Hardware Manual COMBILOG 1020
88
RUN
(green LED)
ERR
(red LED)
meaning
off
The supply voltage has been selected too low or
the power supply cannot supply the required
power.
off flash
The datalogger is in the monitor mode. A valid
program has not yet been loaded; the appliance is
not yet ready for operation.
on
There is a sensor error detected. Possible causes
may be: 1. wrong configuration, 2. line break or
short circuit, 3. measured value too high or too
low.
flash flash
The datalogger is in the download mode. Cur-
rently a program or a configuration is transmitted
to the datalogger.
on
off
The supply voltage has been connected correctly.
There is no error. Data transmission to the mod-
ule via bus is not active.
on
There is a sensor error detected. Possible causes
may be: 1. wrong configuration, 2. line break or
short circuit, 3. measured value too high or too
low.
short off
X
A telegram has just been dispatched from the
datalogger via the bus to a control system or to a
PC.
Table 9.1 Assignment of LED functions (flash frequency approx. 1Hz)
Summary of Contents for COMBILOG 1020
Page 1: ...COMBILOG 1020 Datalogger Hardware Manual Version 3 09...
Page 2: ...Hardware Manual COMBILOG 1020 2 Issue 03 11 2005 Technical data are subject to change...
Page 4: ...Hardware Manual COMBILOG 1020 4...
Page 6: ...Hardware Manual COMBILOG 1020 6...
Page 12: ...Hardware Manual COMBILOG 1020 12...
Page 86: ...Hardware Manual COMBILOG 1020 86 Bild 8 1 Example Master Slave System...
Page 169: ...Hardware Manual COMBILOG 1020 169...
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