Schneider Electric

TM171OBM22R

Modicon M171 Series • HVAC Controller

TM171OBM22R

Quick Info

Type HVAC
Application HVAC Control
Probe Inputs 12
Relay Outputs 8
Communication Modbus RTU/TCP, BACnet, Ethernet
Panel Size - mm

Optimized controller for HVAC machines and systems

Technical Specifications

Display & Interface

Display Type Optional HMI
Display Digits -
Buttons 0

Power Supply

Voltage 24V DC
Voltage Range 19.2-30V DC
Frequency -
Power Consumption 10W

Sensor Inputs

Probe Inputs 12
Probe Type Universal (NTC, PT1000, 0-10V, 4-20mA)
Temp Range -°C

Relay Outputs

Relay Outputs 8
Relay Rating 5A/250VAC

Physical

Panel Size - mm
Depth - mm
IP Rating IP20

Operating Conditions

Operating Temp -25 to 70°C

Wiring Terminals

Terminal Function Type Wire Color
24V DC Power Power
power
Analog Inputs Input
sensor
Digital Inputs Input
digital
Analog Outputs Output
analog
Relay Outputs Output
relay
Ethernet Communication
comm

Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.

Parameter Settings

Code Parameter Range Default Description
AI1-12 Analog Inputs Configurable NTC
DI1-10 Digital Inputs Dry Contact N.O.
AO1-4 Analog Outputs 0-10V 0V
DO1-8 Relay Outputs Relay Off

Error Codes

ERR