
Schneider Electric – TM172PDG42S – Modicon M172 Performance Logic Controller
Main Features
Series & Model: Modicon M171/M172/M173 logic controller, TM172PDG42S variant with integrated performance display
Total I/O Count: 42 I/O channels: 12 digital inputs, 12 digital outputs, 12 analog inputs, 6 analog outputs
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Digital Inputs/Outputs:
Digital Inputs operate at 24 V AC/DC (2.5 mA sink/source) across 12 channels
Outputs include 2 SPDT relays, 3 SPST relays, plus 2 solid-state relays (SSR) with independent common
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Analog I/O:
12 analog inputs (configurable pairs), supports voltage, current, thermocouple, RTD, and frequency inputs
6 analog outputs: 4 fixed voltage (0–10 V) and 2 capable of voltage/current or PWM up to 2 kHz
Built-in Display: 128×64 pixel backlit LCD with keypad for local control and diagnostics
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Communication Ports:
Ethernet port for Modbus TCP and BACnet IP
2 x RS‑485 for Modbus RTU/BACnet MS/TP
CAN bus for expansion, plus USB-A host and USB-mini B device
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Power & Performance:
Power supply: 24 V AC/DC (20–38 V DC)
Scan speed: ~0.3 ms per 1 K binary instruction; includes a real-time clock
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Certifications & Environmental Specs:
Rated IP20, operates from –20 °C to +55 °C; complies with IEC 60730, CE, CSA, cURus, EAC, RoHS
Form Factor: DIN-rail or panel mounting; housing ~144 × 110 × 60 mm, weight ~0.385 kg