Siemens SIMATIC S7-300 FM 350-1 User Manual

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Counter module FM 350-
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SIMATIC
S7-300
FM 350-1 Counter module
Manual
05/2011
A5E03648639-01
Preface
Product Overview
1
Installing and removing
FM 350-1
2
Wiring the FM 350-1
3
Programming FM 350-1
4
Programming the FM 350-1
5
Commissioning FM 350-1
6
Operating Modes,
parameters and commands
7
Encoder signals and their
evaluation
8
DB assignments
9
Errors and diagnostics
10
Technical data
11
Replacement parts
12
References
13

Siemens SIMATIC S7-300 FM 350-1 Specifications

General

Number of Counters	1
Input Voltage	24 V DC
Relative Humidity	5 to 95 % (no condensation)
Protection Class	IP20
Power Supply	Via backplane bus
Power Consumption	Typically 2.5 W
Operating Temperature	0 to 60 °C

Summary

Installing and Removing FM 350-1

Module Installation Steps

Wiring the FM 350-1

Front Connector Pin Assignments

Details the terminal assignments for all connections on the 20-pin front connector.

Front Connector Wiring Guidelines

Programming the FM 350-1

Parameterization Interface Installation

Parameterization Interface Usage

User Program Data Exchange

Explains how the CPU communicates with the FM 350-1 using FCs or load/transfer commands.

FC CNT_CTL1 Functionality

Details the functionality, requirements, and parameters of the FC for controlling the FM 350-1.

FC CNT_CTL2 Functionality

Explains the usage and principles of FC CNT_CTL2, especially for isochronous mode.

FC DIAG_INF Functionality

Programming without Function Blocks

Covers direct operation and monitoring via control and check-back interfaces.

Commissioning FM 350-1

Parameter Assignment Procedure

Guides through parameter assignment for count modes and measuring modes in HW Config.

Operating Modes, Parameters, and Commands

Isochronous Mode Operation

Count Modes Overview

Presents the different counting modes available and their descriptions.

Digital Output Behavior

Describes how digital outputs DO0 and DO1 behave based on comparison values and parameterization.

Command: Setting the Counter

Measuring Modes

Frequency Measurement Mode

Explains how the module counts pulses within a dynamic time to measure frequency.

Speed Measurement Mode

Details how the module measures RPM by counting pulses and calculating speed.

Period Measurement Mode

Explains how the module indicates dynamic measuring time as a period.

Command: Gate Control

Triggering of a Hardware Interrupt

Hardware Interrupt Trigger Events

Lists various events that can trigger a hardware interrupt.

Diagnostics Data Records

Errors and Diagnostics

Group Error LED Fault Display

Diagnostics Interrupt Triggering

Details events that trigger diagnostics interrupts and how OB 82 is used.

Data Error Handling

Operator Error Handling