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:
g
g
g
(
tion diagnostics) = 2 octets.
4
0:
5
0:
6
0:
C d f
t ti
di
ti
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