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TM172OBM18R

Modicon M172 Optimized Blind 18 I/Os, Modbus

$461.01 INC GST

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Available for Shipping : 28-Aug-2025

Modicon M172 Optimized Blind 18 I/Os, Modbus

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Manufacturer: Schneider Electric

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Product Data Sheet

This logic controller is part of the Modicon M171/M172/M173 range, a control offer for HVAC/Pumping applications. This controller figures 2 digital inputs, 8 analog inputs, 6 digital outputs, and 2 analog outputs. This controller embeds one CAN expansion bus port, two RS485 ports, one USB-B port, and one Communication module port. It is a programmable logic controller for HVAC and Pumping applications. DIs are high-speed counters, AIs are NTC, PT1000, PTC, 0-20mA, 4-20mA, 0-5V, 0-10V, hOhm, daOhm, and DIs. DOs are SPDT relays, SPST 3A with the same or independent common, AOs are 0-10V, 4-20mA, PWM (2kHz, 24Vdc). It measures 72mm wide, 60.5mm deep, 110mm high, and weighs 0.170kg. This controller is designed for HVAC solutions. It is certified by CE, RCM, EAC, CSA and CURus. It is compatible with screw terminal blocks, remote display, and communication modules. It is sold in a 1-piece package. It is designed for 35mm rail mounting. 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
Discrete output current	3 A for relay SPDT, 3 A for relay SPST
Number of inputs/outputs	18
Range of product	Modicon M171/M172
Product specific application	HVAC
Discrete input number	2
Analogue input number	8 configurable by pair
Product or component type	programmable controllers
Variant	programmable
Discrete output number	3 for relay outputs SPST with independent common, 2 for relay outputs SPST with same common, 1 for relay outputs SPDT with independent common
Analogue output number	2 voltage/current, range: 4...20 mA or 0...10 V or PWM (2 kHz)
Complementary
Measurement accuracy	hOhm 750 hOhm...1500 hOhm +/- 24 hOhm, hOhm 0...750 hOhm +/- 8.5 hOhm, Pt 1000 400...850 °C +/- 10 °C, Pt 1000 100…400 °C +/- 2.4 °C, Pt 1000 - 50...100 °C +/- 1.5 °C, Pt 1000 - 100...-50 °C +/- 2.5 °C, Pt 1000 - 200...-100 °C +/- 10 °C, PTC - 55...155 °C +/- 1.1 °C, NTC 103AT-2 Beta 3435 - 50…110 °C +/- 1 °C, NTC NK103 Beta 3977 110...137 °C +/- 1.9 °C, NTC NK103 Beta 3977 - 40...+110 °C +/- 1 °C, daOhm 0...300 daOhm +/- 2.5 daOhm, 0...5 V +/- 1 % of full scale +/- 1 digit, 0...10 V +/- 1 % of full scale +/- 1 digit, 4...20 mA +/- 1 % of full scale +/- 1 digit, 0...20 mA 4...20 mA +/- 1 % of full scale +/- 1 digit, 0...20 mA 0...4 mA +/- 2 % of full scale +/- 1 digit
Input/output number	2 digital input(s), 8 analog input(s), 6 digital output(s), 2 analog output(s)
[Us] rated supply voltage	20...38 V DC, 24 V +/- 10 % AC
Display type	without display
Discrete input voltage	24 V AC/DC
Height	110 mm
Discrete input logic	sink or source (positive/negative) up to 2 kHz
Depth	60.5 mm
Overvoltage category	II
Analogue input type	direct input at 10 kOhm (Dry contact), current 0...20 mA/4...20 mA - resolution: 1 digit at < 150 Ohm, Pt 1000 temperature probe - 200...850 °C - resolution: 0.1 °C at 1500 Ohm, PTC temperature probe - 55...150 °C - resolution: 0.1 °C at 1500 Ohm, impedance 0...300 daOhm - resolution: 1 daOhm at 1500 Ohm, impedance 0...1500 hOhm - resolution: 1 hOhm at 10 kOhm, voltage 0...5 V - resolution: 1 digit at > 20 kOhm (absolute or ratiometric), voltage 0...10 V - resolution: 1 digit at > 10 kOhm, NTC 103AT-2 Beta 3435 temperature probe - 50...110 °C - resolution: 0.1 °C at 10 kOhm (at 25 °C), NTC NK103 Beta 3977 temperature probe - 40...137 °C - resolution: 0.1 °C at 10 kOhm (at 25 °C)
Realtime clock	built-in clock, clock drift <= 30 s/month at -20-60 °C
Width	72 mm
Discrete input current	5 mA AC/DC
Input impedance	20 kOhm
Local signalling	1 LED (green) for power, 1 LED (green) for programmable, 1 LED (yellow) for programmable, 1 LED (red) for programmable
Sensor power supply	24-24 V DC at 100 mA supplied by the controller, 5-5 V DC at 40 mA supplied by the controller
Number of port	2 RS485 - screw terminal block (Modbus serial link or BACnet MS/TP), 1 USB type mini B - USB device port Mini-B, 1 CAN port - screw terminal block
Net weight	0.17 kg
Mounting support	panel mounting with accessory, DIN rail
Power consumption in W	10 W at 24 V AC/DC
Environment
IP degree of protection	IP20
Relative humidity	5-95 % non-condensing
Ambient air temperature for storage	-30-70 °C
Directives	2014/35/EU - low voltage directive, 2014/30/EU - electromagnetic compatibility
Ambient air temperature for operation	-20-60 °C
Pollution degree	2
Operating altitude	0...2000 m
Standards	UL94 (material V0), IEC 61000-4-2, EN 60730-2-9, EN 60068-2-27, EN 60730-1, UL 60730-2-9, CAN/CSA-E60730-1, CSA E60730-2-9, IEC 61000-4-11, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-3, UL 60730-1, EN 60068-2-6 Fc
Product certifications	CSA, CE, cURus, EAC, RCM
Packing Units
Unit Type of Package 1	1
Number of Units in Package 1	1
Package 1 Height	7.500 cm
Package 1 Width	9.500 cm
Package 1 Length	13.500 cm
Package 1 Weight	239.000 g
Unit Type of Package 2	2
Number of Units in Package 2	15
Package 2 Height	15.000 cm
Package 2 Width	30.000 cm
Package 2 Length	40.000 cm
Package 2 Weight	3.930 kg