This product is part of the Modicon M171/M172 range, an offer of programmable controllers for HVAC solutions. This programmable controller offers 2 discrete inputs with sink or source (positive/negative) up to 2kHz discrete logic. It is a module with dis

• Power Consumption In W
• 11 W 24 V AC/DC
• Discrete Input Current
• 5 mA AC/DC
• Mounting Support
• panel mounting with accessory
• DIN rail
• Analogue Input Type
• NTC NK103 Beta 3977 temperature probe - 40...137 °C 0.1 °C 10 kOhm at 25 °C)
• NTC NK103 Beta 3977 tem
• Prop 65
• WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
• Input Output Number
• 2 analog output
• 6 digital output
• 8 analog input
• 2 digital input
• Communication
• TM171ACAN
• TM171AMB
• TM171ARS485
• Carbon Footprint Of The Installation Phase A5
• 0.0016596232309680165
• 0 kg CO2 eq.
• Carbon Footprint Of The End Of Life Phase C1 To C4
• 0.7 kg CO2 eq.
• 0.672912127090537
• Standards
• EN 60730-2-9
• IEC 61000-4-11
• IEC 61000-4-6
• EN 60730-1
• UL 60730-1
• CAN/CSA-E60730-1
• IEC 61000-4-2
• EN 60068-2-27
• CSA E60730-2-9
• IEC 61000-4-5
• IEC 61000-4-3
• IEC 61000-4-4
• EN 60068-2-6 Fc
• UL 60730-2-9
• UL94 (material V0)
• Sensor Power Supply
• 5-5 V DC 40 mA supplied by the controller
• 24-24 V DC 100 mA supplied by the controller
• 24-24 V DC 100 mA supplied by the control
• Carbon Footprint Of The Manufacturing Phase A1 To A3
• 31 kg CO2 eq.
• 31.10357701556675
• Discrete Output Number
• 1 relay outputs SPDT with independent common
• 2 relay outputs SPST with same common
• 2 relay outputs SPST with same commo
• Accessories
• TM172ASCTB18
• TM172AP12PM
• Discrete Input Voltage
• 24 V AC/DC
• Analogue Input Number
• 8 configurable by pair
• Discrete Output Current
• 3 A relay SPST
• 3 A relay SPDT
• Realtime Clock
• built-in clock, clock drift <= 30 s/month at -20-60 °C
• Carbon Footprint Of The Use Phase B2 B3 B4 B6
• 456 kg CO2 eq.
• 455.9411973725249
• Analogue Output Number
• 2 voltage/current 4...20 mA or 0...10 V or PWM (2 kHz)
• Display Type
• Backlit LCD - 128 x 64 pixels
• Relative Humidity
• 5-95 % non-condensing
• Directives
• 2014/30/EU - electromagnetic compatibility
• 2014/35/EU - low voltage directive
• Auxiliaries
• TM172DCLWT
• TM172DCLWTH
• Us Rated Supply Voltage
• 24 V +/- 10 % AC
• 20...38 V DC
• Measurement Accuracy
• 0...20 mA 0...4 mA +/- 2 % of full scale +/- 1 digit
• 0...20 mA 4...20 mA +/- 1 % of full scale +/- 1 digit
• 0...20 mA 4...20 mA +/- 1 % of full scale
• Number Of Port
• 1 CAN port - screw terminal block
• 1 USB type mini B - USB device port Mini-B
• 2 RS485 - screw termina
• Carbon Footprint Of The Distribution Phase A4
• 0.09812456878780675
• 0.1 kg CO2 eq.
• Discrete Input Logic
• sink or source (positive/negative) up to 2 kHz
• Local Signalling
• 1 LED (red) for programmable
• 1 LED (yellow) for programmable
• 1 LED (green) for programmable
• 1 LED (gr
• Product Certifications
• CE
• RCM
• cURus
• EAC
• CSA

• Important Information Attributes
• Local Data Status : Publishable
• Local Publishable Date : 9/23/2025
• Manufacturing Carbon Footprint : 31.10357702
• Distribution Carbon Footprint : 9.81E-02
• Installation Carbon Footprint : 1.66E-03
• Use Carbon Footprint : 455.9411974
• End Of Life Carbon Footprint : 0.672912127
• WEEE Applicability : Finished product
• WEEE Scope : In
• Legacy WEEE Scope : In
• WEEE Product Category : 5
• Scope Perimeter : At least in Europe
• EOLI Availability Display : Yes
• End Of Life Doc Ref : ENVEOLI1803011EN
• Reach Full Compliance Status : Reference contains Substances of Very High Concern above the threshold
• Reach Full Compliance Status Id : CONTAINS_SVHC
• Reach Compliance Directive : Reference contains Substances of Very High Concern above the threshold
• ROHS Eur In Scope : No
• ROHS Eur Status : Compliant with Exemptions
• ROHS Eur Conformity Date : 1929
• ROHS Eur Full Compliance Status : Pro-active compliance (Product out of EU RoHS legal scope)
• ROHS Eur Full Compliance Status Id : PRO_ACTIVE_COMPLIANCE
• China ROHS In Scope : Yes
• China ROHS Label : 5
• With Recycled Cardboard : Yes
• Without Single Use Plastic : Yes
• Product Contributes To Saved And Avoided Emissions : No
• Return Indicator : Y
• WD Status : 1 - GSC certified
• Overvoltage Category : II
• Package Weight Lbs : 264.000 g
• Product Availability : Non-Stock - Not normally stocked in distribution facility
• Product Or Component Type : programmable controllers
• Product Specific Application : HVAC
• Range Of Product : Modicon M171/M172
• Returnability : Yes
• Sustainable Packaging : Yes
• Total Lifecycle Carbon Footprint : 488 kg CO2 eq.
• Updatability : Yes
• Upgradeability : Yes
• Variant : programmable
• Weee Label : The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
• Carbon Footprint Kg Co2 Eq Total Life Cycle : 487.8174707
• Relationshiptype : Compatible relationship
• General Attributes
• Product Or Component Type : programmable controllers
• Range Of Product : Modicon M171/M172
• Upgradeability : Yes
• Environment Attributes
• ROHS Exemption Information : Yes
• China ROHS Url : https://checkaproduct.se.com/DistantRequestDispatcher.aspx?action=exportPdfRoHSChina&pid=460702202&lang=en-us
• Take Back : No
• Recycled Metal Content At Cr Level : 0%
• China ROHS Regulation : X
• Mercury Free : Yes
• Carbon Footprint : 487.8174707
• Ambient Air Temperature For Operation : -20-60 °C
• Ambient Air Temperature For Storage : -30-70 °C
• Circularity Profile : ENVEOLI1803011EN
• Environmental Disclosure : ENVPEP1803011EN
• Eu Rohs Directive : Pro-active compliance (Product out of EU RoHS legal scope)
• Ip Degree Of Protection : IP20
• Operating Altitude : 0...6561.68 ft (0...2000 m)
• Packaging Made With Recycled Cardboard : Yes
• Packaging Without Single Use Plastic : Yes
• Reach Regulation : Reference contains Substances of Very High Concern above the threshold
• Input Attributes
• Discrete Input Number : 2
• Input Impedance : 10 kOhm
• Number Of Inputs Outputs : 18
• Specifications
• Country of Origin : Italy
• Height : 4.33 in
• Width : 2.83 in
• Depth : 2.38 in
• Batteries & Runtime Attributes
• Removable Battery : YES