The Reliable Controls® MACH-Stat™ is a unique, fully programmable BACnet Advanced Application Controller (B-AAC) ideal for mid-sized rooftop equipment, multizone equipment, or small mechanical room applications requiring a completely customizable local display.

    

Protocol

  • BACnet®
    – MS/TP (EIA-485)
  • Reliable Controls®
    – Network (EIA-485/Token Bus)

4 Control-BASIC™ Programs

  • User programmable control strategy in a readable, BASIC-like language
  • 2000 bytes per program

8 Inputs (max.)

  • Inputs 1–4 Universal ranges are jumper selectable: 0–5 VDC, 4–20 mA, thermistor, and dry contact
  • Input 5 is 10k thermistor
  • Input 6 optional 20k setpoint slider or 10k/dry contact
  • Input 7 optional humidity sensor
  • Input 8 optional occupancy sensor

8 Outputs

  • Sockets 1–6 accept any mix of OMs (relay, TRIAC, or universal)
  • Outputs 7–8 are TRIAC and require no OMs
  • Universal ranges are scalable between 0–12 VDC
  • Single stage relays are jumper selectable NO/NC

48 Variables

  • Selectable standard and custom ranges, as well as fixed or program-driven values

4 PID Loops

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

3 Trend Logs

  • Each trend log stores 150 samples of 6 points at programmable time intervals

8 Runtime Logs

  • Totals the On time and records the On/Off times of a digital point
  • Holds 100 samples

7 Vision Groups

  • Allows 6 points to be displayed in the LCD window
  • Point names can have custom display names

1 Application Specific Group

  • Display 6 fixed points typical of thermostat

2 System Groups

  • Allows related points to be grouped on one display
  • 50 points per group

1 Weekly Schedule

  • 4 On/Off times for each weekday and 2 override days

1 Annual Schedule

  • Days of the year designated as holidays

5 Custom Tables

  • For creating custom input ranges and Control-BASIC™ lookup tables

16 Custom Units

  • 8 analog engineering units
  • 8 digital engineering units

SMART-Net™ Port

  • Networks up to 4 SMART-Sensors™

48 Network In Points

32 Network Out Points

Warranty

  • 5 years
  • 1 year for humidity sensor

Certification

Processor

  • 25 mHz, high performance, 16-bit embedded microcontroller

Memory

  • 64k RAM, for logs and scratch
  • 512k Flash EEPROM for firmware configurations and database
  • Minimum 10-year retention

Real Time Clock (optional)

  • ±1 second per day

Supply Voltages

  • 24 VAC ±10% 25 VA max.
  • 24 VDC ±10% 8 W max.

Communications

  • EIA-485 @ 76.8 kbps max.
  • SMART-Net™ (4 SMART-Sensors max.)

Display

  • 128 x 64 dot matrix LCD with white backlight
  • View area 62 mm x 44 mm
  • Contrast adjust, backlight select

Keypad

  • 5-button conductive rubber

Temperature Sensor

  • Thermistor comes pre-mounted on Input 5 (can also be remote mounted)
  • Range: 0ºC to 40ºC (32ºF to 104ºF)
  • ±0.1ºC (0.18ºF) resolution
  • User calibrated to ±0.1ºC (0.18ºF) accuracy

Configuration

  • SETUP-Tool™ or X-Port™ required for MSet configuration

Mounting

  • Unit mounts directly to single or dual device box

Inputs (8 max.)

  • 4 Universal Inputs
    • 10-bit A/D converter
    • Analog: 0-5 VDC, 4-20 mA, thermistor
    • Digital: dry contact
    • Impedance:
      15k O on 0-5 VDC range,
      250 O on 4-20 mA range,
      10k O on thermistor range
    • 100 Hz pulse counting (supports flow meters)
    • 24 VAC over-voltage protection
  • 2 thermistor/dry contact inputs
  • Humidity input
    • 0.1% resolution
    • 10-90% range
    • ± 1.8% RH accuracy
  • Occupancy input
    • Passive Infrared Radiation (PIR) sensor
    • 64 detection zones
    • 100º horizontal / 82º vertical
    • 5 m (16.4 ft.) max. detection distance

Outputs (8 max.)

  • Ships with 6 unpopulated output sockets
  • Output Modules (OMs) sold separately
  • Sockets 1-6 include an 8-bit D/A converter and can be configured as analog outputs
  • Sockets 1-6 accept any mix of OMs (relay, TRIAC, or universal)
  • Outputs 7-8 are TRIAC and require no OMs
  • Universal OMs provide 0-12 VDC (analog or digital), 75 mA max. with 24 VAC over-voltage and short circuit protection
  • Relay OMs provide a dry contact for switching DC or AC loads up to 24 V, 0-500 mA, N.C. or N.O.
  • TRIAC OMs switch 24 VAC only with current load between 20-500 mA

Dimensions

  • 12 cm L x 14 cm W x 4.3 cm H
    (4 3/4″ L x 5 1/2″ W x 1 5/8″ H)

Weight

  • 0.28 kg (0.615 lb.)

Ambient Limits

  • Operating: -20 ºC to 55 ºC
    (-4 ºF to 131 ºF)
  • Shipping: -40 ºC to 60 ºC
    (-40 ºF to 140 ºF)
  • Humidity: 10% to 90%
    RH non-condensing

Universal Module - Front and Back Views

Universal Output Modules
The Universal Output Module (UM) provides a standard Reliable Controls® 0-12 VDC 75 mA output. Built-in overload and short-circuit protection. Modulating or digital range configured using RC-Studio® 2.0. Sold in packages of ten.

Triac Module - Front and Back Views

Triac Output Modules
The Triac Output Module (TM) is a single normally open contact for 24 VAC loads only, 0.5 A. Ideal for switching 24 VAC control circuit loads found in packaged HVAC systems, and 24 VAC two-position or floating point actuators. Sold in packages of 10.

Relay Module - Front and Back Views

Relay Output Modules
The Relay Module (RM) is a Single Form C SPDT dry contact, 24 VAC/DC, 0.5 A. A jumper is provided to select normally open or normally closed operation. Ideal for switching low current and/or DC loads. Sold in packages of 10.