Power Requirement

24 VAC (nominal, 20   VAC minimum/30 VAC maximum), 50/60 Hz, power supply Class 2 (North America),   Safety Extra-Low Voltage (SELV) (Europe)

Power Consumption

14 VA maximum

Power Source

+15 VDC power source   terminals provide 100 mA total current. Quantity 1 located in Universal IN   terminals- for active (3-wire) input devices.

Ambient Conditions

Operating: 0°C to 50°C   (32°F to 122°F); 10 to 90% RH noncondensing
  Storage: -40°C to 80°C (-40°F to 176°F); 5 to 95% RH noncondensing

Addressing

BACnet® MS/TP: DIP   switch set; valid controller device addresses 4–127 (Device addresses 0–3 and   128–255 are reserved and not valid controller addresses).

Communications Bus

3-wire FC bus between   the supervisory controller and other controllers
  4-wire SA bus between controller, network sensors and other sensor/actuator   devices, includes a lead to source 15 VDC supply power (from controller) to   bus devices.

Processor

RX631 Renesas®, 32-bit   microcontroller

Real-Time Clock Backup   Power Supply

Super capacitor   maintains power to the onboard real-time clock for a minimum of 72 hours when   supply power to the controller is disconnected.

Memory

16 MB flash memory and   8 MB SDRAM

Input and Output   Capabilities

4 - Universal Inputs:   Defined as 0–10 VDC, 0–600k ohm, or Binary Dry Contact
  6 - Binary Inputs: Defined as Dry Contact Maintained or Pulse   Counter/Accumulator Mode
  2 - Binary Outputs: Does not have internal 24 VAC source, external power is   required
  2 - Configurable Outputs: Defined as 0–10 VDC or 24 VAC Triac BO
  2 - Analog Outputs: Defined as 0–10 VDC

Analog Input/Analog   Output Resolution and Accuracy

Analog Input: 15-bit   resolution
  Analog Output: 0–10 VDC +/- 200 mV

Terminations

Input/Output: Fixed   Screw Terminal Blocks
  SA/FC Bus and Supply Power: 4-Wire and 3-Wire Pluggable Screw Terminal Blocks
  SA Bus Port: RJ-12 6-Pin Modular Jack

Mounting

Horizontal on single   35 mm DIN rail mount (preferred), or screw mount on flat surface with three   integral mounting clips on controller

Housing

Enclosure material:   ABS and polycarbonate, Rating V0 minimum
  Protection Class: IP20 (IEC529)

Dimensions (Height x   Width x Depth)

150 mm x 164 mm x 48   mm (5-7/8 in. x 6-7/16 in. x 1-7/8 in.) including terminals and mounting   clips

Weight

0.5 kg (1.1 lb)