Schneider Electric TM221CE16R Modicon M221 16 I/O 9DI 7DO Relay Ethernet Programmable Logic Controller

The Schneider Electric TM221CE16R is a Modicon M221 logic controller with 16 discrete I/O: 9 discrete inputs and 7 relay outputs rated 2 A, plus 2 analog inputs. It runs from a 100...240 V AC supply and integrates Ethernet, a non-isolated RS232/RS485 serial port, and a USB programming port for hardwired machine control architectures.

Technical Specifications

Certifications & Standards

• cULus
• cULus HazLoc
• CE
• UKCA
• LR
• ABS
• DNV-GL
• RCM
• EAC
• IACS E10
• IEC 61131-2
• UL 508
• CAN/CSA C22.2 No. 213
• ANSI/ISA 12-12-01

Selection Notes

The TM221CE16R's 7 relay outputs (5...125 V DC or 5...250 V AC, 2 A each) switch AC loads such as contactor coils or pilot lights directly, without an external interposing relay - a transistor-output M221 variant would need one for anything above 24 V DC. Built-in Ethernet with Modbus TCP and EtherNet/IP adapter support puts it on a plant network without an added communication module, which a non-Ethernet M221 variant lacks. Local I/O tops out at 16 points (9 DI, 7 DO); machines needing more scale through the 4 local or 11 remote expansion module slots rather than a larger base unit.

Applications

Suited to hardwired relay-logic machine control panels that need networked Ethernet access - conveyor and packaging line control, small-machine automation, and panels where SoMachine Basic programming replaces a wired relay logic scheme.