TM172OBM18R

Name: TM172OBM18R
Brand: Schneider
SKU: TM172OBM18R

The Modicon M172 Optimized Blind 18 I/Os, Modbus, is a versatile and reliable I/O module designed for industrial automation applications.

Product ModelTM172OBM18R

Product ID34076

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHighly reliable and durable design for long-term performance.
2
Feature18 total inputs/outputs for comprehensive control and monitoring.
3
Feature2 discrete input and 1 discrete output for precise control.
4
Feature2 SPDT and 2 SPST relay outputs for flexible output configurations.
5
FeatureModbus compatibility for seamless integration with various systems.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Modicon M171/M172

Product or Component Type

Programmable controllers

Product Specific Application

HVAC

Variant

Programmable

Total inputs/outputs

Discrete input number

Discrete output number

1 relay outputs SPDT with independent common2 relay outputs SPST with same common3 relay outputs SPST with independent common

Discrete output current

3 A relay SPST3 A relay SPDT

Analogue input number

8 configurable by pair

Analogue output number

2 voltage/current 4...20 mA or 0...10 V or PWM (2 kHz)

Number of port

1 CAN port - screw terminal block1 USB type mini B - USB device port Mini-B2 RS485 - screw terminal block Modbus serial link or BACnet MS/TP)

Input/output number

2 analog output6 digital output8 analog input2 digital input

Discrete input logic

Sink or source (positive/negative) up to 2 kHz

Discrete input voltage

24 V AC/DC

Discrete input current

5 mA AC/DC

input impedance

10 kOhm

Analogue input type

NTC NK103 Beta 3977 temperature probe - 40...137 °C 0.1 °C 10 kOhm at 25 °C)NTC 103AT-2 Beta 3435 temperature probe - 50...110 °C 0.1 °C 10 kOhm at 25 °C) voltage 0...10 V 1 digit > 10 kOhm voltage 0...5 V 1 digit > 20 kOhm absolute or ratiometric) impedance 0...1500 hOhm 1 hOhm 10 kOhm impedance 0...300 daOhm 1 daOhm 1500 OhmPTC temperature probe - 55...150 °C 0.1 °C 1500 OhmPt 1000 temperature probe - 200...850 °C 0.1 °C 1500 Ohm current 0...20 mA/4...20 mA 1 digit < 150 Ohm direct input 10 kOhm Dry contact)

Measurement accuracy

0...20 mA 0...4 mA +/- 2 % of full scale +/- 1 digit0...20 mA 4...20 mA +/- 1 % of full scale +/- 1 digit4...20 mA +/- 1 % of full scale +/- 1 digit0...10 V +/- 1 % of full scale +/- 1 digit0...5 V +/- 1 % of full scale +/- 1 digitDaOhm 0...300 daOhm +/- 2.5 daOhm NTC NK103 Beta 3977 - 40...+110 °C +/- 1 °C NTC NK103 Beta 3977 110...137 °C +/- 1.9 °C NTC 103AT-2 Beta 3435 - 50...110 °C +/- 1 °C PTC - 55...155 °C +/- 1.1 °C Pt 1000 - 200...-100 °C +/- 10 °C Pt 1000 - 100...-50 °C +/- 2.5 °C Pt 1000 - 50...100 °C +/- 1.5 °C Pt 1000 100...400 °C +/- 2.4 °C Pt 1000 400...850 °C +/- 10 °CHOhm 0...750 hOhm +/- 8.5 hOhmHOhm 750 hOhm...1500 hOhm +/- 24 hOhm

Sensor power supply

5 V DC 40 mA supplied by the controller24 V DC 100 mA supplied by the controller

[Us] rated supply voltage

24 V +/- 10 % AC20...38 V DC

Power consumption in W

10 W 24 V AC/DC

Realtime clock

Built-in clock, clock drift <= 30 s/month at -4...140 °F (-20...60 °C)

Display type

Without Display

Overvoltage category

Local signalling

for programmable 1 LED (red) for programmable 1 LED (yellow) for programmable 1 LED (green) for power 1 LED (green)

Mounting Support

DIN railPanel mounting with accessory

Width

2.8 in (72 mm)

Height

4.3 in (110 mm)

Depth

2.4 in (60.5 mm)

Net Weight

0.37 lb(US) (0.17 kg)

Directives

2014/30/EU - electromagnetic compatibility2014/35/EU - low voltage directive

Standards

EN 60068-2-6 FcUL 60730-1IEC 61000-4-3IEC 61000-4-6IEC 61000-4-5IEC 61000-4-4IEC 61000-4-11CSA E60730-2-9CAN/CSA-E60730-1UL 60730-2-9EN 60730-1EN 60068-2-27EN 60730-2-9IEC 61000-4-2UL94 (material V0)

Product Certifications

RCMEACcURusCECSA

Ambient air temperature for operation

-4...140 °F (-20...60 °C)

Ambient Air Temperature for Storage

-22...158 °F (-30...70 °C)

Relative humidity

5...95 % non-condensing

IP degree of protection

IP20

Pollution degree

Operating altitude

0...6561.68 ft (0...2000 m)