TM171EO22R
Product ID:33851
Updated: 2026/4/4

Key Features
- 1Expand control with 22 high-performance I/Os. 2、Ensure reliability with advanced thermal management. 3、Optimize for high current and voltage demands. 4、Save space using a compact, efficient design. 5、Integrate easily with diverse industrial systems.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Modicon M171/M172 | Product or Component Type | Additional I/O module |
| Product Specific Application | HVAC and pumping solution | Total inputs/outputs | 22 |
| Discrete input number | 6 | Discrete output number | 1 open collector<br />3 relay outputs SPST with same common<br />2 relay outputs SPST with independent common |
| Discrete output current | 2 A relay | Analogue input number | 3 analog input NTC<br />2 configurable |
| Analogue output number | 3 voltage 0...10 V<br />2 PWM/PPM 20 kHz, 12 V, 35 mA | Number of port | 1 LAN expansion bus |
| Input/output number | 5 analog output<br />6 digital input<br />5 analog input<br />6 digital output | Discrete input logic | Sink or source (positive/negative) |
| Contacts usage | Volt-free contacts | Analogue input type | voltage 0...5 V ratiometric)<br /> voltage 0...10 V<br />NTC temperature probe - 50...100 °C 0.1 °C<br /> current 0...20 mA/4...20 mA<br /> voltage 0...1 V |
| Sensor power supply | 12 V DC 85 mA<br />5 V DC 20 mA | [Us] rated supply voltage | 12...24 V<br />24 V |
| Width | 2.8 in (70.2 mm) | Height | 3.4 in (87 mm) |
| Depth | 2.4 in (61.6 mm) | Net Weight | 0.42 lb(US) (0.19 kg) |
Specifications may be subject to change without notice
