6-22
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
“Station diagnostics” header:
The “station diagnostics” header specifies the scope and contents of the diag-
nostics information that follows.
Table 6-17 Meaning of the “Station Diagnostics” Header
Bit Diagnostics Message
0 0:
1 1:
2 0:
Length of the station diagnostics including header (sta-
3 0:
tion diagnostics) = 2 octets.
4 0:
5 0:
6 0:
7 0:
Code for station diagnostics.
Station diagnostics:
The station diagnostics message provides general information on the
ET 200U(DP Standard/FMS):
Table 6-18 Information Content of Station Diagnostics
Bit Diagnostics Message
0 1: ET 200U(DP Standard/FMS) executes in ”Slow Mode”.
1 1: Configuration data do not correspond to comodulemodulemodu-
lenfiguration of the ET 200U(DP Standard/FMS).
2 0: Bit is always “0”.
3 1: I/O module removed or bus unit of ET 200U(DP Standard/FMS)
defective. The slot of the I/O module or bus unit is specified in
the module diagnostics.
4 1: No load voltage or output fault to ground (for I/O modules with
diagnostics facility only)
5 1: Incorrect activation of an output (short–circuit to L+; for I/O
modules with diagnostics facility only)
6 0: Bit is always “0”.
7 0: Bit is always “0”.
ET 200U(DP Standard/FMS): Modes, Settings and Comm. Capabilities of IM 318–C
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