C135 PCS 7 (PCS7)
6C
6 Cielo Ciencia y Tecnología
·Publicada en C135 PCS 7 (PCS7)

Use the PROFIBUS PA Profile GSD with a SIPART PS2 in PCS 7 V8.0

Use the PROFIBUS PA Profile GSD with a SIPART PS2 in PCS 7 V8.0

For a SIPART PS2 PA that supports PROFIBUS PA Profile 3.0, Siemens documents a profile-conformity operating mode using the profile GSD pa_9710.GS*; the positioner's extended mode instead uses SIS18079.GS*. There is no universal GSD that describes every positioner. Match the selected GSD to the actual PS2 device mode, then map cyclic setpoint and readback using that GSD's module layout. Profile mode does not provide the full PS2-specific feature set.

Table of Contents

There is no universal positioner GSD file

A GSD describes a specific device or standardized profile, including its identity and cyclic data structure. A single manufacturer-independent file cannot represent every positioner's vendor extensions. For the SIPART PS2 PA, Siemens documents a profile-conformity mode that can exchange with other positioners conforming to PROFIBUS PA Profile 3.0, using the profile GSD pa_9710.GS*. The full PS2-specific mode uses SIS18079.GS*.

Choose the matching PS2 device mode and GSD

The PS2 manual states that the GSD must match the selected device operating mode. In profile-conformity mode, the device is exchangeable with other vendors' profile-conforming positioners but does not provide the full PS2 function scope. In “profile conformity with extensions” mode, the manual identifies the PS2-specific GSD and full device function scope. If device mode and configured GSD do not match, cyclic data exchange will not start.

Configure basic cyclic setpoint and readback

  1. Identify the SIPART PS2 PA device/version and its current IDENT operating mode from the device documentation/configuration.
  2. Select the corresponding GSD: pa_9710.GS* for profile conformity or SIS18079.GS* for PS2 profile conformity with extensions, as specified by the manual.
  3. Import/install the exact GSD supported by the PCS 7 V8.0 Update 1 engineering environment, then configure the PROFIBUS PA device with the required cyclic modules.
  4. Map the cyclic setpoint and position readback according to the selected GSD/module layout and the positioner manual. Do not assume a third-party device uses identical offsets without its profile documentation.
  5. Confirm the device's operating mode matches the configured GSD, establish cyclic exchange, then verify that a test setpoint produces the expected response and readback.

What changes when the SITRANS library is unavailable

A device-specific PCS 7/SITRANS library may provide templates, faceplates, and predefined engineering integration; the generic PA profile GSD instead exposes standardized cyclic data for compatible profile-conformity mode. It does not recreate vendor-specific diagnostics or the full PS2 extensions. The source does not identify the exact unavailable library package, so confirm GSD availability and PCS 7 V8.0 compatibility before configuring.

Verification

The SIPART PS2 manual says successful cyclic communication can be recognized when the positioner responds to the master setpoint. Confirm the readback value and status using the configured module mapping, and inspect device diagnostics if data exchange does not start. Verify the GSD/device-mode match rather than troubleshooting the APL block first.

Limitations and Operational Precautions

The cited PS2 manual is older than PCS 7 V8.0 Update 1, and this research did not confirm which GSD package is present in that specific installation. Profile mode limits available features; it is not equivalent to the vendor-specific integration. Validate device revision, PA profile compatibility, GSD import, and cyclic data layout against the actual positioner and PCS 7 release.

Engineer FAQ

Is there one generic GSD for all positioners? No; use the standardized PA profile GSD only for devices that support the matching profile mode.

Which GSD does the PS2 manual assign to profile mode? pa_9710.GS*.

Which GSD enables full PS2 extensions? SIS18079.GS*, with the matching PS2 extended mode.

Does a generic profile GSD provide all vendor diagnostics? No; profile conformity provides standardized interoperability, not the full vendor-specific feature set.

Technical References

  • Siemens, SIPART PS2 PA Manual, section “Device operating mode” (IDENT), specifies the profile-conformity and extended modes and their assigned GSD files: https://support.industry.siemens.com/cs/attachments/23412731/A5E00127926-04_003.pdf
  • Siemens, FAQ F0636, “Selection of GSD files for PROFIBUS instruments,” identifies version-dependent SIPART PS2 GSD selection; Chinese-language support page: https://www.ad.siemens.com.cn/download/documentdetail_6608.html

Related Articles

Related Tags

20 respuestas