Schneider TM221C16R Logic Controller, Modicon M221, 16 I/O, 7 Relay Outputs, 100

The TM221C16R is a Schneider Electric Modicon M221 logic controller with 16 I/O, designed for machine automation and small industrial control applications. It combines 9 digital inputs, 7 normally open relay outputs, and 2 analog inputs (0...10 V) with a 100...240 V AC supply and built-in Modbus communication.

Technical specifications:

• Commercial reference: TM221C16R
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Modicon M221
• Product type: Logic controller
• Rated supply voltage: 100...240 V AC (operating range 85...264 V)
• Network frequency: 50/60 Hz
• Total I/O: 16
• Digital inputs: 9, IEC 61131-2 type 1, 24 V DC, sink or source logic
• Analog inputs: 2 at 0...10 V, 10-bit resolution
• Digital outputs: 7 relay, normally open, 2 A each
• Output voltage: 5...125 V DC / 5...250 V AC
• High-speed counter inputs: 4 at 100 kHz, 32-bit
• Max expansion I/O modules: 4 (local architecture) / 11 (remote I/O architecture)
• Memory: 256 kB RAM (user application, up to 10,000 instructions), 256 kB built-in flash backup
• Data storage: Optional 2 GB SD card
• PID control: Up to 14 simultaneous loops
• Real-time clock: Yes, drift <= 30 s/month at 25°C
• Communication: USB (mini B USB 2.0), serial 1 RS485 (RJ45), serial 2 RS232/RS485 (RJ45)
• Protocol: Modbus RTU/ASCII master/slave, SoMachine network
• Battery: BR2032 or CR2032X lithium, 1-year backup at 25°C
• Connection: Removable screw terminal blocks for inputs and outputs
• Isolation: Inputs to internal electronics at 500 V AC; power supply to ground at 1,500 V AC

Features and benefits:

• Wide-range AC supply (85...264 V) accommodates varying mains conditions without additional power conditioning
• Relay outputs rated for both AC and DC loads (up to 250 V AC / 125 V DC) provide flexible load switching
• 4 high-speed counter inputs at 100 kHz support single-phase, quadrature, and pulse/direction counting modes
• Adjustable PID controller with up to 14 simultaneous loops enables closed-loop process control
• Built-in Modbus RTU/ASCII master/slave communication allows direct integration with drives, HMIs, and field devices

Applications:

• Small machine automation and OEM equipment control panels
• Industrial process control with analog sensor feedback (0...10 V)
• Pump and motor sequencing with relay output control
• Building automation systems requiring Modbus network integration

Compliant with IEC 61131-2 for programmable controllers. Part of the Schneider Electric Modicon M221 range.

Also known as: Schneider TM221C16R, Schneider Electric TM221C16R, M221 PLC relay output, Modicon M221 logic controller.