ACO A
utomation
Co
mponents
Operating Instructions DMMS_DIGISYS
27
DIGISYS evaluation and transmission module
7.3
PROFIBUS DP (option)
Moisture and temperature values, status and error reports from all 16 channels can be read from the control-
ler via the PROFIBUS DP, and all control signals such as Start, Fine and Manual can be set.
The Profibus DP-interface is described in an own document. This document is stored as a separate
file on the CD-ROM. If the paper version is required, please request it from ACO Automation Compo-
nents.
Detailed description 750-121 and a supplement for 750-333/-833 PROFIBUScan be obtained from the
WAGO Kontakttechnik GmbH company in Minden, or on their internet site:
All documentation regarding the PROFIBUS is available on the PROFIBUS user organisation internet page:
7.4
LED-signalisation
LED
Colour
Explanation
A B C D
green
Operating voltage available
RUN
green
The field bus was efficiently initialised.
BF
(flashing) red Communication via the PROFIBUS is not func-
tioning.
DIA
red
An external diagnosis is being performed.
BUS
flashing code Projection error
I/O
off
Missing data cycle on the node.
It is blinking
red
Incorrect operation of the PROFIBUS node.
green
Normal operation of the PROFIBUS node.
orange
Flash-access to the machine-firmware
USR
red
Initiate system start
off
Boot
flashing
green/orange
Sensors on the sensor bus are being searched for
or occurrence, evaluation and transmission mod-
ule
green
System running
orange
System running with display and parameterisation
module
red flashing
code
DMMS -error, see error - flashing code