JUMO 706581 LOGOSCREEN nt Operating Manual - Manual (Page 21)

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2 Instrument Description
2.3 Binary Inputs/Outputs
Internal
binary inputs/
outputs The recorder can be equipped with 0, 8, 16 or 24 binary inputs/outputs. During
configuration, they are designated Binary input/output 1 — 24. The function
(input or output) can be configured.
There are two ways of finding out the exact number of binary inputs/outputs
that have been implemented:
- Check the type code on the nameplate against the type designation. Please
refer to the Installation Instructions B 706581.4 for an explanation of the
nameplate and type designation.
- Read the information on the instrument, in the menu Device manager 
Device info  Hardw.
In addition to the internal binary inputs/outputs, external binary inputs can also
be connected to the recorder.
External
binary inputs External binary inputs can be connected to the recorder via three different
interfaces. When configuring the external binary inputs, they are designated
External binary input 1 — 54.
Serial interface RS232/RS485 (Modbus)
The states of the external inputs can be transmitted to the recorder via these
two interfaces. The paperless recorder can be operated either as a Modbus
slave or as a Modbus master.
Further information on using the serial interface can be found in the Interface
Description B 706581.2.0.
Ethernet interface
Further information on using the serial interface can be found in the Interface
Description B 706581.2.0.
PROFIBUS-DP
This requires the extra code PROFIBUS-DP interface.
Further information on using the PROFIBUS-DP interface can be found in the
Interface Description B 706581.2.3.
H
Only external binary inputs are supported, but no external binary
outputs.