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What does Flow Limit mean on Siemens Measuring Instruments?
If your Siemens Measuring Instruments display a 'Flow Limit' alarm, it indicates a water network failure, such as a pipe burst. The alarm will remain active until the flow rate drops below the flow alarm limit.
What causes Reverse Flow Limit on Siemens Measuring Instruments?
If Siemens Measuring Instruments displays 'Reverse Flow Limit', it indicates a water network failure where the non-return valve is broken. The alarm remains active until the reverse flow rate drops below the reverse flow alarm limit.
Why is the flow direction wrong on my Siemens Measuring Instruments?
If the flow rate appears correct, but the sign (flow direction) is wrong on your Siemens Measuring Instruments, first verify that the upstream sensor is connected to the upstream F-connector on the frontend (labeled A). Also, check the flow direction parameter in Setup > Sensor > Flow direction; it might be set to "negative" flow.
Why does Siemens Measuring Instruments display active flow with large sound velocity error?
If your Siemens Measuring Instruments display shows active flow with a large sound velocity error but no alarm codes, it might be due to incorrectly installed sensors or incorrect setup parameterization. Verify the pipe dimensions, sensor selection, mounting configuration, and spacing. Also, if the entered expected sound velocity is far from the actual fluid sound velocity, optimal performance won't be achieved. If possible, perform the sensor setup wizard again using the initially measured sound velocity for the expected sound velocity.
What to do if Siemens Measuring Instruments display shows no flow and measured sound velocity is 0 m/s with alarm codes 14, 15 and 34?
If your Siemens Measuring Instruments display shows no flow and the measured sound velocity is 0 m/s, and you're seeing alarm codes 14, 15, and 34, there could be several reasons. First, ensure the pipe is completely filled with liquid and consider relocating sensors to a normally full section, avoiding the top or bottom of horizontal pipes. Check the sensor cables for breaks or incorrect connections, verifying continuity by evaluating the DC resistance. Also, verify the pipe dimensions, sensor selection, mounting, and spacing, ensuring ultrasonic couplant is applied. Finally, the sensors or frontend hardware might be damaged; verify their operation using a pipe simulator 'Test block'.
What to do if Siemens Measuring Instruments display is completely blank, but communication is still possible?
If the display on your Siemens Measuring Instruments is completely blank, but communication is still possible on the service channel, check the cable connections between the display and Transmitter module. The HMI module may also be defective, in which case you should contact Technical Support.
What to do if Siemens Measuring Instruments display shows no flow and measured sound velocity is 0 m/s with alarm code 34?
If your Siemens Measuring Instruments display shows no flow and the measured sound velocity is 0 m/s, accompanied by alarm code 34, it could be due to incorrectly installed sensors or incorrect setup parameterization. Verify the actual pipe dimensions against the entered values, and check the sensor selection, mounting configuration, and spacing. Also, an incorrect expected fluid sound velocity can cause issues, so verify that the entered expected sound velocity is correct for the application. The pipe might also be mostly empty, causing the meter to operate on pipe noise; ensure the pipe is completely filled with liquid or relocate sensors to a section that is normally full, avoiding installation on the top or bottom of horizontal pipes.
What to do if Siemens Measuring Instruments display is completely blank and communication with service channel is not possible?
If the display on your Siemens Measuring Instruments is completely blank and communication with the service channel is not possible, check the mains power connection. Verify that the PSU and transmitter modules are fully plugged into the backplane.
What to do if the keypad is not responsive on Siemens Measuring Instruments?
If the keypad on your Siemens Measuring Instruments is not responsive, check the tightness of the lid screws. Cycle the power and allow several seconds for auto recalibration of the keypad.
Why are the datalogger and backup not working on my Siemens Measuring Instruments?
If the datalogger and backup are not working on your Siemens Measuring Instruments, and the error indicates a failed chkdsk, the SD card may have failed. Remove and try to repair the SD card in a PC. Replace the SD card if repair is unsuccessful. If the SD card is not installed, insert it and verify that the SensorFlash is recognized as being installed in menu 3.7.2.
General| Measurement Principle | Coriolis, Electromagnetic, Ultrasonic |
|---|---|
| Communication Protocols | HART, PROFIBUS, Foundation Fieldbus, Modbus |
| Pressure Range | Varies by model (e.g., up to 400 bar for some models) |
| Power Supply | 24 V DC or 110-230 V AC |
| Protection Class | IP67, IP68 |
| Housing Material | Stainless steel, aluminum |
| Liner Material | PTFE, PFA, rubber |
| Electrode Material | Stainless steel, Hastelloy, platinum |
Explains the scope and target audience of the operating instructions.
Details the changes made in previous editions of the documentation.
Lists compatible versions of device integration packages for different manual editions.
Describes the contents of the user documentation package for the product.
Lists the components delivered with the device.
Provides guidance on industrial security functions and cyber threat protection.
Details requirements for proper transport and storage to ensure device protection.
States that manual content does not modify warranty conditions and reserves the right to technical changes.
Outlines essential conditions and precautions for maintaining safe operation.
Lists safety rules and laws applicable during connection, assembly, and operation.
Describes the transmitter's modular design, components, and availability.
Highlights key features such as Modbus connectivity, local display, and housing options.
Lists various industries and applications where the flowmeter can be used.
Provides information on general purpose and hazardous area approvals.
Details the device's support for the Modbus communication protocol.
Specifies requirements for installation location based on enclosure rating and environmental factors.
Provides step-by-step instructions for mounting the transmitter on a wall.
Covers essential safety precautions for connecting the device, including grounding.
Explains how to integrate the device into a Modbus RTU network.
Details the wiring requirements for Modbus RTU RS 485 bus systems.
Highlights safety precautions related to opening the device and general requirements.
Guides through the initial device setup process, including language, date, and time.
Introduces the wizards available for guided device configuration.
Details the steps for the Quick commissioning wizard for essential application parameters.
Guides through the configuration of essential sensor parameters.
Explains the setup of process values and measurement views.
Guides through the setup of inputs and outputs on available channels.
Provides guidance on configuring the communication interface.
Describes how to operate the device using the local HMI interface.
Explains the access level control for parameters via the HMI menu.
Details how to display current process values using various view types.
Explains how to access and operate the totalizer functions.
Describes how to view and manage active alarms.
Highlights safety precautions regarding device repair and explosion protection.
Information on recalibration services offered by Siemens Flow Instruments.
Provides instructions for cleaning the device enclosure.
Details periodic inspection requirements and checks for device integrity.
Specifies the procedure and part number for replacing the on-board battery.
Describes the first step in troubleshooting by observing the HMI display for alarms.
Provides an overview of potential symptoms, diagnostics, causes, and remedies.
Explains how to use a test block for bench testing transmitter, sensors, and cables.
Provides inspection steps to identify issues when the flowmeter is unable to measure flow.
Details how to verify sensor diagnostic parameters and view receiver signals.
Lists alarms, system messages, and their corresponding causes and corrective actions.
Provides specifications for supply voltage, power consumption, and environmental conditions.
Details Modbus communication parameters such as protocol version and transmission rate.
Specifies technical data for digital and current inputs on channels 3 and 4.
Provides technical data for current and digital outputs on various channels.
Details the device design, materials, ingress protection, and mechanical load specifications.
Specifies ambient temperature, climate class, altitude, and EMC performance.
Lists ATEX, IECEx, and FM approvals for the device.
Provides mechanical dimensions for the wall mount housing transmitter.
Explains how devices are mapped to the Modbus address space for read/write access.
Details general Modbus communication settings like baud rate and parity.
Describes the configurable coil definitions for Modbus communication.
Explains the possibility to remap parameters to chosen Modbus registers.
Details how to adjust the byte order for integer values in Modbus messages.
Details how to adjust the byte order for floating-point values in Modbus messages.
Lists general Modbus function codes and their descriptions.
Manages Modbus master access to device parameters based on PIN information.
Provides a comprehensive list of Modbus RTU holding registers for SITRANS FS430.
Lists Modbus registers for process values for standard applications.
Details Modbus registers for totalizer settings.
Describes Modbus units settings for values and quantities communicated via Modbus.
Provides general sensor settings for clamp-on applications.
Specifies settings related to pipe dimensions and material for clamp-on sensors.
Details parameters for compensating upstream and downstream pipe geometry.
Lists characteristics of process media such as sound velocity and temperature.
Provides recommended sensor spacing methods and distances for clamp-on sensors.
Details settings specific to path 1, including sensor frequency and path geometry.
Explains user calibration parameters like slope correction factor and path offsets.
Provides commands to start automatic factory or user zero offset adjustments.
Details settings for multipoint calibration, including function and protection.
Information on where to find device certificates online and on the documentation disk.
Contact information and resources for technical assistance.
Overview of SIMATIC PDM software for commissioning and maintenance.
Lists functionalities of SIMATIC PDM for monitoring, adjusting, and simulating device data.
Specifies compatible SIMATIC PDM versions for the device's EDD.
Outlines the steps for ensuring proper connection of SIMATIC PDM.
Guides on integrating Electronic Device Descriptions (EDD) into SIMATIC PDM.
Details the process of adding a device to the SIMATIC Modbus network within PDM.
Steps for configuring a new device, including EDD check and parameter upload.
Describes the Quick Start Wizard for easy multistep device configuration.
Guides through the necessary steps to install sensors for clamp-on configuration.
Explains performing the Zero Point Adjustment wizard to remove residual zero offset.
Details how to adjust parameter values using SIMATIC PDM's online menus.
Lists parameters accessible through Device, View, or Diagnostics drop-down menus.
Describes how to view process values, totalizers, and loop current in real time.
Explains how to monitor the trend of process values using the Trend view.
