6-11
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
6.3.1 FMS Services
The ET 200U(DP Standard/FMS) supports the FMS services shown in the
following diagram. The FMS services correspond to the definitions in the
sensors/actuators profile.
ET 200U(DP Standard/FMS) FMS master
Initiate
Abort
Abort, Reject
Identify, Get–OV, Status
Read, Write
Event–Notification
Acknowledge–Event–Notification
Alter–Event–Condition–Monitoring
Figure 6-2 FMS Services Supported by the ET 200U(DP Standard/FMS)
“Initiate” establishes a link between the FMS master and the
ET 200U(DP Standard/FMS).
“Abort” closes down the connection between the FMS master and the
ET 200U(DP Standard/FMS). The link can be cancelled either by the FMS
master or the ET 200U(DP Standard/FMS).
“Reject” is used by the ET 200U(DP Standard/FMS) to reject an impermissi-
ble FMS service. Possible origin of an impermissible FMS service:
FMS service of the FMS master cannot be processed (FMS service is not
permissible or not executable)
Initiate
Abort
Reject
ET 200U(DP Standard/FMS): Modes, Settings and Comm. Capabilities of IM 318–C
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