KMC BAC-9300A Series BACnet Unitary Controllers (B-BC)

Inputs and Outputs Details

Inputs, Universal (6 on Terminal Blocks)

• Configurable as analog, binary, or accumulator objects.
• Supports 1K and 10K ohm sensors, 0-12 VDC, or 0-20 mA inputs.
• 16-bit analog-to-digital conversion resolution.
• Overvoltage protection (24 VAC, continuous).
• Uses 12-24 AWG copper wire.

Input, Dedicated Room Sensor Port

• Modular connector for STE-9xx1 series digital wall sensors or STE-6010/6014/6017 analog temperature sensors.
• Uses standard Ethernet patch cable up to 150 feet (45 meters).

Input, Integrated Air Pressure Sensor (BAC-9311ACE)

• Pressure range: 0 to 2" wc (0 to 500 Pa).
• Sensor accuracy: ±4.5% of reading or 0.0008" wc (0.2 Pa) at near zero, whichever is greater. Internally linearized and temperature compensated.
• Connections: Barbed for 1/4 inch FR (Flame Retardant) tubing.

Outputs, Universal (4 on Terminal Blocks)

• Configurable as analog (0 to 12 VDC) or binary object (0 or 12 VDC, on/off).
• Each short-circuit protected output can drive up to 100 mA (at 0-12 VDC) or 100 mA total for all outputs.
• 12-bit digital-to-analog conversion resolution.
• Uses 12-24 AWG copper wire.

Outputs, Triac (6 Binary)

• Optically isolated zero-crossing triac output configured as a binary object.
• Maximum switching 24 VAC at 1.0 A per output; maximum total for controller is 3.0 A.
• Uses 12-24 AWG copper wire.

Communication Ports

• MS/TP (optional): One EIA-485 port, supporting various baud rates up to 115.2 kilobaud. Maximum length up to 4,000 feet (1,200 meters) with 18 AWG shielded, twisted-pair cable. Repeaters can be used for longer distances.
• Ethernet (optional): Two 10/100BaseT Ethernet connectors for BACnet IP, Foreign Device, and Ethernet 802.3. Supports segmentation up to 328 ft (100 m) between controllers using T568B Category 5 or better cable.
• NFC: Near Field Communication up to 1 inch (2.54 cm) from the top of the enclosure.
• Room sensor: Modular STE connection jack for STE-9000 series digital sensors and STE-6010/6014/6017 analog sensors.

Configurability

*Configuration allows creation and deletion of objects (maximum number of objects shown). The number and configuration of default objects depends on the selected application.

Installation

Power

• Supply voltage: 24 VAC (50/60 Hz) or 24 VDC; –15%, +20%; Class 2 only; non-supervised.
• Required power: 8 VA, plus external loads.
• Wire size: 12-24 AWG, copper, in a removable screw terminal block.

Enclosure and Mounting

• Weight: 14 ounces (0.4 kg).
• Case material: Green and black flame retardant plastic.
• Mounting: Direct mounting to panels or on DIN rails.

Environmental Limits

• Operating: 32 to 120° F (0 to 49° C).
• Shipping: −40 to 160° F (−40 to 71° C).
• Humidity: 0 to 95% relative humidity (non-condensing).

Warranty, Protocol, and Approvals

Warranty

• KMC Limited Warranty: 5 years (from mfg. date code).

BACnet Protocol

• Standard: Meets or exceeds the specifications in ANSI/ASHRAE BACnet Standard 135-2010 for Building Controllers.
• Type: BTL-certified as a B-BC controller type.

Regulatory Approvals

• UL: UL 916 Energy Management Equipment listed.
• BTL: BACnet Testing Laboratory listed as Building Controller (B-BC) (pending).
• RoHS 2: RoHS 2 compliant.
• FCC: FCC Class A, Part 15, Subpart B and complies with Canadian ICES-003 Class A.

Hardware Features

Processor, Memory, and Clock

• Processor: 32-bit ARM® Cortex-M4.
• Memory: Programs and configuration parameters stored in nonvolatile memory; auto restart on power failure.
• RTC: Real time clock with capacitor power backup for 72 hours (“C” model only) for network time synchronization or full stand-alone operation.

Indicators and Isolation

• LED indicators: Power/status and Ethernet status.

Accessories

• Network Communications: BAC-5051AE (BACnet router), HPO-0055 (Replacement network bulb assembly), HPO-5551 (Router technician cable kit), HPO-9003 (NFC Bluetooth/USB module), HSO-9001 (Ethernet patch cable, 50 feet), HSO-9011 (Ethernet patch cable, 50 feet, plenum rated), HSO-9012 (Ethernet patch cable, 75 feet, plenum rated).
• Actuators: MEP-4xxx (25 to 90 in-lb., fail-safe and non-fail-safe), MEP-7xxx (180 and 320 in-lb., fail-safe and non-fail-safe).
• Differential Air Pressure Sensors: SSS-1012, SSS-1013, SSS-1014, SSS-1015 (various lengths).
• Miscellaneous Hardware: HCO-1103, HCO-1035, HCO-1036 (Steel control enclosures), SP-001 (Screwdriver), HPO-9901 (Controller replacement parts kit).

Room Sensors

Room Sensors, Analog

• STE-6010W10 (Temperature sensor, white)
• STE-6014W10 (Sensor with rotary setpoint dial, white)
• STE-6017W10 (Sensor with rotary setpoint dial and override button, white)
• HPO-9005 (Room sensor adapter for using other sensors)

Room Sensors, Digital (LCD Display)

• STE-9000 Series (KMC Conquest NetSensor digital room temperature sensors)
• HPO-9001 (NetSensor distribution module)

Sensors, Miscellaneous

• STE-1405 (DAT sensor)
• STE-1451 (OAT sensor)

Transformers, 120 to 24 VAC

• XEE-6111-050 (50 VA, single-hub)
• XEE-6112-050 (50 VA, dual-hub)
• XEE-6112-100 (96 VA, dual-hub, approved for smoke control applications)

Sample Installation

The diagram illustrates a typical installation connecting the BAC-9311ACE controller with an Air Pressure Sensor, STE-9xx1 NetSensor, and a BAC-5051AE Router. It also shows configuration via NFC-enabled smartphone and communication with other network devices and remote monitoring.

Support and Resources

For more information about installation and operation, refer to the following documents:

• BAC-9300 Series Controller Installation Guide
• KMC Conquest Controller Application Guide
• KMC Conquest Wiring: BAC-9300 Series Controllers (Video)
• Smoke Control Manual for KMC Conquest Systems

KMC Controls provides additional resources for installation, configuration, application, operation, programming, and upgrading on their website at www.kmccontrols.com. Users can log in to access available files.

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