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Siemens POL955 User Manual

Siemens POL955
244 pages
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Control Equipment
Siemens Climatix
Basis Document Climatix Control System

Table of Contents

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Siemens POL955 Specifications

General IconGeneral
Product typeProgrammable Logic Controller (PLC)
Input Voltage24V DC
Protection ClassIP20
Digital Inputs8
Digital Outputs8
Analog Outputs2
Communication InterfacePROFIBUS
Operating Temperature0°C to +55°C

Summary

Philosophy of air handling units

Safety

Outlines critical safety regulations and requirements for installation and operation.

Hardware overview

Basic controller (POL638x)

Details the specifications and connections of the primary control unit.

Functions

Operating mode

Explains how to set and display various operating modes and prioritize them.

Fan control

Covers fan configuration, operating modes, and control strategies.

Temperature control

Outlines temperature control parameters, setpoints, and deviation alarms.

Alarm handling (Alarm outputs)

Details the configuration and management of alarm outputs.

Detail pages: Inputs and outputs

Analog outputs

Details manual operation, reliability, special settings, and priority arrays for analog outputs.

Digital outputs

Covers manual operation, reliability, special settings, and priority arrays for digital outputs.

Analog inputs

Explains present value, reliability, special settings, and priority arrays for analog inputs.

Digital inputs

Covers present value, reliability, special settings, and alarm configurations for digital inputs.

Detail pages: Controller

Loop controller

Details parameters for PID controllers including gain, action times, and service modes.

Cascade controller

Outlines parameters for cascade controllers, including setpoint selection and fault handling.

Communication

Modbus

Covers internal and external Modbus interfaces, commissioning, and parameterization.

BACnet

Explains BACnet/IP module commissioning, parameterization, and settings.

Save / restore parameters

Functions

Explains backing up and loading plant configurations via SD card and controller.

System settings

Password settings

Explains the system's access levels and password protection for various user roles.

Diagnostics

Explains how to access and interpret diagnostic information, cycle times, and software versions.

SD card and modem

SD card functions (Update application)

Details how to use the SD card for downloading applications, configurations, and uploading parameters.

Modem / SMS

Explains the modem interface for remote service, sending alarm SMS, and commissioning the function.

Configuration

Configuration 1

Covers initial plant setup, including extension modules, fire alarms, filter alarms, and TSP functions.

Configuration 2

Details subfunctions for plants, including night cooling, boost, damper control, and fan control settings.

Check config I/Os

Provides a function to check for unassigned or duplicate I/Os and identify unused points.

HMI

Configuration

Guides users through the configuration process, including download and HMI config options.

Configuration 1

Details the general settings for Configuration 1, including extension modules, alarms, and TSP functions.

Configuration I/Os

Maps hardware assignments to functions for temperatures, pressures, flows, humidity, digital inputs/outputs, and alarms.

Alarming

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