Schneider TM218LDA40DRPHN M218 Logic Controller – 24 Inputs 16 Outputs

Product Overview – TM218LDA40DRPHN

TM218LDA40DRPHN belongs to the Modicon M218 series. This compact CPU base offers 40 discrete I/O points with 24 voltage inputs. It includes 12 relay outputs and 4 transistor outputs for mixed load control. The unit operates on 100…240 V AC and supports analog input (0/4…20 mA) and analog output (±10 V / 0/4…20 mA). Built for small to medium automation tasks with flexible I/O mixing.

Technical Specifications

• Brand: Schneider Electric
• Model: TM218LDA40DRPHN
• Series: Modicon M218
• Rated Supply: 100…240 V AC (85…264 V AC limits)
• Power Consumption: 34 W at 100…240 V AC
• Discrete Inputs: 24 (voltage, 24 V DC)
• Relay Outputs: 12 (normally open)
• Transistor Outputs: 4 (19.2…28.8 V DC)
• Analog Inputs: 0/4…20 mA
• Analog Outputs: ±10 V / 0/4…20 mA
• Input Impedance: 4700 Ω (standard), 2800 Ω (high speed)
• Response Time: 2 ms ON/OFF
• Max Voltage Drop: <1.5 V
• Max Cable Distance: <5 m (shielded)
• Power Supply Input Current: 300 mA at 22…27 V

Environmental & Certifications

• Protection: IP20
• Certifications: CE
• Operating Temp: 0…55 °C
• Storage Temp: -25…70 °C
• Humidity: 95% non-condensing
• Pollution Degree: 2
• Vibration: 3.5 mm at 5…150 Hz
• Shock: 15 gn for 11 ms
• Altitude: 0…2000 m operation, 0…3000 m storage

Installation & Commissioning

• Mount on DIN rail or panel using integrated clips.
• Leave adequate clearance for airflow around the unit.
• Use shielded cables for analog signals (max 5 m).
• Connect AC power to L/N terminals; ground the FG terminal.
• Use SoMachine software for configuration and programming.
• Online monitoring supports real-time I/O status and forcing.
• Removable terminal blocks simplify wiring and maintenance.

Oiltech Controls’s Insight

• This controller fits packaging machines, conveyors, and HVAC systems.
• Mixed relay and transistor outputs allow driving both AC and DC loads.
• Analog I/O enables direct connection to sensors and actuators.
• 24 inputs provide ample connectivity for medium-sized applications.
• Compact design saves panel space while delivering 40 I/O points.
• Compatible with TM2 expansion modules for additional I/O.
• Works with Modicon Quantum via communication networks.

Typical Applications

• Packaging machinery
• Conveyor systems
• HVAC control panels
• Pump and fan control
• Material handling equipment
• Light industrial automation

Professional FAQ – Engineering Focus

• Q: What is the difference between relay and transistor outputs on this model?
• A: Relay outputs (12) handle AC or DC loads up to 250 V AC / 125 V DC at 2 A. Transistor outputs (4) are faster (no mechanical wear) and suitable for DC loads only (19.2…28.8 V). Use relays for AC loads, transistors for high-speed DC switching.
• Q: Can I use both analog input and analog output simultaneously?
• A: Yes. The controller supports analog input (0/4…20 mA) and analog output (±10 V or 0/4…20 mA) concurrently. Each channel updates within the scan cycle. For accurate readings, use shielded twisted-pair cables and keep them away from power lines.
• Q: How many expansion modules can I add to this CPU base?
• A: The TM218LDA40DRPHN supports up to 7 TM2 expansion modules, giving you additional digital or analog I/O. Total I/O count depends on module types. Check SoMachine configuration for maximum addressing limits.
• Q: What is the maximum cable length for analog signals?
• A: Schneider recommends shielded cable length <5 m between devices. For longer runs, use signal conditioners or analog isolators to maintain signal integrity.
• Q: How do I choose between M218 and M221 series for a project?
• A: Choose M218 (this model) when you need more analog I/O, mixed relay/transistor outputs, or 24 digital inputs in a compact base. Choose M221 for Ethernet connectivity and cost-sensitive applications. M218 offers better analog capability out of the box.

Packaging, Shipping & Warranty

• Package includes: PLC unit, terminal blocks, and quick-start guide.
• Package dimensions: 23.34 x 13.02 x 9.74 cm; weight: 912.5 g.
• We ship worldwide via FedEx, UPS, or DHL.
• Order processing: 24-28 hours from order confirmation.
• Tracking provided within 24 hours after dispatch.
• 12-month warranty against manufacturing defects from shipment date.

Why Buy From Oiltech Controls?

• Over 15 years of global industrial automation spare parts supply.
• Every unit is tested and verified before shipment.
• New, surplus, and refurbished options available.
• Technical verification ensures system compatibility.
• Expert support for obsolete and legacy control systems.
• Fast worldwide delivery with trusted couriers.

Contact Information

For technical support or order inquiries, email info@oiltechcontrols.com or contact us on WhatsApp at +86 158 8020 0923. We respond within 4 business hours.

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