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Schneider Electric TM221ME16R Modicon M221 Book 16 I/O Relay Ethernet Logic Controller
Schneider Electric TM221ME16R Modicon M221 Book 16 I/O Relay Ethernet Logic Controller
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- Description
The Schneider Electric TM221ME16R is a Modicon M221 Book-format logic controller with 16 discrete I/O — 8 inputs and 8 relay outputs — plus a built-in Ethernet RJ45 port for Modbus TCP and EtherNet/IP. Supplied from 24 V DC, its normally-open relay outputs switch 5-125 V DC or 5-250 V AC at up to 2 A per point in a 70 x 70 x 90 mm housing.
Technical Specifications
| Reference | TM221ME16R |
| Brand | Schneider Electric |
| Range | Modicon M221 |
| GTIN | 3606480611278 |
| Product Type | Logic controller |
| Rated Supply Voltage | 24 V DC (20.4-28.8 V) |
| Discrete Inputs | 8 |
| Discrete Outputs | 8 relay, normally open |
| Discrete Output Voltage | 5-125 V DC / 5-250 V AC |
| Discrete Output Current | 2 A per point, 7 A per common |
| Discrete I/O Total | 16 |
| Max I/O Expansion Modules | 7 local / 14 remote |
| Inrush Current | 35 A |
| Max Power Consumption | 4.3 W without expansion, 23.3 W with max expansion |
| Switching Frequency | 20 operations/minute at maximum load |
| Integrated Connections | USB mini-B, RS232/RS485 (RJ45), Ethernet (RJ45) |
| Ethernet Port | 10BASE-T/100BASE-TX, up to 100 m copper |
| Communication Services | Modbus TCP client/server/slave, EtherNet/IP adapter, DHCP client, Modbus RTU/ASCII |
| Memory Capacity | 256 kB application/data RAM, 10,000 instructions |
| SD Card Support | Up to 2 GB (optional) |
| IP Degree of Protection | IP20 with cover in place |
| Dimensions (W x D x H) | 70 x 70 x 90 mm |
| Net Weight | 0.264 kg |
Certifications & Standards
- CE
- LR
- cULus
- DNV-GL
- RCM
- EAC
- ABS
- UKCA
- cULus HazLoc
- IEC 61131-2
- UL 508
- CAN/CSA C22.2 No. 213
- IACS E10
- ANSI/ISA 12-12-01
Selection Notes
The TM221ME16R combines the 16-point relay Book controller with native Ethernet, so pick it over the serial-only relay variant when SCADA or line-level Modbus TCP polling is needed alongside line-voltage relay switching (5-250 V AC or 5-125 V DC, up to 2 A). Its EtherNet/IP adapter role also lets an upstream PLC-class controller monitor the machine without protocol-conversion hardware.