AS-Interface
Connections, Displays and Operating Keys
Subject to reasonable modifications due to technical advances.
Copyright Fuchs, Printed in Germany
Fuchs Group · Tel.: Germany (6 21) 7 76-0 · USA (3 30) 4 25 35 55 · Singapore 7 79 90 91 · Internet http://www.pepperl-fuchs.com
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12.
8.
2007
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5.1.3
Bus termination
If the PROFIBUS gateway is connected at the end of the PROFIBUS line, the ter-
mination resistors in the PROFIBUS connector have to be switched on.
Terminating resistors with RS 485:
5.2
Display and operating elements
5.2.1
LED-display Profibus
There are seven light-emitting diodes on the front panel of the gateway . They
have the following function:
Power
The master's power supply is sufficient.
Profibus
LED on:
Gateway is allocated to a PROFIBUSmaster.
LED off:
Gateway is not allocated to a PROFIBUS master.
Config err
Configuration error:
At least one configured slave is missing, at least one detected
slave is not projected or for at least one projected and detected
slave the actual configuration data does not match the nominal
configuration data.
This LED flashes if there is at least one periphery fault at one
AS-i slave in the AS-i network. If there are configuration errors as
well as periphery faults, only configuration error is displayed.
U AS-i
The AS-i circuit is sufficiently powered.
AS-i active
Normal operation active (Flashes, if a B-slave is displayed).
PIN
Designation of the SUB-D connectors
Pin 3
Data line B („RxD/TxD-P“)
Pin 5
DGND (0 V)
Pin 6
VP / +5 V
Pin 8
Data line A („RxD/TxD-N")
A
A
A
B
B
B
390
220
390
Host
AS-i Master
AS-i Master
390
220
390
5V
5V
GND
GND
