Level II LCBS Training, Advanced Level Programming
Control Application Solutions for Everyday Control Problems!
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The LCBS Advanced Level Programming class focuses on writing control functions that are often needed to solve programming requirements of more sophisticated job specifications. Included will be information on Control Strategy Theories and how to program them in the XL15A and XL15C controllers, how to link the Control Loops, Logic Functions, Logic Loops, Start Stop loops, and other programming tools to achieve these programming requirements. A discussion of LonWorks theory will include information on the Network Variables that are the underlying data transfer mechanism in LonSpec. Ways to interface XL15A, XL15C and the XL10 controllers for maximum control integration will also be discussed. The majority of class time will be used to focus on programming the XL15C controller.
The class will present information on creating, programming, and backing up graphics in the LonStation operator interface. This will include how to move graphics from one computer to another.
The class lab exercises will work to satisfy an advanced level specification that will reinforce the class lessons. Open classroom discussions will allow student input to the solutions being presented.
Included will be:
| Configuring high and low limit control |
| Lead / lag output control (lead failover to lag) |
| Switching pump lead based on schedules |
| Multiple zone Bypass Mode configuration |
| Warm up / cool down mode configuration |
| Night time temperature control cycling |
| Discharge temperature, Duct Static, and other set point reset options |
| Using a T7770 wall module setpoint input on XL15c |
| LonStation graphic creation and programming |
| LonStation graphic backup and restore procedures |
| XL15b setup and operation |
| XL10 controller configuration |
| Command display setup and operation |
| Wireless wall module setup and bypass functions |
| DLC Load Control setup |
| Additional functions will also be included |
| Using the XL15C Simulator Tool |
| Day 1 | Day 2 | Day 3 | Day 4 |
| LonSpec project creation Understanding LonWorks System Architecture Vav Controller configuration Scheduling Devices on the LonWorks bus
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LonWorks Bus Communication Methods and Concepts,
Polling and Binding applications XL15C Math functions; General Purpose and Network Special Applications XL15C Logic Loops |
Resetting XL15C setpoints Economizer Control, Dry Bulb, Enthalpy Damper Minimum Position Settings Control Loops Setpoint Overrides Configuring High/Low Limits, Static Pressure High Limit, Mixed Air Temperature Low Limit |
Hot Water Control and Setpoint Reset Pump Lead/Lag, Lead Failover to the Lag Pump, Switching the Lead Pump Based on a Schedule Using a T7300 Thermostat to Schedule on the LonWorks bus Using a T7770 Wall Module on an XL15A and XL15B |
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Lunch |
Lunch | Lunch |
Lunch |
| Creating Hardware Points in the XL15C Logic Flow Diagrams XL15C Start/Stop Loops Vav XL10 Controller Terminal Load Concept and Use |
Using XL15A Controller Calculations in an XL15c XL15C Logic Loops (continued) Warmup Mode Concept and Application Discharge Air Temperature control |
Indoor Air Quality (IAQ) Concepts and Application Controller Bypass Settings and Applications Static Pressure Control and Setpoint Reset
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Using the Flex Non-Linear control algorithm Configuring a Command Display Module XL15C Simulator LonStation Site Creation LonStation Graphics XL15B Controller Setup and Navigation
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