Back | Shop Back to Controllers & I/O Devices Controllers & I/O Devices Access Controls & Security Devices BACnet/Modbus/LONworks Batteries Blueprint/Drawing Printing Building Automation Building Automation Systems Commissioning Tools Controllers & I/O Devices COVID-19 Resources For Buildings & Occupants Dampers & Actuators Dryer & Air Compressor Accessories Electric Heat Controls Emergency Operator Stations Enclosures enocean Estimating Platform EV Charging Farming & Horticulture Field Service Efficiency Products Fire Devices Flow Gas Detectors Gauges & Thermometers Handheld Sensors, Data Loggers, & Meters Healthy Building Technologies Humidity / Condensation HVAC Installation Materials Interface Devices / Signal Conversion Leak Detection Level Sensors & Switches Lighting - Lighting Systems & Controls Motors Multi-Function Air Quality Sensors Networking Devices & Patch Cables Notification Appliances Operational Technology Networks (OT) Panel Devices Pneumatic Controls Power Meters/Current Switches/Current Sensors Power Supplies Pressure Refrigeration Controls Relays & Contactors Remote Monitoring Alarm Systems Sanitizing & Disinfecting Equipment Surge Protection & UPS Temperature Sensors Thermostats & Controllers Timers Transformers Uncategorized Parts Valves & Valve Actuators Variable Speed Drives & Motor Controls Weather Related Products Wire & Cable Wireless I/O Modules/Expanders Accessories - Controllers Boiler/DHW Controls Control Panels Echelon Controllers & Software Economizer Fan Coil Controllers I/O Modules/Expanders Terminal Unit Controllers Universal Controllers VAV Controllers iSMA-B-4O-H
About This Product I/O Module Modbus RTU/ASCII or BACnet MSTP Communication 1xRS485 4xDO NC/NO Max 8 A @ 230 V AC/30 V DC Relay with HOA 24 V AC/DC Documents Specification Sheet Installation Instructions Attributes PROTOCOL BACNET MS/TP | MODBUS RTU # OF INPUTS 1 # OF OUTPUTS 4
