Modicon M171 M172 Plc For Hvac And Pumping Applications Page 3-14 Hardware control platforms

3/14 Presentation, references Hardware control platform Modicon M171/M172 logic controllers M171 optimized logic controllers Remote display Wall thermostats Remote display for M171 optimized logic controllers The two available remote displays for the M171 optimized logic controllers offer, are distinguished by technology and mounting. v Technology: LED display or LCD display v Mounting: flush mounting - can be mounted on a cabinet door The remote displays are connected to the LAN expansion bus which provides the power supply. Reference Type Description Reference Weight kg/ lb Remote displays With realtime clock b LED display: 4 digits,7 segments b Keyboard: 4 buttons b Flush mounting b Communication port: 1 for LAN expansion bus - with wired connector (1) or screw terminal blocks TM171DLED 0.042/ 0.090 b LCD display (with segments) b Keyboard: 7 buttons b Flush mounting b Communication port: 1 for LAN expansion bus - with screw terminal blocks b 2 analog inputs v 1 NTC or digital input v 1 NTC or 4-20 mA or digital input TM171DLCD2U 0.170/ 0.370 Wall thermostats for M171 optimized logic controllers The two types of electronic wall thermostats available for the M171 optimized logic controllers offer are delivered with ot without backlight. The wall thermostats have a realtime clock. Reference Type Description Reference Weight kg/ lb Wall thermostats Without backlight TM171DWAL2U 0.143/ 0.320 With backlight TM171DWAL2L 0.143/ 0.320 (1) Supplied with LAN expansion bus connector TM171ACB4OLAN TM171DLED (1) TM171DLCD2U TM171DWAL2U TM171DWAL2L + 2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10

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