Siemens 125-1957 owner manual Glossary, Algorithm, Centralized control, Control loop

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Glossary

Overview

The glossary contains terms and acronyms that are used in this manual. For definitions of point database descriptors, see Chapter 3, Point Database. For definitions of commonly used terms as well as acronyms and abbreviations associated with the APOGEE Automation System, see the Siemens Building Technologies Technical Glossary of Building Controls Terminology and Acronyms, (125-2185). This book is available from your local Siemens Building Technologies representative.

Al

Analog Input. Physical point which accepts a continuous variable signal.

algorithm

Mathematical formula used to calculate an output value using varying inputs.

AO

Analog Output. Physical point that generates a continuous variable signal.

centralized control

Type of control offered by a controller that is connected, by means of a Floor Level Network (FLN), with an APOGEE field panel.

control loop

Proportional Integral Derivative (PlD) algorithm that is used to control an output based on a setpoint and an input reading from a sensor.

DDC

Direct Digital Control.

Dl

Digital Input. Physical output point that accepts a two-state signal (that is, ON/OFF, OPEN/CLOSED, YES/NO, etc.).

Siemens Building Technologies, Inc.

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Contents 125-1957 Rev. CA, July Apogee Unit Vent Controller ⎯Page Service Statement Page Table of Contents Point Database Troubleshooting Table of Contents Manual Organization How To Use This ManualDatamate Software Manual SymbolsNotation Symbol Meaning Manual ConventionsGetting Help Where To Send CommentsStandard Applications Product OverviewIntroduction Ordering NotesAnalog Hardware InputsDigital Analog 0 to Power WiringCommunication Wiring Hardware OutputsTemperature Sensors Controller LED IndicatorsRoom Temperature Sensor Valve Actuators Mixed Air/Discharge Air Temperature SensorActuators Damper ActuatorsBasic Operation Control Temperature SetpointsDay/Night Mode ApplicationsHeating and Cooling Switchover Valve ConfigurationControl Loops Fan Operation Morning Warm-up/Cool-downON/OFF Coil Valve Control Electric HeatBasic Operation Application 2281 Control Drawing Application 2281 Control Drawing Application 2281 Control Drawing Application 2283 Control Drawing Application 2283 Control Drawing Application 2283 Control Drawing Application 2284 Control Drawing Application 2284 Heating and DX Cooling, Ashrae Cycles IApplication 2284 Heating and DX Cooling, Ashrae Cycles I Application 2286 Control Drawing Application 2286 Heating and DX Cooling, Ashrae CycleApplication 2286 Heating and DX Cooling, Ashrae Cycle Overview Application 2287 Heating and Cooling Nesbitt Cycle WApplication 2287 Heating and Cooling Nesbitt Cycle W Application 2299 Slave Mode Descriptor Address Application Description Point DatabaseRM Stpt Dial Wall SwitchRM Stpt MIN RM Stpt MAXFree CLG Ovrd TimeNGT Ovrd AUX.NOAUXAOV2 Start AOV1SPANAOV1START AOV2 SpanFAN NGT CLG ModeEheat Ehea TCLG D Gain CLG OutputOA Dmpr POS CLG P GainOA Loopout Switch LimitSwitch Time MA LoopoutMorn Dband Switch DbandError Status NGT DbandBasic Service Information TroubleshootingOverview Controller LEDs Ordering Replacement PartsPreventive Maintenance Safety FeaturesControl loop GlossaryAlgorithm Centralized controlIntercept English unitsEquipment controller Field panelSl units Override switchSlave mode On textUnbundle FLN IndexBST LED DDCTX LED RTS

125-1957 specifications

Siemens 125-1957, a notable creation of the German engineering giant Siemens, is recognized for its innovative design and advanced technology in the realm of electrical engineering. This model is emblematic of the mid-20th century's commitment to optimizing electrical machinery for industrial applications, contributing to enhanced productivity and efficiency.

One of the main features of the Siemens 125-1957 is its robust construction, designed to withstand the demanding environments of industrial settings. The body of the machine is built from high-grade materials, ensuring durability and longevity. It is also designed to minimize vibration and noise during operation, thus enhancing the user experience.

Technologically, the Siemens 125-1957 incorporates advanced electric motor technology, which provides reliable performance across a variety of applications. The motor is designed for high efficiency, allowing it to operate effectively under load while consuming less energy. This efficiency is crucial in industrial applications where operational costs are significant. The motor is also equipped with thermally protected windings, which prevent overheating and extend the service life of the equipment.

The 125-1957 model is characterized by its adaptability in various operational settings. It is compatible with a range of automation systems, making it a versatile choice for factories and production lines. Its design allows for easy integration with existing equipment, minimizing downtime during installation.

Moreover, the Siemens 125-1957 boasts a user-friendly interface, making it accessible for operators with varying levels of expertise. It comes with comprehensive safety features, including circuit protection and emergency stops, ensuring that it meets the strict industrial safety standards.

In summary, the Siemens 125-1957 represents a blend of robust design, advanced motor technology, and user-oriented features. With its energy-efficient performance and adaptability, it stands out as a key asset in industrial electrical engineering, demonstrating Siemens' commitment to innovation and quality in the manufacturing sector. This model continues to be relevant, supporting various industries in their pursuit of efficiency and reliability.
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