
The Schneider Electric TM172PDG42R is a Modicon M172 Performance programmable logic controller with integrated display and 42 I/O points. Designed specifically for HVAC and pumping control applications, this controller features 12 digital inputs, 12 digital outputs with relay configuration options, 12 analog inputs, and 6 analog outputs. The unit includes a 128x64 pixel backlit LCD display for local monitoring and control. It supports multiple communication protocols including Modbus TCP/IP via Ethernet, Modbus Serial via dual RS485 ports, and BACnet IP/MS-TP, making it ideal for building automation and industrial control systems. The controller offers flexible programming via SoMachine HVAC software compliant with IEC 61131-3 standards. Expansion capabilities are provided through a CAN expansion bus port, allowing system scalability as application requirements grow.
Item Details
- Brand Name: Schneider Electric
- Manufacturer: Schneider Electric
- Item Type Name: Programmable Logic Controller
- Product Family / Series: Modicon M171/M172
- Model Variant: Performance Display
- Alternate Brand: Square D By Schneider Electric
Product Specifications
- total_io_points: 42
- digital_inputs: 12
- digital_outputs: 12 relay outputs
- analog_inputs: 12
- analog_outputs: 6
- power_supply: 24 V AC/DC
- sensor_power_supply_5v: 5 V DC at 50 mA
- sensor_power_supply_24v: 24 V DC at 150 mA
- display: 128x64 pixel backlit LCD
- communication_ports: 2x RS485, 1x Ethernet RJ45, 1x CAN port, 1x USB Type A, 1x USB Mini-B
- communication_protocols: Modbus TCP, Modbus Serial, BACnet IP, BACnet MS/TP
- programming_software: SoMachine HVAC
- programming_standard: IEC 61131-3
- operating_temperature: -20 to 60 °C
- pwm_capability: AO3, AO4 up to 2 kHz
- expansion_bus: CAN expansion bus
- ip_rating: IP20
Additional Details
- Certifications / Approvals: RoHS
- Mounting Type: DIN rail or panel mount
- Rohs Compliant: Yes
- Application Focus: HVAC and pumping control solutions
- Green Premium: Yes
Measurements
- Mounting Temperature Derating: Maximum 60 °C ambient when mounted horizontally upward
All PLC Direct products come with a 1-year warranty. The warranty is issued by PLC Direct. Warranty coverage commences at the date of purchase. The warranty is for mechanical defects or failures not caused by human factors including but not limited to (a) incorrect installation, (b) operating the unit in sub-optimal conditions or in scenarios not recommended by the manufacturer, (c) poor unit maintenance, etc. The warranty does not cover programming or software related issues.
If the product is eligible for PLC Direct’s warranty coverage and the customer encounters an issue with the product, we will request the item is shipped to us for diagnosis and examination. Regardless of the cause of product issues, the customer will bear responsibility for the cost of shipping the unit to PLC Direct for evaluation. Where the unit was damaged by human factors, we will offer a repair or replace quote; in cases where damage was caused by human factors, the customer is responsible for the cost of shipping the repaired/replaced unit from PLC Direct to the customer. Where the unit was not damaged by human factors but is covered by PLC Direct’s warranty, we will repair or replace the unit at our cost (or, in rare cases, refund you your purchase); in such cases, PLC Direct will bear the cost of shipping the repaired or replaced product back to the customer. It is up to PLC Direct’s discretion whether to repair, replace, or refund the customer in such cases. Diagnoses can take time to complete based on technician availability and the complexity of diagnosis.
In no event shall PLC Direct be liable for any damages except actual damages up to, but not exceeding, the amount paid to us for the product, including we shall not be liable for any consequential or indirect damages or lost profits whether or not advised of same.
PLC Direct offers free shipping worldwide. Product ship from a various warehouses worldwide based on the customer's and the product's location. The estimated delivery date on the product page is PLC Direct's best estimated assuming a US-based shipping destination.
Regardless of where the product is shipping from, PLC Direct covers all duties for US-based shipping destinations. For non-US-based shipping destinations, customers are responsible for duties as appropriate.
PLC Direct's focus is on balancing price with lead time. Some but not all products can be expedited. If you have questions about delivery ETAs, please contact our team.

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