Honeywell Spyder, 21 IO - PVL6438NS/U

The Spyder, 21 IO is a VAV (Variable Air Volume) controller that is programmable and equipped with 6 Universal Inputs, 4 Digital Inputs, 3 Analog Outputs, and 8 Digital Outputs. This controller is designed to interface via the robust Echelon LonWorks Network protocol. It boasts of built-in zone control functions encompassing a remote wall module interface and a scheduler component. Selected models in the series offer a microbridge airflow sensor with a dual integral restrictor design that ensures simplified user access to sensor inputs. The actuator in specific models mounts directly onto the VAV box damper shaft and provides up to 44 lb-in of torque, a 90-degree stroke, and a 90-second timing at 60 Hz.

The wiring connections for the Spyder, 21 IO are made to removable terminal blocks, facilitating ease of installation and replacement. The housing for both the controller and the actuator is UL Plenum rated, ensuring compliance with industrial standards. The controller utilizes a Free Topology Transceiver (FTT) for a high-speed 78 Kilobit communication network. While the controller is capable of stand-alone operation, it can also interface with the LonWorks bus network communications.

Additionally, the Spyder, 21 IO is designed with a Sylk Bus for use with Sylk-Enabled sensors and can accommodate 120 controllers per Q7751A,B Router when configured as a repeater. It is fully field-configurable and programmable for control, input, and output functions using the NIAGARA FRAMEWORK Software. Designers can benefit from the function block engine to program the controller to perform a wide array of HVAC applications.

Notably, the Spyder, 21 IO alerts users to significant event notifications, periodic update capabilities, and failure detect when network inputs are not meeting the required time frame. It operates on a 24 VAC power supply within a valid range of 20 to 30 VAC. The controller can function within an operating temperature range of 32 F to 122 F. The Spyder, 21 IO is UL/cUL (E87741) listed under UL916, has a plenum rating, and complies with FCC Part 15, Subpart B, Class B standards for radiated emissions.

In terms of physical connection, the Spyder, 21 IO integrates a FTT-10A LON port and follows a DIN-rail mounting approach. This durable and adaptable controller is an essential addition to industrial automation and control systems.