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Picture of Modicon M171 Optimized expansion 15 I/Os
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TM171EO15R

Modicon M171 Optimized expansion 15 I/Os

$185.13 INC GST
Available for Shipping : 21-Jan-2026
Modicon M171 Optimized expansion 15 I/Os
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Manufacturer: Schneider Electric
Delivery date: 21-Jan-2026
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Product Data Sheet
This I/O expansion module is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications. This additional I/O module offers 6 digital inputs, 3 analog inputs, 4 digital outputs, and 2 analog outputs. It has one port for LAN expansion bus. This module offers Additional I/O to the M171 controller. DIs are volt-free, and AIs are NTC. DOs are 2A, 250Vac), AOs are open collectors PWM/PPM. It measures 70.2mm wide, 61.6mm deep, 87mm high, and weighs 0.385kg. This controller is designed for HVAC solutions. It is certified by CE, CSA, EAC, RCM, and CuRus. It is compatible with M171 optimized controllers. It is sold in a 1-piece package. It mounts on 35mm DIN rail. Modicon M171/M172/M173 controllers are designed for complete automation solutions for HVAC and Pumping machines. Modicon M171/M172/M173 range is for OEMs and helps to maximize profitability or energy efficiency in HVAC applications.

Products specifications

Attribute name Attribute value
Main
Product specific application HVAC and pumping solution
Discrete input number 6
Analogue input number 3 analog input NTC
Discrete output current 2 A for relay
Number of inputs/outputs 15
Product or component type additional I/O module
Discrete output number 3 for relay outputs SPST with same common, 1 for open collector
Range of product Modicon M171/M172
Analogue output number 2, 1 PWM/PPM, range: 20 kHz, 12 V, 35 mA
Complementary
Discrete input logic sink or source (positive/negative)
Input/output number 4 digital output(s), 6 digital input(s), 2 analog output(s), 3 analog input(s)
Depth 61.6 mm
Overvoltage category II
Analogue input type voltage 0...1 V,  current 0...20 mA/4...20 mA, NTC temperature probe - 50...100 °C - resolution: 0.1 °C,  voltage 0...10 V,  voltage 0...5 V (ratiometric)
Realtime clock built-in clock at -10-55 °C
Width 140 mm
Local signalling 1 LED (green) for programmable, 1 LED (yellow) for programmable, 1 LED (red) for programmable
Sensor power supply 12-12 V DC at 85 mA
[Us] rated supply voltage 24 V +/- 20 % DC, 12...24 V +/- 20 % AC/DC
Number of port 1 LAN expansion bus
Net weight 0.385 kg
Display type without display
Height 110 mm
Contacts usage volt-free contacts
Power consumption in W 18 W at 24...48 V AC/DC
Environment
IP degree of protection IP20
Relative humidity 10-90 % non-condensing
Ambient air temperature for storage -20-85 °C
Directives 86/188/EEC - physical agents (noise) directive, 2006/95/EC - low voltage directive
Ambient air temperature for operation -10-55 °C conforming to UL 60730-1
Pollution degree 2
Standards EN/IEC 60730
Product certifications CE, CSA, EAC, cURus
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 13.0 cm
Package 1 Width 9.1 cm
Package 1 Length 18.5 cm
Package 1 Weight 260.0 g
Unit Type of Package 2 2
Number of Units in Package 2 6
Package 2 Height 15.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 1.891 kg

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