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7.2.4
Diagnosis
LED displays for system messages RUN, ERR,
Supply
11
green
red
green
The green LED "RUN" lights up when the user ap-
plication is being processed.
The red LED "ERR" lights up when a fatal error (RAM
error, DP-RAM error, EPROM error, Flash EPROM
error) or a serious error is present.
The green LED "Supply" indicates the presence of
the supply voltage.
Fig. 7.2-12: LED displays for system messages
RUN, ERR, Supply
Operating states, error display
gn rd gn
Meaning
Supply voltage not present.
n n n
Supply voltage present.
n n H
07 MK 92 is ready to process the user
application.
–
Load user application with 907 MK 92.
–
Start processing of application:
Switch RUN/STOP switch to RUN.
The user application is running.
H n H
X
A serious error is present which caused the user
H H
application to abort automatically.
Initialization procedure. Voltage ON.
H H H
= LED off,
= LED on, X = LED on or off, gn = green, rd = red
n
H
Fig. 7.2-14: Signalling operating states and error display
7.2.5
Programming and test software
907 MK 92
The communication module is programmed with the pro-
gramming and test software 907 MK 92. This software
can be run on an IBM-compatible PC. The PC is con-
nected with the COM3 interface of the communication
module.
2
07 MK 92 R1161
RUN
ERR
Supply
LED displays, freely configurable
The yellow LEDs "LED1...LED4" are configurable. They
can be controlled by the application program.
12
yellow
yellow
yellow
yellow
Fig. 7.2-13: LED displays, freely configurable
Remedy
Switch on supply voltage.
l
Check supply voltage.
l
Read out error and remedy if this is possible.
l
In addition to the programming and test software, the pack-
age 907 MK 92 contains documentation of the communi-
cation module 07 MK 92 and configuration examples.
7.2-12
Hardware
LED1
LED2
LED3
LED4
Advant Controller 31 / Issued: 10.99
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