Integration & wiring notes
The TM171PDM27R: Flush-mount panel cutout; dimensions 160 x 96 x 10 mm (W x H x D). Spring-cage terminals for I/O and the RS485 Modbus port; USB type A and mini-B for programming/upload. Discrete inputs sink or source 24 V AC/DC at 2.5 mA. Relay outputs split: three SPST (same common, 5 A), two SPST (same common, 5 A), two SPDT (independent common, 8 A). Analog I/O configurable: 0–10 V, 4–20 mA, NTC/Pt1000 temperature probes. IP20 enclosure.
