Building Controller

Destined to be a workhorse of the industry, the Reliable Controls MACH‑Pro1™ is a rugged, flexible, fully programmable BACnet Building Controller (B‑BC) ideal for midsize rooftop equipment or small mechanical room applications.

Purchase Products

Product features


  • BACnet.
    • MS/TP and PTP.

12 Inputs

  • Universal ranges.
  • Use a jumper to select thermistor/dry contact, 4–20 mA, or 0–10 VDC.

Eight Outputs

  • Universal ranges.
  • Optional Hand/Off/Auto (HOA) switches with position feedback to RC-Studio®.

256 Values

  • Select standard and custom ranges as well as fixed program-driven values.

32 Loops

  • Standard P, PI, or PID controllers for closed loop control.

16 Schedules

  • 14 on/off times for each weekday or exception.

64 Calendars

  • Designate days of the year as holidays.

20 Tables

  • For creating custom scaling functions.

32 System Groups

  • Group related objects on one display.
  • 160 unique objects per group.

32 Programs

  • Freely programmable control strategy in a readable, BASIC‑like language.
  • 3,200 bytes per program.

Multipoint Trend Logs

  • Store up to eight objects in each trend log.
  • Record values at user-defined intervals.
  • Dynamic; user assigned.

Single-point Trend Logs

  • Record values at user-defined intervals or based on change of value.
  • Dynamic; user assigned.

Runtime Report

  • Total the on time and record the on/off times of every binary object.
  • Automatically generated.

128 Arrays

  • Up to 128 elements in a one-dimensional array.

128 User Passwords

  • Protect access to the system.
  • Assign each user with a username and access level.
  • Multiple levels of security.

24 Custom Units

  • Eight analog engineering units.
  • Eight binary units.
  • Eight multistate units with eight states, 30 characters each.

SMART-Net Port

  • Network up to eight SMART-Sensor devices.

128 Net Ins

  • The maximum number of shares from other devices.

64 Net Outs

  • The maximum number of writes to other devices.

Real-Time Clock


  • 5 years.
RoHS 3 Certified BTL Listed Device

Technical specifications


  • 100 MHz high-performance 32-bit embedded microcontroller.


  • 8 MB operating RAM.
  • 1 MB nonvolatile RAM for trends and dynamic values.
  • 4 MB Flash EEPROM operating system, database, and controller configuration.

Supply Voltages

  • 24 VAC ±10% 75 VA maximum, 50/60 Hz.
  • 24 VDC ±10% 26 W maximum.

Communication Options

  • One EIA‑485 port that supports a baud rate up to 76.8 kbps. Auto baud detection.
  • One EIA‑232 port that supports a baud rate up to 115.2 kbps. PC or modem.
  • One SMART‑Net port that supports up to eight devices on a SMART-Net network.

Universal Inputs

  • 12 universal inputs.
  • 12-bit A/D converter.
  • Analog: 0–10 VDC, 4–20 mA, thermistor.
  • Binary: Dry contact.
  • Impedance:
    • 1 MΩ for 0–10 VDC range.
    • 250 Ω for 4–20 mA range.
    • 20 kΩ pull-up for thermistor/dry contact range.
  • Pulse counting up to 150 Hz. Supports flow meters.
  • 24 VAC overvoltage protection.

Universal Outputs

  • 12-bit D/A converter.
  • Analog: 0–12 VDC.
  • Binary: Software-configurable between 0–12 VDC.
  • Manual on provides adjustable 0–12 VDC on controller with HOA option.
  • LED indicator glows proportionally.
  • Maximum 75 mA each.
  • 24 VAC overvoltage protection.

Peripheral Power

  • Onboard variable 15–24 VDC power supply provides up to 200 mA of DC power to peripheral devices. If powered by 24 VDC, the maximum voltage output is 22 VDC.

Real-Time Clock

  • ±1 second per day.

Memory/RTC Backup

  • 72-hour backup.
  • 10 years for database.

Wiring Terminals

  • 12–22 AWG (3.31–0.33 mm²).
  • Stranded or solid core.
  • Copper conductors only.


  • 25.4 cm L x 13.7 cm W x 3.9 cm H
    (10" L x 5 3/8" W x 1 1/2" H).


  • #8 clearance holes on 23 cm L x 11 cm W
    (9 1/16" L x 4 5/16" W).
  • Screw depth 25 mm (1").


  • 0.6 kg (1.3 lb).

Ambient Limits

  • Operating: ‑20°C to 55°C (‑4°F to 131°F).
  • Shipping: ‑40°C to 60°C (‑40°F to 140°F).
  • Humidity: 10%–90% RH noncondensing.



Connection wiring

Network wiring

Power wiring


Reliable Controls offers six equipment enclosures that provide an economical, professional, and branded solution for control equipment protection. Purpose-built for the controls industry, the enclosures maximize the number of Reliable Controls devices that can be accommodated.


DIN Rail Mounting Kit Mounting convenience
The Reliable Controls® MP-DINRAIL™ is a two piece ABS adapter that is custom designed to convert the standard MACH-Pro(Web)Com™, MACH-Pro(Web)Sys™, MACH-ProPoint™, and MACH-Pro1/2™ enclosures to be DIN rail mountable.