Description
| Specification | |
|---|---|
| BACnet Support: | Conforms to the Advanced Application Controller (B-AAC) Standard Device Profile as defined in ANSI-ASHRAE Standard 135-2004 (BACnet) Annex L. |
| Brand/ Manufacturer | ALC |
| Communication Ports: | The following ports are available on the RC642 module: EIA-485 port for ARCNET 156 Kbps or MS/TP (9600 bps – 76.8 Kbps). Local access port for system start-up and troubleshooting. RC642D Rnet port: Supports up to four RS sensors for averaging or high/low. RC642 Rnet port: Supports up to four RS sensors and one RS Pro sensor for averaging or high/low. |
| Digital Output: | Six digital outputs, relay contact rated at 1A max @ 24V-ac, configured normally open. |
| Universal Inputs: | Four universal inputs with 10 bit A/D resolution. Two are configurable for dry contact or thermistor; and two for either dry contact, thermistor or 0-5 V-dc. |
| Analog Outputs: | Two analog outputs, 0-10V-dc with 8-bit resolution, 10mA maximum. |
| Microprocessor: | High speed 16-bit microprocessor with ARCNET communication co-procesors. |
| Memory: | 512 Kbyte non-volatile battery-backed RAM, 1 MByte Flash memory, 16-bit memory bus. |
| Battery: | 7 year Lithium BR325 battery provides minimum 10,000 hours of data retention during power outage. |
| Status Indicator: | LED status indicators for EIA-485 communication, running, error and power. |
| Module Addressing: | Rotary dip switches for intuitive network addressing of modules. |
| Protection: | Built in surge and transient protection circuitry for power, communications and I/O. |
| Listed by: | UL916 (Canadian Std C22.2 No. 205-M1983), CE, FCC Part 15 – Subpart B – Class A, CE EN50082-1997 |
| Environmental Operating Range: | 0F to 130F (-17.8C to 54.4C); 10 -90% relative humidity, non-condensing. |
| Power Requirements: | 24V-ac ± 10%, 26V-dc (25 V min, 30 V max), 50-60Hz, 12VA |
| Physical: | Plastic enclosure, removable screw-type terminal blocks. |
| Weight: | 10.6 oz |
| Dimensions: Overall | Width: 6.8 inches (17.3 cm) Height:4.3 inches (10.9 cm) Depth:1.3 inches (3.3 cm) |
| Mounting: | 2 inches x 4 inches electrical box U.S. 4 inches x 4 inches electrical box U.S. 35mm BS4662 single gang electrical box |
| Datasheet | Download > |
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