| Range Of Product |
Modicon M171/M172 |
| Product Or Component Type |
Programmable controllers |
| Product Specific Application |
HVAC control |
| Variant |
Programmable |
| Total Inputs/Outputs |
28 |
| Discrete Input Number |
8 |
| Discrete Output Number |
1 relay outputs SPDT with independent common
3 relay outputs SPST with same common
2 relay outputs SPST with same common
2 solid state, isolated SSR with independent common |
| Discrete Output Current |
3 A relay SPDT
3 A relay SPST
0.5 A solid state, isolated |
| Analogue Input Number |
8 configurable by pair |
| Analogue Output Number |
2 voltage 0...10 V
2 voltage/current 4...20 mA or 0...10 V or PWM (2 kHz) |
| 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
2 RS485 - screw terminal block Modbus serial link or BACnet MS/TP)
1 Ethernet - RJ45 Modbus TCP and BACnet IP with webserver) |
| Input/Output Number |
8 digital input
8 analog input
4 analog output
8 digital output |
| Discrete Input Logic |
Sink or source (positive/negative) |
| Discrete Input Voltage |
24 V AC/DC |
| Discrete Input Current |
2.5 mA |
| Input Impedance |
20 kOhm |
| Analogue Input Type |
impedance 0...1500 hOhm 1 hOhm 10 kOhm
impedance 0...300 daOhm 1 daOhm 2 kOhm
NTC 103AT-2 Beta 3435 temperature probe - 50...110 °C 0.1 °C 10 kOhm
voltage 0...10 V 1 digit > 10 kOhm
NTC NK103 Beta 3977 temperature probe - 40...137 °C 0.1 °C 10 kOhm extended)
current 0...20 mA/4...20 mA 1 digit < 150 Ohm
PTC temperature probe - 55...150 °C 0.1 °C 2 kOhm
voltage 0...5 V 1 digit > 20 kOhm absolute or ratiometric)
Pt 1000 temperature probe - 200...850 °C 0.1 °C 2 kOhm
direct input > 10 kOhm |
| Measurement Accuracy |
NTC NK103 Beta 3977 -40...+110 °C +/- 1 °C
NTC NK103 Beta 3977 110...137 °C +/- 1.9 °C
NTC 103AT-2 Beta 3435 - 50…110 °C +/- 1 °C
PTC -55...155 °C +/- 1.1 °C
Pt 1000 -200...-100 °C +/- 10 °C
Pt 1000 -100...-50 °C +/- 2.5 °C
Pt 1000 -50...100 °C +/- 1.5 °C
Pt 1000 100…400 °C +/- 2.4 °C
Pt 1000 400...850 °C +/- 10 °C
0...20 mA 0...4 mA +/- 2 % of full scale +/- 1 digit
0...20 mA 4...20 mA +/- 1 % of full scale +/- 1 digit
4...20 mA +/- 1 % of full scale +/- 1 digit
0...10 V +/- 1 % of full scale +/- 1 digit
0...5 V +/- 1 % of full scale +/- 1 digit
HOhm 0...1500 hOhm +/- 8.5 hOhm
DaOhm 0...300 daOhm +/- 2.5 daOhm |
| Sensor Power Supply |
5 V DC 50 mA supplied by the controller
24 V DC 150 mA supplied by the controller |
| [Us] Rated Supply Voltage |
24 V +/- 10 % AC
20...38 V DC |
| Power Consumption In W |
12 W 24 V AC/DC |
| Realtime Clock |
Built-in <= 30 s/month -4…149 °F (-20…65 °C) |
| Display Type |
Backlit LCD - 128 x 64 pixels |
| Overvoltage Category |
II |
| Local Signalling |
Programmable 1 LED red)
Programmable 1 LED yellow)
Programmable 1 LED green)
Power 1 LED green) |
| Mounting Support |
DIN rail
Panel mounting with accessory |
| Width |
5.67 in (144 mm) |
| Height |
4.33 in (110 mm) |
| Depth |
2.38 in (60.5 mm) |
| Product Weight |
0.66 lb(US) (0.3 kg) |
| Directives |
1907/2006/EC - REACH directive
2014/30/EU - electromagnetic compatibility
2014/35/EU - low voltage directive
2011/65/EU - RoHS directive |
| Standards |
CAN/CSA-E60730-1
CSA E60730-2-9
EN 60068-2-27
EN 60068-2-6 Fc
EN 60730-1
EN 60730-2-9
UL 60730-1
UL 60730-2-9
IEC 61000-4-2
IEC 61000-4-3
IEC 61000-4-4
IEC 61000-4-5
IEC 61000-4-6
IEC 61000-4-11 |
| Product Certifications |
EAC
CE
CURus
CSA
RCM |
| Ambient Air Temp For Op |
-4…149 °F (-20…65 °C) UL 60730-1
-4…131 °F (-20…55 °C) horizontal UL 60730-1 |
| Ambient Air Temp For Storage |
-22…158 °F (-30…70 °C) |
| Relative Humidity |
5…95 % non-condensing |
| IP Degree Of Protection |
IP20 |
| Pollution Degree |
2 |
| Nbr. Of Units In Pkg. |
1 |
| Green Premium Status |
Green Premium product |
| EU RoHs Directive |
Pro-active compliance (Product out of EU RoHS legal scope) |
| Mercury Free |
Yes |
| WEEE |
The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins. |
