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Siemens SICAM User Manual

Siemens SICAM
174 pages
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SICAM
Feeder Condition Monitor
V03.30
Manual
E50417-H8940-C580-A4
Preface
Open Source Software
Table of Contents
Delivery
1
Introduction
2
Hardware Components and Drawings
3
Device Functions
4
Technical Data
5
Type Testing
6
Connection Diagrams
7
Parameterization
A
Modbus Registers
B
Glossary
Index

Table of Contents

Questions and Answers:

Siemens SICAM Specifications

General IconGeneral
Measurement Accuracy±0.1%
Input Current Range0-5A AC/DC
Frequency Range45-65Hz
Communication InterfacesEthernet, RS485
Power Supply24 V DC
Protection ClassIP20

Summary

Hardware Components and Drawings

3.2 Terminal Diagram and Connections

Details terminal assignments and connection methods for wiring.

Device Functions

4.1 Description

Details the various functions and operational aspects of the SICAM FCM.

Fault Detection and Indication

Explains how faults are detected, measured, and indicated by the device.

Fault Management (Reset, Validation, Timers)

Covers fault reset mechanisms, validation, and timer configurations.

Trip Time DMT and IDMT

Details the definite and inverse definite minimum time characteristics for fault clearing.

Ground-Fault Parameter Active Group Setting

Describes the two groups of settings for ground-fault detection parameters.

Determination of Fault Direction

Describes how fault direction is determined using phase angles.

Directional Ground Fault

Details directional ground fault detection for different system types.

Ground-Fault Detection with Cos φ/Sin φ Measurement

Explains ground fault detection using active/reactive current parts.

Pulse-Location Detection Mechanism

Describes detecting faulty feeders using pulse patterns in ground current.

Technical Data

5.1 Device Technical Data

Presents detailed technical specifications of the SICAM FCM device.

Measured Values Accuracy

Details the accuracy classes for measured voltage, current, frequency, and energy.

Measured Ground-Current Accuracy for Isolated/Resonant Connection

Specifies accuracy for ground-current measurements in specific system types.

Type Testing

Connection Diagrams

7.1 Connection Types

Illustrates various connection schemes for fault detection and indication.

7.2 Installing the Device

Provides step-by-step instructions for installing the SICAM FCM device.

7.3 Sensor Connections and Grounding

Details sensor wiring, cable leads, and grounding connections.

7.4 Modbus Connection

Shows how to connect the device via Modbus to RTU, CMIC/A8000, and MCU.

Parameterization

A.1 Parameterization Overview

Describes parameter menus and settings executable via the user interface.

A.2 User Interface Navigation

Details the default menu parameters and navigation through the user interface.

A.3 Editing Device Settings

Provides an example of how to edit and set device parameters via the interface.

Modbus Registers

B.2 Implementation of the Modbus Protocol

Details Modbus function codes, data package formats, and communication settings.

B.4 Holding Registers

Lists and describes the Modbus holding registers for device configuration.

B.5 Input Registers

Lists and describes the Modbus input registers for measured values.

B.6 Analog Input Registers

Details analog input registers for alarms, warnings, and reset times.

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