Schneider Electric TM218LDA40DRN Technical Specifications
General Parameters
Controller Type: Modicon M218 Compact PLC

Memory Capacity: 4MB (program + data)

Programming Languages: Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST)

Scan Time: 0.5ms per KB (typical)

Operating Temperature: 0°C to 55°C (32°F to 131°F)

Storage Temperature: -25°C to +70°C (-13°F to 158°F)

Relative Humidity: 5% to 95% (non-condensing)

Vibration Resistance: 3.5mm @ 10-57Hz, 1g @ 57-150Hz

Shock Resistance: 15g, 11ms duration

Enclosure Rating: IP20 (panel-mounted)

I/O Configuration
Digital Inputs (24)

Type: 24V DC (sink/source)

On Voltage: 15-30V DC

Off Voltage: 0-5V DC

Input Current: 4mA @ 24V DC

Filter Time: Configurable (0.1-20ms)

Digital Outputs (16)

Type: Relay (8x 2A, 8x 5A contacts)

Max Switching Voltage: 250V AC/30V DC

Max Switching Current: 5A (resistive load)

Mechanical Life: 10 million operations

Electrical Life: 100,000 operations @ 5A

Analog Inputs (2)

Resolution: 12-bit

Ranges: 0-10V, 0-20mA

Accuracy: ±1% of full scale

Input Impedance: 100kΩ (voltage), 250Ω (current)

Analog Output (1)

Resolution: 12-bit

Ranges: 0-10V, 0-20mA

Accuracy: ±1% of full scale

Load Capacity: ≥2kΩ (voltage), ≤500Ω (current)

Communication Ports
Ethernet Port

Protocol: Modbus TCP/IP, FTP, HTTP

Speed: 10/100 Mbps auto-negotiation

Max Connections: 8 simultaneous

USB Port

Type: Mini-B

Speed: 12 Mbps

Function: Programming/monitoring

RS-485 Port

Protocol: Modbus RTU (master/slave)

Baud Rate: 300-115,200 bps

Isolation: 1500V DC

Expansion Capability
Max Expansion Modules: 7 (TM2/TM3 series)

Max I/O Points: 284 (local + expansion)

Backplane Current: 800mA max (5V DC)

Power Supply
Input Voltage:

AC Model: 100-240V AC (±10%), 50/60Hz

DC Model: 24V DC (±20%)

Power Consumption: 15W (typical)

Inrush Current: 20A (AC model, 10ms)

Programming & Diagnostics
Software: EcoStruxure Machine Expert-Basic

Retentive Memory: Yes (configurable)

Real-Time Clock: Yes (battery-backed)

Watchdog Timer: Yes (configurable)

LED Indicators:

Power (green)

Run/Stop (green/red)

I/O status (per point)

Communication status

Certifications & Standards
Safety: UL 508, CSA C22.2 No.142

EMC: EN 61000-6-2, EN 61000-6-4

RoHS: Compliant

Marine: DNV-GL, ABS, BV certified

Mechanical Specifications
Dimensions (WxHxD): 140 x 90 x 75mm

Weight: 0.8kg

Mounting: DIN rail (35mm) or panel

Terminal Type: Removable screw terminal block

Wire Size: 0.2-2.5mm² (AWG 24-12)

Performance Data
Bit Operations: 0.1μs

Word Operations: 0.5μs

PID Execution: 500μs

Data Retention: 10 years (without power)