Schneider TM221CE24R Modicon M221 Logic Controller 24 I/O Relay Ethernet

Schneider Electric Modicon M221 TM221CE24R is a compact logic controller with 24 I/O points, relay outputs, and integrated Ethernet port. Designed for small to medium machine automation and OEM control systems requiring network connectivity. Programmed with free SoMachine Basic software.

Applications:

• Small machine automation

• OEM control panels

• Conveyor sequencing

• Building technical management

Core Specifications:

• Supply voltage: 100‑240 V AC, 50/60 Hz

• Digital inputs: 14 (24 V DC, sink/source, including fast inputs)

• Analog inputs: 2 (0‑10 V, 10‑bit resolution)

• Digital outputs: 10 relay outputs (2 A per channel)

• Program memory: 256 kB

• Communication ports: Ethernet (Modbus TCP, Ethernet/IP), USB Mini‑B, serial (RS232/RS485)

• Local expansion: up to 7 TM3 I/O modules

• Remote I/O: up to 14 TM3 modules via bus coupler

• Protection rating: IP20

• Dimensions (approx.): 70 × 90 × 70 mm

• Weight: approx. 0.45 kg

• Operating temperature: -10…55 °C

Advanced Specifications:

• Memory backup: internal flash, real‑time clock backup (battery not required)

• Processing speed: 0.3 µs per boolean instruction

• I/O update time: depending on program cycle and expansion configuration

• Certifications: refer to product documentation

System Integration:

• Belongs to Modicon M221 series. TM3 expansion modules connect via the TM3 bus.

• Programming and configuration using EcoStruxure Machine Expert Basic or SoMachine Basic (free download).

Related Products (upgrade path):

• Entry level → TM221CE16R (16 I/O, relay, Ethernet)

• Current model → TM221CE24R (24 I/O, relay, Ethernet)

• Higher I/O count → TM221CE40R (40 I/O, relay, Ethernet)

• Alternative without Ethernet → TM221C24R (24 I/O, relay, no Ethernet)