Siemens SIMATIC S5 ET 200U - Differences between the Various Modes of the IM 318-C

6-7
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Table 6-4 Differences Between the Various Modes of the IM 318–C (Continued)
Characteristics ET 200U
(DP Standard)
ET 200U(FMS) ET 200U in a
Mixed Config.
Combi–Slave
Access to FMS objects:
 DP inputs
 DP outputs
 FMS inputs
 FMS outputs
Irrelevant
 Irrelevant
 Irrelevant
 Read
 Read / write
 Read
 Read
 Irrelevant
 Irrelevant
 Read
 Read
 Read
 Read / write
Meaning of BF LED
(BUS FAULT):
 Table 5-10,
Section 5.3.1
 Table 6-39,
Section 6.4
 Table 6-39,
Section 6.4
 Table 6-39,
Section 6.4
Failure of the DP master All outputs are
set to “0”.
1
– All outputs are
set to “0”.
1
Outputs assigned
to the DP master
are set to “0”.
1
The states of the
outputs assigned
to the FMS mas-
ter are retained.
Failure of the FMS mas-
ter
– All outputs are
set to “0”.
2
No influence on
ET 200U
Outputs assigned
to the FMS mas-
ter are set to
“0”.
2
The states of the
outputs assigned
to the DP master
are retained.
1: After response monitoring time has elapsed.
2: After link monitoring time has elapsed.
The IM 318–C can be operated as DP Standard slave and/or FMS slave:
If the IM 318–C is Operated as ...
... Refer to
 ET 200U(DP Standard)
Section 5
 ET 200U(FMS)
 ET 200U in a mixed configuration
 Combi–slave
Section 6.2
ET 200U(DP Standard/FMS): Modes, Settings and Comm. Capabilities of IM 318–C