TM172PDG28SI
Modicon M172 Performance Display 28 I/Os, Eth, Solid State Relay
- Stock status:
- Call for availability
- Manufacturer:
- Schneider
- Product code:
- TM172PDG28SI
Main documents
Related products
| Range of Product | Modicon M171/M172 |
|---|---|
| Product or Component Type | Programmable controllers |
| Product Specific Application | HVAC control |
| variant | Programmable |
| Total inputs/outputs | 28 |
| Discrete input number | 8 |
| Discrete output number | 1 relay outputs SPDT with independent common 3 relay outputs SPST with same common 2 relay outputs SPST with same common 2 solid state, isolated SSR with independent common |
| Discrete output current | 3 A relay SPDT 3 A relay SPST 0.5 A solid state, isolated |
| Analogue input number | 8 configurable by pair |
| Analogue output number | 2 voltage 0…10 V 2 voltage/current 4…20 mA or 0…10 V or PWM (2 kHz) |
| Number of port | 1 CAN port – screw terminal block 1 USB type A – USB type A female 1 USB type mini B – USB device port Mini-B 2 RS485 – screw terminal block Modbus serial link or BACnet MS/TP) 1 Ethernet – RJ45 Modbus TCP and BACnet IP with webserver) |
|---|---|
| Input/output number | 8 digital input 8 analog input 4 analog output 8 digital output |
| Discrete input logic | Sink or source (positive/negative) |
| Discrete input voltage | 24 V AC/DC |
| Discrete input current | 2.5 mA |
| Input impedance | 10 kOhm |
| Analogue input type | Impedance 0…1500 hOhm 1 hOhm 10 kOhm impedance 0…300 daOhm 1 daOhm 2 kOhm NTC 103AT-2 Beta 3435 temperature probe – 50…110 °C 0.1 °C 10 kOhm voltage 0…10 V 1 digit > 10 kOhm NTC NK103 Beta 3977 temperature probe – 40…137 °C 0.1 °C 10 kOhm extended) current 0…20 mA/4…20 mA 1 digit < 150 Ohm PTC temperature probe – 55…150 °C 0.1 °C 2 kOhm voltage 0…5 V 1 digit > 20 kOhm absolute or ratiometric) Pt 1000 temperature probe – 200…850 °C 0.1 °C 2 kOhm direct input > 10 kOhm |
| Measurement accuracy | 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 °C 0…20 mA 0…4 mA +/- 2 % of full scale +/- 1 digit 0…20 mA 4…20 mA +/- 1 % of full scale +/- 1 digit 4…20 mA +/- 1 % of full scale +/- 1 digit 0…10 V +/- 1 % of full scale +/- 1 digit 0…5 V +/- 1 % of full scale +/- 1 digit HOhm 0…1500 hOhm +/- 8.5 hOhm DaOhm 0…300 daOhm +/- 2.5 daOhm |
| Sensor power supply | 5 V DC 50 mA supplied by the controller 24 V DC 150 mA supplied by the controller |
| [Us] rated supply voltage | 24 V +/- 10 % AC 20…38 V DC |
| Power consumption in W | 12 W 24 V AC/DC |
| Realtime clock | Built-in clock, clock drift <= 30 s/month at -4…149 °F (-20…65 °C) |
| Display type | Backlit LCD – 128 x 64 pixels |
| Overvoltage category | II |
| 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 rail Panel mounting with accessory |
| Width | 5.67 in (144 mm) |
| Height | 4.33 in (110 mm) |
| Depth | 2.38 in (60.5 mm) |
| Net Weight | 0.66 lb(US) (0.3 kg) |
| Directives | 2014/30/EU – electromagnetic compatibility 2014/35/EU – low voltage directive |
|---|---|
| Standards | CAN/CSA-E60730-1 CSA E60730-2-9 EN 60068-2-27 EN 60068-2-6 Fc EN 60730-1 EN 60730-2-9 UL 60730-1 UL 60730-2-9 IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-5 IEC 61000-4-6 IEC 61000-4-11 UL94 (material V0) |
| Product Certifications | EAC CE cURus CSA RCM |
| Ambient air temperature for operation | -4…149 °F (-20…65 °C) UL 60730-1 -4…131 °F (-20…55 °C) horizontal UL 60730-1 |
| Ambient Air Temperature for Storage | -22…158 °F (-30…70 °C) |
| Relative humidity | 5…95 % non-condensing |
| IP degree of protection | IP20 |
| Pollution degree | 2 |
| Operating altitude | 0…6561.68 ft (0…2000 m) |
| Category | US1PC1222537 |
|---|---|
| Discount Schedule | PC12 |
| GTIN | 3606489729509 |
| Returnability | Yes |
| Country of origin | US |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.31 in (13.500 cm) |
| Package 1 Width | 3.54 in (9.000 cm) |
| Package 1 Length | 7.48 in (19.000 cm) |
| Package 1 Weight | 14.89 oz (422.000 g) |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 6 |
| Package 2 Height | 5.91 in (15.000 cm) |
| Package 2 Width | 11.81 in (30.000 cm) |
| Package 2 Length | 15.75 in (40.000 cm) |
| Package 2 Weight | 6.16 lb(US) (2.792 kg) |
Product Description
TM172PDG28SI
The TM172PDG28SI is a high-performance controller from Schneider Electric’s Modicon M171/M172 range, designed specifically for HVAC control applications. This programmable controller features a display and extensive I/O capabilities, making it ideal for complex automation needs.

Key Features:
- Range of Product: Modicon M171/M172
- Product or Component Type: Programmable controllers
- Product Specific Application: HVAC control
- Variant: Programmable
I/O Configuration:
- Total Inputs/Outputs: 28
- Discrete Inputs: 8
- Discrete Outputs:
- 1 relay output SPDT with independent common
- 3 relay outputs SPST with same common
- 2 relay outputs SPST with same common
- 2 solid state, isolated SSR with independent common
Discrete Output Current:
- 3 A for relay SPDT
- 3 A for relay SPST
- 0.5 A for solid state, isolated
Analogue Configuration:
- Analogue Inputs: 8 configurable by pair
Analogue Outputs:
- 2 voltage outputs (0…10 V)
- 2 outputs that can be configured for voltage/current (4…20 mA or 0…10 V or PWM (2 kHz))
Summary
The TM172PDG28SI controller is certified to meet various international standards, ensuring it is suitable for use in diverse HVAC environments. This controller maximizes profitability and energy efficiency by leveraging scalable automation control with the Modicon M171/M172. The integration with Schneider Electric’s EcoStruxure Machine Expert – HVAC software further enhances its utility, offering intuitive programming and efficient management of HVAC systems.
Frequently Asked Questions
What is servo drive in PLC?
✅ Servo motors are crucial devices that generate motion based on specific commands. These sophisticated mechanisms then regulate the speed and direction of the motion by responding to feedback, ensuring precise control. Servo motors are extensively used in applications like robotic arms, where precision, swift response to commands, and exact adherence to position requirements are essential.
Do servos need drivers?
✅ Servo motors typically require a significant amount of current to operate effectively. If the controller or controller board being used with the servo motor cannot supply this necessary current, a driver is essential to provide the required power.
What does a servo driver do?
✅ Servo drives play a crucial role in motion control systems by converting low-power command signals from the controller into high-power voltage and current required by the motor. Depending on the application, a servo drive can precisely regulate and coordinate the motor's desired position, speed, and torque.
What is a PLC Schneider?
✅Programmable Logic Controllers (PLCs), such as the Modicon PLC by Schneider, are essential tools in industrial automation. These controllers are designed to automate specific procedures, machine functions, or entire manufacturing lines, enhancing efficiency and precision in industrial operations.
What does a PLC do?
✅ A Programmable Logic Controller (PLC) is an advanced industrial computer control system. It continuously monitors input device statuses and uses custom programs to make decisions, controlling the state of output devices for efficient industrial operations.
What are the different types of servo drivers?
✅ Discover the Essential Types of Servo Motors: Rotary and Linear
When it comes to Servo Motors, there are primarily two main types: Rotary and Linear. Rotary Servo Motors, the most commonly recognized type, encompass various subtypes such as AC Servo Motors, Stepper Servo Motors, Brush DC Servo Motors, Permanent Magnet Synchronous Servo Motors, and Brushless DC Servo Motors. Each type offers unique advantages suited to different industrial and automation applications.

















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