Siemens AS 235 appendix Interface modules for coupling with other systems, summary

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Coupling with other systems

Summary

Interface modules for coupling with other systems, summary

Interface module

Type of coupling

Interface

Procedure

Electrical isolation

Coupling partner

6DS1 321-8AA

Parallel,

RS 422

I/O bus interface

No

SIMATIC S5 expansion units

 

bus connection

 

 

 

 

6DS1 327-8AA

Serial,

RS 485

(ET 100)

Yes

SIMATIC S5 expansion units, ET 100U

 

bus connection

 

 

 

 

6DS1 333-8AB

Serial, point-to-

TTY

3964 R / RK 512

Yes, at receiver

SIMATIC S5 programmable controllers

 

point connection

 

 

 

with CP 524 and CP 544 communica-

 

 

 

 

 

tions processors

 

 

 

 

 

SIMATIC S7-400 automation systems

 

 

 

 

 

with CP 441-2 communications proces-

 

 

 

 

 

sor

 

 

 

 

 

SIMATIC S7-300 automation systems

 

 

 

 

 

with CP 341 communications proces-

 

 

 

 

 

sor

 

 

 

 

 

 

Summary

￿A differentiation is made for AS 235 couplings between

• coupling via the CS 275 bus and

• direct coupling via special interface modules. This section only deals with direct coupling.

The summary table lists all available interface modules for cou- pling with other systems, together with the most important fea- tures of the modules.

All interface modules are operated in a slot for I/O modules.

An important feature for differentiation is the type of coupling (parallel/serial):

• With a parallel coupling, the interface module 6DS1 321-8AA transfers all bus signals between the automation system and the coupling partner – with the exception of the level conver- sion signals TTL-RS 422-TTL – in real-time mode. The driver blocks directly access the I/O modules in the connected expansion unit with a parallel coupling.

• With a serial coupling, the interface modules themselves han- dle the data transfer with the coupling partner. Data transfer is via the transfer RAM of the interface module with a serial cou- pling.

When selecting the interface module suitable for the respective application, the following factors may be important in addition to the type of coupling partner:

The distance to the coupling partner

The topology of the system

The earthing concept

Measures which may be needed for lightning protection.

Since the parallel coupling is not electrically isolated and the RS 422 system used permits a maximum difference of 7 V between the earth potentials of the coupling partners, it is rec- ommendable to use a serial coupling for longer distances within buildings and for links between different buildings. As a result of the lower number of conductors in the cable and the electrical isolation, this facilitates any protection measures for static and dynamic differences in potential (earthing, lightning protection).

The transmission rate and thus the cycle time can be varied with

aserial coupling. However, the selected data transfer rate has an influence on the maximum distance which can been covered.

The driver blocks required for the various links are contained in the standard software of the automation system.

Coupling of other systems

The interface module 6DS1 333-8AB can be used to couple other systems (e.g. scales, data acquisition units, process chro- matographs) if the system has an appropriate interface, i.e.

20-mA current loop interface (TTY) and 3964 R / RK 512 proce- dure. Other procedures and protocols require especially pro- duced firmware. However, detailed knowledge of the module hardware, the interface to the automation system, and the driver blocks is required in this case.

We would be pleased to recommend software companies with appropriate know-how for the generation of this firmware.

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Siemens PLT 111 · 1999

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Contents Teleperm M Brief description IntroductionFunctions of the AS 235 system ConfiguringGeneral system data System dataTechnical data of automation systems Or user-configured with own System architecture ConfiguringPerformance characteristics Operation and monitoring TML languageScope of performance Redundancy with the AS 235 H automation system Redundancy with AS 235 HImportant note Blocks for analog and digital processing ConfiguringStandard function blocks Standard function blocksData blocks Blocks for signal exchange via CSType Designation Function For modules with Order No Driver blocks for I/O modulesDriver blocks for I/O modules with standardized display Driver blocks for configurable Teleperm ME I/O modulesOrganization blocks Output blocks for printer and process monitorSystem architecture Performance characteristics Summary of system properties Redundancy with AS 235 H Configuring Data blocks Driver blocks for I/O modules Driver blocks for configurable Teleperm ME I/O modules Output blocks for printer and process monitor ES 100 K Connection diagramsAS 235 H AS 235 KGeneral GeneralBasic unit Basic cabinetAS 235 automation system Basic cabinetExtension units Standard I/O devicesBus components Power supply componentsBasic cabinet Ordering data for basic cabinetOrdering data AS 235 automation systemSee page 6/6 Options for basic cabinetOptions for AS 235 basic Cabinet 6DS9 002-8BBOptions for AS 235 extension Cabinet Extension cabinetExtension cabinet Extension cabinetAS 235 H automation system AS 235 HAS 235 H automation system, design 6DS3 305-8BA Example of redundancy with Redundant process I/OsInterface modules for 20-m local bus N-AS AS 235 H automation system Options for AS 235 H basic Cabinet AS 235 H extension cabinet Options for AS 235 H exten Sion cabinet Ordering data for extension cabinetAS 235 H automation System Extension cabinetBasic system AS 235 KBasic system AS 235 K automation systemAS 235 K automation system, design Interface module for ES 100 KSystem HousingOrdering data for AS 235 K AS 235 K automationES 100 K extension system ES 100 KES 100 K extension system ES 100 K extension Ordering data for ES 100 KES 100 K options Standard cabinets Standard cabinets and accessoriesStandard cabinets and accessories System cabinet accessoriesOrdering data for system cabinet accessories Permissible thermal loading Configuring values for thermal loadStandard cabinet with heat exchanger Standard cabinets IP 20 without heat exchanger Technical dataDesign 12 Standard cabinet with heat exchanger Standard cabinets IP 54 with heat exchangerProcess connection systems Connections for process signal cablesProcess connection systems Process connection systemsConnection diagrams for standard I/O devices to AS AS 235 K Connection diagramsStandard I/O devices to AS 235 / AS 235 K Connection of personal computer Connection of personal computerConnection of process monitors and parallel monitors Connection of process monitors and parallel monitorsStandard I/O devices to AS 235 H Connection diagrams for standard I/O devices to AS 235 HConnection diagrams Connecting cable Plug Cable Max. cable Order No From Length Summary of connecting cablesFunction modules Signal modulesProportioning Counter modules Summary Configurable I/O modules General technical dataSelection criteria for I/O modules Power supply, earthingLightning protection with distributed configuration Modules from other systemsClosed-loop control modules Function modulesClosed-loop control modules Function modulesSignal modules Signal modulesAnalog input and output modules Binary output module with 16 relays, 6DS1 605-8BA Binary input and output modulesBinary input and output modules Binary input module, testable, 6DS1 618-8CAMetering pulse input module with 8 channels, 6DS1 607-8AB STRUK-AS 220 EA configuring programProportioning and counter modules Proportioning counter module, metering pulse input moduleModules which can be used on the I/O bus Modules which can be used on the I/O busExplanations for the column Release Explanations for the column Remarks6DS1 342-1BD With S5KE PBT 65 process operation keyboard Mode of operationTest mode Operation unitConfiguring keyboard Configuring unitConfiguring keyboard Floppy disks Mini floppy disk unitMini floppy disk unit Mini floppy disk unit 6DS3 900-8AEBus communication Application ApplicationLocal range Remote range DesignSingle remote bus Redundant remote bus Connector board AF Remote busConnection distributor AV Bus converter UlBus configurations, examples Bus configurationsApplication Other conditions Connecting cables Connecting cables for 20-m local bus Connecting cablesConnecting cables for remote bus Central controllers Expansion unitsSimatic S5 I/Os ET 100U Coupling of other systems Interface modules for coupling with other systems, summaryParallel coupling with S5-115U I/O modules Simatic S5 expansion unitsParallel coupling with Simatic S5-115U I/O modules Digital input/output modules Simatic S5-115U I/O modules appropriate for couplingDigital input modules Digital output modulesParallel coupling with Simatic S5-135U/155U I/O modules Parallel coupling with S5-135U/155U I/O modulesSimatic S5-135U/155U I/O modules appropriate for coupling Interface module for Simatic S5 expansion units Interface module for Simatic S5 expansion unitsSerial coupling With Simatic S5/S7 central controllers Simatic S5/S7 central controllersSerial coupling with Simatic S5/S7 central controllers Interface module for Simatic S5/S7 central controllers Interface module for Simatic S5/S7 central controllersSerial coupling with Simatic S5 I/Os Simatic S5 I/Os / ET 100UExi modules ET 100U I/O modules appropriate for couplingInterface module for ET 100U Interface module for ET 100UOrdering information Ordering of complete systems AS 235 standard configurationOrdering of options