Schneider Electric Applications Engineer Interview Questions and Answers for Experienced

The number of systems that can be connected in a BACnet MSTP protocol network depends on factors like network speed, device types, and network topology.

• The maximum number of devices that can be connected in a BACnet MSTP network is typically limited to 127 devices.

• The actual number of systems that can be connected may vary based on the network speed and the types of devices being used.

• Factors like network topology, cab...read more

Safety interlock for AHU ensures safe operation by preventing access during operation.

• Safety interlock can be implemented using door switches to prevent access when AHU is running

• Emergency stop buttons can be installed to immediately shut down AHU in case of emergency

• Interlocks can be connected to the control system to automatically stop AHU if safety conditions are not met

BMS stands for Building Management System. It is a computer-based control system that manages and monitors a building's mechanical and electrical equipment.

• BMS controls and monitors HVAC systems, lighting, security, fire alarms, and other building systems.

• It typically consists of sensors, controllers, communication networks, and user interfaces.

• Examples of BMS vendors include Siemens, Honeywell, and Johnson Controls.

Chillers are refrigeration systems that remove heat from a liquid via a vapor-compression or absorption cycle.

• Chillers are commonly used in industrial settings to cool equipment, machinery, and processes.

• They are also used in commercial buildings to cool air and maintain comfortable temperatures.

• Chillers can be found in data centers to prevent overheating of servers and other electronic equipment.

• In the food and bevera...read more

HVAC and BMS are essential for controlling heating, ventilation, and air conditioning systems in buildings.

• HVAC stands for heating, ventilation, and air conditioning, and is responsible for controlling the temperature, humidity, and air quality in a building.

• BMS stands for Building Management System, which is a computer-based control system that manages and monitors the building's mechanical and electrical equipment.

• In...read more

The question covers various aspects of HVAC systems and BMS standards.

• IO summary refers to the input/output points of a system.

• Water meter and flow meter are used to measure the flow rate and volume of water in a system.

• Sequence of operation for CPM and AHU refers to the order in which the equipment operates.

• HVAC equipment includes chillers, boilers, air handlers, etc.

• BMS standards include protocols like BACnet, Modbus

CCTV and ACS are security systems used for surveillance and access control. They come in various models and makes.

• CCTV stands for Closed Circuit Television and is used for video surveillance

• ACS stands for Access Control System and is used for controlling access to a building or area

• Both systems come in various models and makes from different manufacturers

• Examples of CCTV models include dome cameras, bullet cameras, and...read more