Product data sheet TM171PDM27S Characteristics Modicon M171 Performance Display 27 I/Os Modbus, 2 SSR Main Range of product Modicon M171/M172 Product or component type Programmable controllers Product specific application HVAC and pumping solution Variant Programmable Number of inputs/outputs 27 Discrete input number 8 Discrete output number 3 for relay outputs SPST with same common 2 for relay outputs SPDT with independent common 2 for solid state, isolated SSR with same common Discrete output current 0.5 A for solid state, isolated 8 A for relay SPDT 5 A for relay SPST Analogue input number 2 analog input NTC 4 configurable Complementary 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 1 RS485 - screw terminal block (Modbus serial link) Input/Output number 6 analog input(s) 5 analog output(s) 8 digital input(s) 7 digital output(s) 1 high-speed counter(s) Discrete input logic Sink or source (positive/negative) Discrete input voltage 24 V AC/DC 48 V DC Discrete input current 2.5 mA Input impedance 20 kOhm Analogue input type Impedance 0...1500 hOhm Impedance 0...300 daOhm Mar 01, 2017 1 Disclaimer: This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applicationsVoltage 0...5 V (ratiometric) Temperature probe, Pt 1000 - 200...800 C - resolution: 0.1 C Temperature probe, NTC - 50...110 C - resolution: 0.1 C (extended) Temperature probe, NTC - 40...150 C - resolution: 0.1 C Current 4...20 mA Voltage 0...10 V Analogue output number 3 voltage/current, range: 4...20 mA or 0...10 V 2 open collector, range: 1 kHz, 12 V, 35 mA Sensor power supply 5 V DC at 50 mA 12 V DC at 150 mA Us rated supply voltage 24 V AC/DC (+/- 20%) 48 V DC (+/- 20%) Power consumption in W 18 W at 24...48 V AC/DC Realtime clock Built-in realtime clock at -10...55 C Display type LCD display - 128 x 64 pixels Overvoltage category II Local signalling 1 LED red programmable 1 LED yellow programmable 1 LED green programmable Mounting support DIN rail Width 140 mm Height 110 mm Depth 61.6 mm Product weight 0.385 kg Environment Directives 86/188/EEC - physical agents (noise) directive 2011/65/EU - RoHS directive 2006/95/EC - low voltage directive 1907/2006/EC - REACH directive Standards EN/IEC 60730 Product certifications CSA CE cURus EAC Ambient air temperature for operation -10...55 C conforming to UL 60730-1 Ambient air temperature for storage -20...85 C Relative humidity 10...90 % non-condensing IP degree of protection IP20 Pollution degree 2 Offer Sustainability Sustainable offer status Not Green Premium product RoHS (date code: YYWW) Compliant - since 1426 - Schneider Electric declaration of conformity Schneider Electric declaration of conformity REACh Reference not containing SVHC above the threshold Reference not containing SVHC above the threshold 2