Modicon M171 M172 Plc Page 24 Electronic expansion valve drivers

24 Presentation, description, references Modicon M171/M172 logic controllers Electronic expansion valve drivers Presentation Electronic expansion valve drivers The 3 types of electronic expansion valve drivers are used to control the electronic expansion valve so as to control superheat after the evaporator. b They are compatible with each performance or optimized logic controllers. b They operate independently on measurement accessories such as: v NTC or PT1000 probes v Pressure transducers b The 3 available electronic expansion valve drivers are compatible with competing valve brands such as those given in the table below: Electronic expansion valve drivers: Brand (type) Expansion valves: Brand (type) Schneider Electric (TM171VEVA2, TM171VEVD4, TM171VEVM4) ELIWELL TM (SXVB) ALCO TM (EX4, EX5, EX6, EX7, EX8, EXM246, EXL246) DANFOSS TM (ETS50, ETS100) SPORLAN TM (SER(I) G/J/K/B/C/D, SER1.5 to 20, SEI 30/50, SEH) SANHUA TM (DPF-Q,DPF-T01) Description 35 mm/ 1.38 in . rail mounting TM171V pp electronic expansion valve drivers (1) 1 Output terminal block and power supply connector ( z 24 V) 2 Protective cover 3 3 status LEDs Behind the removable protective cover: 4 6-position DIP switches 5 Status LED (for operation with TM171AMFK programming stick) 6 LAN serial port for connecting TM171DLED remote display 7 Terminal block for analog/digital inputs 8 Clip for 35 mm/ 1.38 in. rail mounting 9 TTL programming port TM171VEVA2 TM171VEVD4 TM171VEVM4 TM171ASCTBVEV References Electronic expansion valve drivers Application Number and type of channels Reference Weight kg/ lb Inputs Outputs Actuator, convert 0-10 V or 4-20 mA in opening position contact 1 analog input: v 1x 4-20 mA, 0-5 V, or 0-10V 1 digital output: v 1 open collector (100 mA, c 12 V) TM171VEVA2 0.190/ 0.420 Autonomous, wired to manage On/Off contact 2 digital inputs: v 2 volt-free 4 analog inputs: v 2 NTC (-50+110 C, -40+150 C / -58+203 F, -40+302 F ), PT1000, 4-20 mA, 0-5 V, or 0-10 V v 2 NTC (-50+110 C, -40+150 C / -58+203 F, -40+302 F) , or PT1000 (2) 2 digital outputs: v 1 open collector (100 mA, c 12 V) v 1 SPST NO relay contact, 5 A, a 250 V TM171VEVD4 0.190/ 0.420 Autonomous, managed by Modbus (RS 485) 2 digital inputs: v 2 volt-free 4 analog inputs: v 2 NTC (-50+110 C, -40+150 C/ -58+203 F, -40+302 F ), PT1000, 4-20 mA, 0-5 V, or 0-10 V (2) v 2 NTC (-50+110 C, -40+150 C/ -58+203 F, -40+302 F ), or PT1000 (2) 2 digital outputs: v 1 open collector (100 mA, c 12 V) v 1 SPST NO relay contact, 5 A, a 250 V TM171VEVM4 0.190/ 0.420 Accessories for Electronic expansion valve drivers To be ordered separately Designation For connecting Reference Weight kg/ lb Screw terminal block for electronic expansion valve drivers Power supply, sensor power supply, digital and analog I/O, Modbus link TM171ASCTBVEV 0.050/ 0.110 (1) TM171ASCTBVEV screw terminal block to be ordered separately. (2) 2 PT1000 (-50+99.9 C / -58 + 211.82 F) 8 7 9 1 3 2 4 5 6

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