentation).
- Warranty: 12-month Konmask.com operational warranty; Schneider Electric manufacturer warranty honored where applicable.
Procurement Process
- Submit your RFQ or purchase order via the cart or email [email protected].
- Receive proforma invoice with lead time confirmation within 1 business day.
- Payment accepted: T/T bank transfer, PayPal, credit card (Visa/Mastercard).
- Unit ships within 2–5 business days via DHL Express, FedEx, or UPS with full tracking.
- Export documentation (commercial invoice, packing list, COO certificate) provided for customs clearance.
Technical FAQ
Q: Is TM218LDA40DR2HN compatible with SoMachine v4.x?
A: Yes. SoMachine v4.3 and later (now rebranded as EcoStruxure Machine Expert) fully supports the M218 series including this model.
Q: Can I mix TM2 and TM3 expansion modules?
A: The M218 CPU natively supports TM2 local expansion modules (up to 7). TM3 modules require a TM2 to TM3 bus coupler (TMBSCN) for compatibility.
Q: What is the maximum program size?
A: 512 KB application memory; sufficient for complex multi-axis sequencing and PID loops in typical machine applications.
Q: Does this unit support EtherNet/IP adapter mode?
A: Yes. The M218 supports both EtherNet/IP adapter and Modbus TCP server/client modes simultaneously on the dual Ethernet ports.
Q: Is a 24 VDC external power supply required for the outputs?
A: The relay outputs are potential-free (dry contacts). You must supply the appropriate load voltage (up to 240 VAC or 30 VDC) externally to the output common terminals.
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