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Skype Network Administrator’s Guide Skype 3.0 Beta 24
2006-10-31 Document version 2.0 Beta
Passwords
As discussed earlier, Skype Technologies S.A., never, under any circumstances, requests a
user’s Skype account name or password by e-mail.
Skype passwords are stored as one-way encrypted hash and should remain completely
secret.
Currently, the only places Skype requires a password are for:
Logging into the Skype client itself,
Managing users’ Skype account on the web at
https://secure.skype.com/store/member/login.html,
Logging into other know-to-be-valid Skype accounts such as
https://developer.skype.com or https://skypecasts.skype.com.
If a user wants to create a new password, he or she can go to the account page on the Skype
Web site as long as an e-mail address was provided during registration and that address is
still valid.
Important: Skype maintains two references to each user’s email address, one is in the
profile on the Skype user’s computer. The other is stored in “My Account” on the Skype
website for password recovery. As a result, if the email address changes, it should be
updated in both the user’s Skype client profile and the Skype website.
Adware and Spyware
Neither the Skype client nor the Skype installation program include any adware or
spyware.
However, it is possible to find seemingly legitimate installers on the Internet that, without
appropriate permission, have bundled the Skype client improperly with third-party
software which very well might include adware or spyware.
Therefore, we strongly recommend that you get the most current version of Skype by
downloading it from the Skype Web site at www.skype.com/download.
In addition, Skype software installers for Microsoft Windows XP, Windows 2000, and
Windows Pocket PC 2003, as well as the Skype application itself, are digitally signed.
This enables you to verify the Skype software installer’s digital signature before you install
the Skype client on any of your systems, which prevents you from accidentally installing
any spyware or malware when you install Skype on your network.
In addition, although technically you can perform the digital signature verification test on
the Skype client after the installer has been run, we recommend that you verify the
authenticity of Skype installer before you install the Skype client.
For a detailed explanation of how to perform the digital signature verification test, refer
“Deploying Skype In the Enterprise” later in this document.
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Rockwell Automation 1756-L7x GuardLogix 5570 Controllers manuales

Manuales del propietario y guías del usuario para Equipo Rockwell Automation 1756-L7x GuardLogix 5570 Controllers.
Ofrecemos 1 manuales en pdf Rockwell Automation 1756-L7x GuardLogix 5570 Controllers para descargar gratis por tipos de documentos: Manual de usuario


Tabla de contenidos

GuardLogix 5570 Controllers

1

Important User Information

2

Table of Contents

3

Chapter 6

5

Develop Safety Applications

5

Chapter 7

5

Go Online with the Controller

5

About GuardLogix

7

Controllers

7

Studio 5000 Environment

8

Understanding Terminology

9

Additional Resources

10

System Overview

11

Distinguishing between

12

Standard and Safety

12

Components

12

Controller Data Flow

13

Capabilities

13

Selecting System Hardware

14

Selecting Safety I/O Modules

15

Table 7 - Software Versions

16

Table 8 - Supported Features

17

Chapter 1 System Overview

18

Install the Controller

19

Insert or Remove a Memory

24

Remove the SD Card

25

Install the SD Card

26

Figure 3 - USB Connection

27

Update the Controller

29

Choose the Operating Mode

31

OKFORCE SDRUN

32

Uninstall an Energy Storage

33

Module (ESM)

33

Install an Energy Storage

34

Logix 55xx

35

Configure the Controller

37

Set Passwords for Safety

39

Protecting the Safety Task

40

Signature in Run Mode

40

Configure a Peer Safety

42

Controller

42

Communicate over Networks

43

Manual Safety Network Number

44

Automatic Assignment

45

Manual Assignment

45

Automatic versus Manual

45

EtherNet/IP Communication

49

ControlNet Communication

53

DeviceNet Communication

55

Serial Communication

57

CIP Safety I/O

59

Configure CIP Safety I/O

60

Timeout Multiplier

64

Network Delay Multiplier

64

Understanding the

65

Configuration Signature

65

Reset Safety I/O Module

66

Ownership

66

Addressing Safety I/O Data

66

Monitor Safety I/O Module

67

Application

69

Resetting a Module to Out

69

Replacing a Module by Using

69

Table 23 - Replacing a Module

70

Replacing a POINT Guard I/O

76

Module by Using RSNetWorx

76

The Safety Task

80

Safety Programs

81

Safety Routines

82

Safety Tags

82

Tag Type

83

Data Type

84

Controller-scoped Tags

85

Program-scoped Tags

85

Produced/Consumed Safety

86

Produce a Safety Tag

89

Consume Safety Tag Data

90

Safety Tag Mapping

92

Restrictions

93

Create Tag Mapping Pairs

93

Monitor Tag Mapping Status

94

Safety Application

95

Protection

95

Figure 26 - Safety Tab

97

Programming Restrictions

98

Scanner and Your Computer

100

Understanding the Factors

101

On Upload

102

On Download

102

Download

103

Go Online

106

Using Memory Cards for

109

Nonvolatile Memory

109

Chapter 8

109

Storing a Safety Project

110

Loading a Safety Project

111

Use Energy Storage Modules

111

Logix557x

112

Estimate the ESM Support of

113

Manage Firmware with

113

Firmware Supervisor

113

Chapter 9

115

Monitoring Connections

116

Monitoring Status Flags

117

Monitoring Safety Status

118

Controller Faults

118

Viewing Faults

120

Fault Codes

120

Developing a Fault Routine

121

Use GSV/SSV Instructions

122

Access FaultRecord Attributes

123

Capture Fault Information

124

Status Indicators

125

Controller Status Display

126

Fault Messages

128

I/O Fault Codes

129

Table 49 - I/O Fault Messages

130

I/O Fault Messages Continued

131

Appendix A Status Indicators

132

Change Controller Type

133

Changing from a Safety to a

134

Standard Controller

134

Changing Safety Controller

134

Numerics

137

Rockwell Automation Support

144

Documentation Feedback

144





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