Siemens SIMATIC PG 720 PII User manual
Preface, Contents
Product Overview 1
Unpacking and Setting Up
the PG 720 2
Getting to Know the PG 720 3
Installing and Operating the
PG 720 4
PG 720 Expansions 5
Configuring the PG 720 6
Error Diagnostics 7
Hardware Information 8
Appendices
ESD Guidelines A
Glossary, Index
11/99
C79000-G7076-C756
Edition 02
PG 720 PII
Programming Device
Manual
SIMATIC
ii
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Siemens Aktiengesellschaft C79000-G7076-C756
Safety Guidelines
Qualified Personnel
Correct Usage
Trademarks
iii
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Preface
This manual contains all the information you need for working with the
PG 720PII programming device. You can use this information to do the
following:
Unpack the programming device and power it up.
Familiarize yourself with the functions and settings of the various
components (display, keyboard, programming facilities, etc.).
Connect the programming device to other units of equipment
(programmable logic controllers, other programming devices).
Expand your system, provided you comply with the necessary
conditions.
Analyze and eliminate simple problems.
The following persons require the manual:
Users commissioning the programming device themselves or
working with it (editing, debugging).
System administrators operating the programming device in a
network.
Service and maintenance personnel using the PG 720PII for system
expansion purposes or error/fault analysis.
This manual describes the version of the PG 720PII as available in
April 1999. The Product Information Bulletin supplied with the
PG 720PII contains the latest technical specifications for your
programming device.
The approvals, certificates, and licenses for your device are supplied
along with the Product Information Bulletin.
Within this publication the product name PG 720PII is given
abbreviated to PG 720 or PG.
Along with your PG 720, you also receive the following documents
which you require for commissioning the device:
The Product Information Bulletin with the valid technical
specifications and the PG 720 installed Software.
For more detailed information about handling the software, please refer
to the appropriate manuals (for example, the STEP 5 manual).
Purpose of the
Manual
Audience
Where is this
Manual Valid?
Licenses
Product name
PG 720PII
Where to Find
Information
iv PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Chapters 1 to 4 of the manual contain the most important instructions
for commissioning and using the PG 720. Chapters 5 to 8 are
reference sections required in special situations.
Setting up and getting to know your device
Before you start to use your programming device, you should read
about setting up the device in Chapter 2 and about the components
and functions of the PG 720 in Chapter 3.
Installation
Chapter 4 describes the basic steps necessary for commissioning the
PG 720. This chapter also contains instructions for working with
submodules and memory cards for programmable logic controllers and
additional interfaces.
Expansion
Chapter 5 describes how to expand your PG 720 (for example,
installation of memory expansions). Please observe the safety
instructions in this section.
Configuration
Modifications made to the system hardware may make it necessary for
you to adapt the original hardware configuration. This is described in
Chapter 6.
Error/fault diagnostics
Chapter 7 explains how to deal with simple faults and problems that
you can diagnose and, in some cases, eliminate yourself.
Reference data
Chapter 8 contains information about hardware addresses, interrupt
assignments, and connecting cables.
ESD guidelines
The guidelines on the handling of electrostatically sensitive devices are
particularly important for service and maintenance technicians who are
installing expansion units or carrying out error analysis with the
PG 720.
Glossary
The glossary defines and explains important terms.
Alphabetical index
The alphabetical index will help you to find passages in the text relating
to important terms and keywords quickly and reliably.
If you have any questions concerning subjects not covered in the
manual, simply get in touch with the Siemens representative in your
area or call the SIMATIC Hotline. The addresses are listed in your
Product Information Bulletin.
If you have any questions about the manual itself or would like to make
or suggestions, please complete the reply card at the end of the
manual. We would also appreciate it if you would include your own
opinion and appraisal of the manual on the reply card.
Structure of the
Manual
Additional
Assistance
Preface
v
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Contents
Preface iii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Product Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Unpacking and Setting Up the PG 720 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Setting Up the PG 720 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Moving the Programming Device 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Getting to Know the PG 720 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Hardware Components of the PG 720 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Display 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Keyboard 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Trackball 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5 Drives 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.6 CD-ROM Drive 3-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7 External Power Unit and Battery 3-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8 Sound 3-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Installing and Operating the PG 720 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Connecting the PG 720 to the Power Supply 4-2. . . . . . . . . . . . . . . . . . . . . . . .
4.2 Battery Mode 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Connecting I/O Devices 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 Working with SIMATIC S5 Memory Submodules 4-12. . . . . . . . . . . . . . . . . . . . .
4.5 Working with SIMATIC Memory Cards 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 Working with PC Cards 4-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.7 Connecting the PG 720 to other SIMATIC S5 Units 4-17. . . . . . . . . . . . . . . . . .
4.8 Connecting the PG 720 to a SIMATIC S7 Network (MPI/DP) 4-21. . . . . . . . . .
4.9 Networking the PG 720 with Other Stations on PROFIBUS 4-23. . . . . . . . . . .
4.10 Networking the PG 720 and Other Computers on Industrial Ethernet 4-24. . .
4.11 Connection under Windows 4-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vi PG720 PII Programming Device
C79000-G7076-C756-02
5PG 720 Expansions 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Openingthe Unit 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Components Visible After Opening the Unit 5-4. . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Block Diagram of the Motherboard 5-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4 Switch Settings / Jumpers 5-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5 Installing Memory Expansion Submodules 5-8. . . . . . . . . . . . . . . . . . . . . . . . . .
5.6 Processor Upgrade 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.7 Replacingthe Backup Battery 5-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.8 Closingthe Unit 5-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6Configuring the PG 720 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 Changingthe Device Configuration with SETUP 6-2. . . . . . . . . . . . . . . . . . . . .
6.1.1 The Main Menu 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.2 The Advanced Menu 6-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.3 The Security Menu 6-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.4 The Power Menu 6-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.5 The Boot Sequence Menu 6-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.6 The Version Menu 6-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1.7 The Exit Menu 6-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Configuringthe PC Card Interface 6-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Error Diagnostics 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1 Programming Device Self-Test Prior to Booting 7-4. . . . . . . . . . . . . . . . . . . . .
8Hardware Information 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1 HardwareAddress Table 8-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Interrupt Assignments 8-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3 PG 720 Video Modes 8-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4 Connector Pinouts 8-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.5 ConnectingCables 8-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGuidelines for Handling Electrostatically-Sensitive Devices (ESD) A-1. . . . . . . . .
A.1 What is ESD? A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.2 Electrostatic Charging of Persons A-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.3 General Protective Measures Against Electrostatic Discharge Damage A-4.
Glossary Glossary-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index Index-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents
1-1
PG720 PII Programming Device
C79000-G7076-C756-02
Product Overview
The PG 720 programming device is a self-contained unit designed
specifically for an automation environment. Its performance, ergonomic
design,andequipmentmakeitaunitparticularlysuitableformaintenance
and service as well as for programming, configuring, debugging, and
installing SIMATIC programmable logic control systems.
SIEMENS
YoucanusethePG720programmingdevicetoprogramSIMATICS5and
SIMATIC S7 programmable logic controllers. It is equipped with the
following:
Interface ports for connection to programmable logic controllers.
Programming facilities for S5 memory submodules and S5/S7
memory cards.
The PG 720 is supplied with system and automation software. The
software components are listed in the Product Information leaflet.
Application
The PG’s Hardware
and Software
1
1-2 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Compared with a PC with standard hardware and software, the
PG 720 programming device of the SIMATIC family has numerous
advantages:
You can develop, debug, and document user programs for
SIMATIC S5 and SIMATIC S7 programmable logic controllers with
the PG 720 without the need for additional hardware or software.
The rugged design and practical functions of the PG 720 make it
particularly suitable for use on-site under tough industrial conditions.
It is extremely light and easy to transport. The PG 720 meets the
specific requirements of industrial environments such as noise
immunity, compliance with the relevant standards, ruggedness,
simple transportation, and commissioning.
The PG 720 is equipped with a battery allowing it to be operated
without a mains connection.
The PG 720 can be set up and operated in a large number of
different ways and positions, and can therefore be used practically
anywhere it is needed.
The PG 720 has all the integral ports necessary for connecting it to
SIMATIC automation devices:
– Programming interface for SIMATIC S5 memory submodules.
– Programming interface for SIMATIC S5 and SIMATIC S7
memory cards in credit card format.
– Communication interfaces for connection to S5 and S7
programmable logic controllers.
The PG 720 is supplied with all the necessary system and
automation software already installed on the hard disk.
Since Windows 98 is also already installed, you can, of course, also
use the PG 720 as a stand-alone workstation, and run all the
standard software available on the market that requires MS-DOS or
Windows.
In terms of performance and expansion capability, your
programming device meets all the normal requirements of a PC.
This means that the PG 720 can also be used as a fully-fledged
personal computer.
Advantages of the
PG 720
Product Overview
2-1
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Unpacking and Setting Up the PG 720
This chapter contains important information about unpacking, setting
up, and transporting the PG 720, such as:
Opening and closing the keyboard
Changing the angle of inclination of the device
Using the extra pull-out support
How to move the unit.
Section Contents Page
2.1 Setting Up the PG 720 2-2
2.2 Moving the Programming Device 2-6
What Does This
Chapter Contain?
Chapter
Overview
2
2-2 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
2.1 Setting Up the PG 720
Unpack your PG 720 as follows:
1. Remove the packing.
2. Do not throw the original packing away. Keep it in case you have to
ship or transport the unit again at some time in the future.
3. Check the packing list to make sure that no components are
missing.
!Caution
Risk of damage!
Moisture inside the unit can cause serious damage.
When transporting the unit in cold weather, when it may be submitted
to extreme variations in temperature, make sure that the unit is
allowed to reach room temperature slowly before you switch it on.
If condensation has formed, this must be allowed to evaporate before
you switch on. If, for example, the unit is subjected to a temperature
change from –20°C to +20°(–4°F to +68°F) you should wait
approximately 12 hours before switching on the unit.
The PG 720 is used primarily on a desk or table top. To ensure a
comfortable working position, the PG 720 can be adapted as follows to
suit the work place:
1. Place the PG 720 on the desk or table top.
2. Open the keyboard lock by pulling up the gray handle.
3. Lower the keyboard into position.
Handle
Figure 2-1 The Programming Device before Opening
Unpacking Your
PG 720
Setting Up on a
Desk Top
Unpackin
g
and Settin
g
Up the PG 720
2-3
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
With the keyboard open, you can incline the PG 720 to any angle
between 0°and 90°. To adjust the angle, proceed as follows:
1. Lower the keyboard into position.
2. Pull the support (Figure 2-4) out of the rear of the stand and, if
necessary, pull out the extra support hoop.
3. Incline the unit to an angle that will allow you to work comfortably.
Stand
Keyboard opened
Pivot
Figure 2-2 Changing the Angle of Inclination
Note
When you change the angle of inclination, make sure that the
keyboard cable is not trapped between the device and the stand.
!Caution
Risk of injury!
There is a danger of the unit tipping over if it is set up at an angle of
inclination of more than 15°without using the pull-out support. This
could lead to personal injury and also damage to the unit.
If the angle of inclination is greater than 15°, you must use the pull-out
support and, if necessary, the extra support hoop in the stand.
Changing the
Angle of
Inclination
Unpackin
g
and Settin
g
Up the PG 720
2-4 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
In certain situations, it is helpful to remove the keyboard.
Press in the catches in the
middleofthe hinges
Figure 2-3 Detaching the Keyboard
!Caution
Risk of tipping!
If the keyboard is detached, there is a risk of the unit tipping over.
Before removing the keyboard, make sure that you pull out the support
from the device stand (Figure 2-4) and pull out the additional hoop.
You detach the keyboard as follows:
1. Grip the keyboard hinges in the stand behind the keyboard.
2. Pull the locks in the middle of the hinge assembly towards the
keyboard.
3. Pull the keyboard up and out.
4. Place the keyboard on a suitable surface, using the hinge assembly
as a stand.
You attach the keyboard again as follows:
1. Place the keyboard cable in the cable conduit in the stand.
2. Snap the keyboard hinges into the receptacles in the stand.
Note
When attaching the keyboard, make sure that the cable is lying correctly
in the cable conduit and is fixed in position.
Detaching the
Keyboard
Detaching
Refitting
Unpackin
g
and Settin
g
Up the PG 720
2-5
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
When the keyboard is attached to the unit, its angle of inclination is 6°,
the height of the middle row of keys is 30 mm (about 1 inch). When it is
detached, the angle of inclination is 4.5°, and the height of the middle
row of keys is 27 mm. This is an ideal ergonomic design to allow a
comfortable working position.
If no table or desk is available, the unit can be operated on the floor.
You can adjust the casing and display through approximately 90ointo
the horizontal plane.
CD-ROMdrive
Stand
Pivot
Support Extrasupporthoop
Figure 2-4 Horizontal Operating Position Without Keyboard
Keyboard Angle
Horizontal
Position
Adjustment
Unpackin
g
and Settin
g
Up the PG 720
2-6 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
2.2 Moving the Programming Device
The PG 720 is easy to carry. Before carrying it, however, you should
take the following measures:
1. Shut down the operating system. To prevent data loss, you must
exit Windows 98 completely. Windows 98 issues a message to
inform you when it is safe to switch off the device.
2. Unplug all the connecting cables.
3. Close the covers protecting the ports and connections on the
right-hand and left-hand side panels.
4. Bring the unit into an upright position.
5. Raise the keyboard and lock it by pressing it against the front panel
of the unit. The latches on the right and left snap in. Make sure that
both catches are properly locked.
6. If you only want to carry the unit for a short distance, use the
handle.
7. If you want to move the PG 720 over larger distances, pack the unit
and all its accessories in the carrying bag supplied.
Figure 2-5 PG 720 Ready for Transport
Despite the rugged design of the PG 720, its internal components are
sensitive to severe vibration or jolts. When moving the PG 720, you
must therefore make sure that it is protected from severe mechanical
forces.
Use the original packing material if you have to ship the PG 720 from
one location to another.
Preparations
Carrying the
PG 720
Unpackin
g
and Settin
g
Up the PG 720
3-1
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Getting to Know the PG 720
This chapter contains all the information you require about the most
important components of the device, such as:
LED displays
Drives
Keyboard
Programming facilities of the PG 720
External power unit and battery.
Section Contents Page
3.1 Hardware Components of the PG 720 3-2
3.2 Display 3-8
3.3 Keyboard 3-9
3.4 Trackball 3-14
3.5 Drives 3-16
3.6 CD-ROM Drive 3-18
3.7 External Power Unit and Battery 3-19
3.8 Sound 3-20
What Does This
Chapter Contain?
Chapter
Overview
3
3-2 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
3.1 Hardware Components of the PG 720
You can access all of the important operator controls and displays from
the front, base, or sides of the unit. Figure 3-1 shows the front of the
PG 720.
Akku
Power
Accessing external storage
medium
Submoduleprogramming
active
MPI/DPport active
6Keyboard
7Cover flap for COM1/COM2 port,
MPI/DPport,mouseport,and LPT1/printer
port 1)
8Trackball
9Catchesfor locking keyboard
10 Pivot
11 Protectorstrip
12 CD-ROM drive 2)
14 Speaker
2
5
1
4
8
10
11
9
13
Detail
LEDs
See Table 3-1 for more information on
the Akku and Power LEDs.
13
Detail
1On/Off switch
2Carryinghandle
3LCdisplay
4Cover flap for module ports, memory card
ports, PCMCIA ports, and floppy disk drive 1)
5Stand
12
1) The cover flaps are used to protect the ports from dust,
and can be removed and replaced as required.
2) Can be accessed from the base when the device is turned
upside down.
3) Press this button for 1 second in order to switch on the
programming device. A hard reset (override) is performed if
you hold down the button longer than 7 seconds.
4) External storage media: hard disk drive, floppy disk drive,
CD-ROM drive.
6
7
14
93
14
Figure 3-1 The Front of the PG 720
Front
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3-3
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Table 3-1 The LEDs and What They Mean
Label LED Meaning
grn Device is in mains supply mode; external power
unit is supplying power
or Device is in mains supply mode; battery is re-
charging
Akku rd Device is in battery mode; battery charge level
low
blk Device is in battery mode; battery has shut down
or no battery installed
Power grn
grn
flashing
Device is on, battery mode is selected and bat-
tery is not down
Device status is “save to DRAM”
blk Device is off or battery has shut down in battery
mode (battery down)
grn Accessing external storage medium (hard disk,
CD-ROM, floppy disk)
grn Submodule programming is in progress
MPI/DP grn MPI port is active
Table 3-2 The Mode LEDs
Power Akku
blk grn a.c. mains supply, battery charged or not installed
blk or a.c. mains supply, battery is recharging
blk blk Device is off or battery is down in battery mode
grn blk Device is on, battery mode
grn grn Device is on, a.c. mains supply
grn or Device is on, a.c. mains supply and battery is recharging
grn rd Device is on, battery charge level is low and battery mode
is selected
grn = green
rd = red
or = orange
blk = black, dark
Note
Recharging stops when the battery is fully charged or if, for example,
the temperature overshoots the maximum permissible limit for
recharging. You can check the battery charge level in Windows 98.
The LEDs and
What They Mean
The Mode LEDs
of the PG 720
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3-4 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
Note
Press the On/Off button for approximately one second to switch on the
device. The device switches off automatically if it is powered down in
Windows. If it is not in Windows, switch off the device by pressing the
On/Off button.
If you work under Windows 98, always use the Shut Down menu in the
Start pop-up to switch off the programming device. The PG 720
switches off automatically when you exit Windows.
Holding down the On/Off button for longer than seven seconds triggers
the override function. The device resets and automatically reboots
(useful, for example, if the system freezes).
Gettin
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3-5
PG720 PII ProgrammingDevice
C79000-G7076-C756-02
All the connectors and interface ports for connecting to external
devices are located on the left side panel of the PG 720
(communications side).
LPT1port
USBport
VGA port
Powerswitch
LEDs
PS/2mouse
COM 2 port
COM 1 port
Powersupply
connectorsocket
MPI/DPport
Figure 3-2 Left-Hand Side Panel with Cover Plates Removed
The following table contains an overview of the various interface ports
and connectors on the left-hand side panel:
Table 3-3 Connectors on the Left-Hand Side Panel of the Unit
Ports and Connectors Function
VGA port Connection for external monitor
COM 2
Serial port Connection for serial mouse
RS-232 / mouse
Serial port Connection for serial printer
COM 1
RS-232 /MODEM /PLC
Serial port
Connection for S5 programmable
logic controller
MPI (multipoint interface) Connection for S7 programmable logic
controller
LPT 1 printer Connection for parallel printer
LPT
1
rinter
Parallel port
Connection
for
arallel
rinter
PS/2 mouse Connection for PS/2 mouse
External power supply unit Connection for 17 V DC from external
power supply unit
USB type A serial interface Port for the Universal Serial Bus
Left-Hand Side
Panel
(Communications
Side)
Connectors and
Ports
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3-6 PG720 PII ProgrammingDevice
C79000-G7076-C756-02
You access the slots for programming S5 submodules, S5/S7 memory
cards, the PCMCIA port, and the disk drive from the right-hand side of
the PG 720 (processing side).
S5submoduleport
Ejectorfor PCMCIA
cards
PC cards types I/II/III; slot 1
Ejector for PC
cards
Orientationpoint
PC cards types I/II; slot 2
3.5 in. disk drive
Ejectorfor diskettes
Access LED
Memorycard port
CD-ROMdrive
Figure 3-3 Right-Hand Side Panel (with Port Covers Removed)
The following table contains an overview of the ports and connectors
on the right-hand side panel:
Table 3-4 Connectors on the Right-Hand Side Panel of the Unit
Interface Port Function
PC card type II port ; slot 2 Connection for PC card types I/II
PC card type III port; slot 1 Connection for PC card types I/II/III
S5 submodule port Programming SIMATIC S5 submo-
dules
Memory card port Programming SIMATIC memory
cards
Disk drive Working with 3.5” disks
Note
PC cards is a generic term for Cardbus cards and PCMCIA cards: see
Section 4.6.
Right-Hand Side
Panel (Processing
Side)
Gettin
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