Siemens ST PCS 7 manual 11/3, Possible online modifications among the process I/Os, Profibus PA

© Siemens AG 2007

Process I/O

Introduction

Ex I/O modules from the ET 200M range

The ET 200M can be run in Ex zone 2/22. The actuators/sensors can be positioned in Ex zone 1/21 when suitable Ex input/output modules are used. Hot swapping of I/O modules within Ex zone 2 is allowed with the right permit (e.g. fire certificate). FM ap- provals: Class I, Division 2 and Class I, Zone 2.

Field devices with PROFIBUS PA capability

Using PROFIBUS it is possible to integrate field/process devices directly in Ex zones 1, 2, 21 or 22, and sensors/actuators can also be integrated in zone 0 or 20. FM approvals: Class I, Division 1 and Class I, Zone 0.

Integration of actuators/sensors using ET 200iSP

The ET 200iSP appropriate for gaseous and dusty atmospheres can be installed, according to CENELEC II 2 G (1) GD Eex d e [ib/ia] IIC T4 directly in the Ex zones 1, 2, 21 or 22 as well as in non-hazardous areas. The intrinsically-safe sensors, actuators and HART field devices can also be located in zone 0 or 20 if necessary.

Intrinsically-safe operator control unit

An intrinsically safe PC operator control unit can be used in haz- ardous areas, zone 1, 2, 21 or 22, if required. For further details on this operator control unit, see Catalog "Add Ons for the SI- MATIC PCS 7 Process Control System".

■Function

Possible online modifications among the process I/Os

ET 200M	• Adding of ET 200M stations
	• Adding of I/O modules for the station
	• Reparameterization of I/O modules
	• Parameterization of connected HART field
	devices with SIMATIC PDM
ET 200iSP	• Adding of ET 200iSP stations
	• Adding of modules for the station
	• Reparameterization of modules
ET 200S	• Adding of ET 200S stations
PROFIBUS DP,	• Adding of PROFIBUS DP stations
PROFIBUS PA	• Adding of DP/PA links and field devices
	• Parameterization of field devices with
	SIMATIC PDM

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Siemens ST PCS 7 · November 2007

11/3