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INSTALLATION
Page 40
DOC_DEV_RAS_User guide_A
Machine Access Box RAS
RS232
The RS232 cable must be shorter than 10 meters.
Cables can be provided to connect the product to DTE and DCE as follows :
RS232 cables (L=1m)
Code
User connector
Cable function
CAB592
SubD 9 male
To connect a DCE to the router RAS
CAB593
SubD 9 female
To connect a DTE to the router RAS
CAB609
Wires
To connect a device providing a specific connector
RS485 connection
The RS485 serial interface is provided on the front
panel 2 positions screw-block.
It is not isolated.
Long RS485 line or high data rate
if the RS485 line is longer than10 meters or if the
data rate is greater than 19200 b/s, it is necessary
to connect one 120 Ohm matching resistor at each
end of the line and two 390 Ohm polarisation
resistors at one of the two extremities of the line.
Digital input and output
To check that the input and the output are
correctly wired, select
Diagnostic > Hardware > Input / Output
The status of the input is displayed and
the output can be switched ON or OF.
Summary of Contents for RAS-E
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