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Siemens 505-2571 Скачать руководство пользователя страница 23

 

Troubleshooting 

4-1

SIMATIC 505-2571 Program Port Expander Manual

Chapter 4

Troubleshooting

Module Malfunction 4-2

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Communications Signal Problems 4-2

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Module Response Problems 4-3

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Baud Rate Mismatch 4-3

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Hardware Handshaking Error 4-3

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Protocol Problems 4-3

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Содержание 505-2571

Страница 1: ...SIMATIC 505 2571 Program Port Expander User Manual Order Number PPX 505 8131 1 Manual Assembly Number 2806135 0001 Original Edition ...

Страница 2: ...so used for property damage only accidents Copyright 1996 by Siemens Energy Automation Inc All Rights Reserved Printed in USA Reproduction transmission or use of this document or contents is not permitted without express consent of Siemens Energy Automation Inc All rights including rights created by patent grant or registration of a utility model or design are reserved Since Siemens Energy Automat...

Страница 3: ...TIC 505 2571 Program Port Expander User Manual Order Manual Number PPX 505 8131 1 Refer to this history in all correspondence and or discussion about this manual Event Date Description Original Issue 04 96 Original Issue 2806135 0001 ...

Страница 4: ...GES Pages Description Pages Description Cover Copyright Original History Effective Pages Original iii vii Original 1 1 1 5 Original 2 1 2 6 Original 3 1 3 3 Original 4 1 4 4 Original A 1 A 1 Original Registration Original ...

Страница 5: ...3 Inserting the Module into the I O Base 2 4 Connecting Operator Interface Devices 2 4 Powering Up the Module 2 5 Checking PLC Login 2 5 Chapter 3 Module Operation Effect of Controller Scan Time 3 2 Chapter 4 Troubleshooting Module Malfunction 4 2 Communications Signal Problems 4 2 Module Response Problems 4 3 Baud Rate Mismatch 4 3 Hardware Handshaking Error 4 3 Protocol Problems 4 3 Appendix A S...

Страница 6: ...505 2571 Program Port Expander Module 1 2 1 2 Process Monitoring Application Using PCs 1 4 1 3 Attaching a Lap Top PC 1 5 2 1 Location of Baud Rate Switches 2 3 2 2 Connector Pin Out Description 2 4 2 3 Sample I O Configuration Chart 2 5 ...

Страница 7: ...Contents v List of Tables 2 1 Baud Rate Switch Settings 2 3 4 1 Troubleshooting Matrix 4 4 A 1 Physical and Environmental Specifications A 1 ...

Страница 8: ...ume you are familiar with the operation of Series 505 programmable controllers Refer to the appropriate SIMATIC user documentation for specific information on the controllers and I O modules This user manual is organized as follows Chapter 1 provides a description of the module Chapter 2 covers installation and checkout Chapter 3 describes operation of the module Chapter 4 discusses troubleshootin...

Страница 9: ...505 2571 Module Description 1 1 SIMATIC 505 2571 Program Port Expander Manual Chapter 1 PPX 505 2571 Module Description Module Features 1 2 ...

Страница 10: ...s provided on the SIMATIC 545 programmable controller Thus commonly used cables can be used with the PPX 505 2571 The ports may be configured to support baud rates of 1200 2400 9600 and 19 200 All four ports may be used simultaneously with a combined aggregate baud rate of 38 400 baud for example all four ports at 9600 baud The PPX 505 2571 has two communication indicators for each port one for tr...

Страница 11: ...MATIC 525 provide only an RS 232 port limiting reliable communications to about 50 feet at higher baud rates The PPX 505 2571 provides two additional RS 232 ports and 2 additional RS 422 ports in addition to the standard controller ports These additional ports may be used to attach various types of serial devices which conform to the Non Intelligent Terminal Protocol NITP Devices requiring the Tra...

Страница 12: ... and perform statistical process control trending report generation and other applications These third party applications typically run on a PC or other platform but most all of them communicate to the controller directly through the program port Often times there are multiple nodes that need to be connected to the controller With the PPX 505 2571 this may easily be accomplished See Figure 1 2 PC ...

Страница 13: ...er can easily make changes in the controller program or adjust timer and or drum preset values During start up conditions a PC may be attached to a serial port to aid in the debugging process The additional ports on the PPX 505 2571 make it possible to access locally the controller See Figure 1 3 PPX 505 2571 Module Lap Top Figure 1 3 Attaching a Lap Top PC ...

Страница 14: ...al Chapter 2 Installing the Module 2 1 Getting Started 2 2 Installation Planning 2 2 Unpacking the Module 2 2 Configuring the Module 2 3 Inserting the Module into the I O Base 2 4 Connecting Operator Interface Devices 2 4 Powering Up the Module 2 5 Checking PLC Login 2 5 ...

Страница 15: ...than 50 feet in length RS 422 cables may extend up to 4000 feet at 9600 baud Open the shipping carton and remove the special anti static bag which contains the module CAUTION The components on the PPX 505 2571 module printed circuit card can be damaged by static electricity discharge To prevent this damage the module is shipped in a special anti static bag Static control precautions should be foll...

Страница 16: ...mmunications parameters are fixed Data Bits 7 Parity Odd Stop Bits 1 NOTE Switch position 3 is not used for ports 3 and 4 since RS 422 does not support hardware handshaking For ports 3 and 4 switch 3 is ignored and should be left in the OFF position For all ports switch positions 4 through 8 are reserved for future use and should be left in the OFF position Table 2 1 Baud Rate Switch Settings Baud...

Страница 17: ...les for the RS 232 ports should be no longer than 50 feet Ports 3 and 4 provide an RS 422 electrical interface RS 422 cables may be up to 4000 feet in length The port connections on the PPX 505 2571 have been designed to accept commonly used serial cables The pin outs on both the RS 232 ports and the RS 422 ports match those found on the Series 545 controller In addition the RS 232 connector match...

Страница 18: ... the diagnostics on the PPX 505 2571 detect no problems the ACTIVE indicator will illuminate If the indicator does not illuminate or exhibits a blinking pattern the module has detected a component failure For information on viewing failed module status refer to your SIMATIC TISOFT Programming Reference Manual See Chapter 4 of this manual for troubleshooting information Next check that the module i...

Страница 19: ...s logged into the controller memory and is ready for operation If the line is blank or erroneous re check the module to ensure tthat it is firmly seated in the I O base slot Generate the PLC I O configuration chart again by reading the I O base If still incorrect contact the Siemens Energy Automation Inc Technical Services Group in the U S A at 423 461 2522 In other countries you can also contact ...

Страница 20: ...Module Operation 3 1 SIMATIC 505 2571 Program Port Expander Manual Chapter 3 Module Operation Effect of Controller Scan Time 3 2 ...

Страница 21: ...should light briefly Similarly when data is sent from a port the XMT indicator should light briefly This release of the PPX 505 2571 does not support Transparent Byte Protocol TBP In addition the PPX 505 2571 does not support an ASCII print data stream Because the PPX 505 2571 is a Special Function module the controller scan time will be longer when the module is logged into the controller The eff...

Страница 22: ... remote I O module must communicate with the controller via a serial data stream A local base module also has a few milliseconds advantage because it is not subject to the remote base timing restrictions These advantages add up to an order of magnitude improvement in local base execution time over remote base Whether the effect on scan time is significant or not depends upon your application If yo...

Страница 23: ...C 505 2571 Program Port Expander Manual Chapter 4 Troubleshooting Module Malfunction 4 2 Communications Signal Problems 4 2 Module Response Problems 4 3 Baud Rate Mismatch 4 3 Hardware Handshaking Error 4 3 Protocol Problems 4 3 ...

Страница 24: ... values are unused in this version of the PPX 505 2571 The most common sources for signal problems are bad cables and improperly configured operator interface devices The RCV and XMT indicators can be a valuable aid in troubleshooting these errors If the RCV indicator for a port does not flash briefly when you attempt to send data to the PPX 505 2571 no signal is being received by the module First...

Страница 25: ...ve a wiring problem The attached device must issue and respond to task code packets as defined in the Non Intelligent Terminal Protocol NITP If you are unsure of this fact you can attach the device directly to the programming port to determine if it works properly If it does not work and cabling configuration items discussed in other sections above have been checked then you probably have a protoc...

Страница 26: ... Defective module Most likely a defective cable Possibly an operator interface device failure or configuration error Check communications cable wiring Replace with a known good cable and retry Replace operator interface device with one known to be good XMT light does not flash within two seconds of receiving a signal on the port RCV indicator flashes 1 Baud rate mismatch 2 Hardware handshaking err...

Страница 27: ...ble 1200 2400 9600 19200 Maximum Aggregate Rate 38 400 Baud Communications Parameters Data Bits 7 Parity Odd Stop Bits 1 Port Connectors Ports 1 and 2 Male DB9 Ports 3 and 4 Female DB9 Isolation 1500 VDC channel to controller Module Size Single wide 505 I O Backplane Power Consumption 6 Watts 5 VDC Operating Temperature 0 C to 60 C 32 F to 140 F Storage temperature 40 to 85 C 40 to 185 F Relative ...

Страница 28: ...rity Completeness Graphics Examples Overall design Size Index Would you be interested in giving us more detailed comments about our manuals Yes Please send me a questionnaire No Thanks anyway Your Name Title Telephone Number Company Name Company Address Manual Name SIMATIC 505 2571 Program Port Expander User Manual Edition Original Manual Assembly Number 2806135 0001 Date 04 96 Order Number PPX 50...

Страница 29: ... PERMIT NO 3 JOHNSON CITY TN FOLD FOLD POSTAGE WILL BE PAID BY ADDRESSEE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES ATTN TECHNICAL COMMUNICATIONS M S 519 SIEMENS ENERGY AUTOMATION INC P O BOX 1255 JOHNSON CITY TN 37605 1255 ...

Страница 30: ... ...

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