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Active Mini-Starcoupler
14.01.2002
4.3.4 RS485-Interface
X5
Connection X5 is a dual pole COMBICON screw type connector
Pin. Nr.
Meaning
Symbol
1
RS485 A
A
2
RS485 B
B
Tab. 4:
Assignment of the 9 pole Sub-D plug
4.4 LED's
The LED´s are at the front side of the device and visible. They indicate
the operation of the device.
4.4.1
Green LED "RUN"
The green LED is ON as soon as the device is ready for operation. That
means, the in5V supply voltage and the micro-processor work
correct.
4.4.2
Yellow LED "MASTER"
The yellow LED "MASTER" flashs, if datas from a switched port are
transmitted to the Master-interfaces.
If the micro-processor doesn´t operate, the LED "MASTER" is ON as
long as the LED "RUN" is in OFF-state, but +5V supply voltage is
available.
4.4.3
Yellow LED "SLAVE"
The yellow LED "SLAVE" flashs, if datas from a Master-interface are
transmitted to one of the selected Slave-interfaces.
The LED "SLAVE" is ON, as long as the micro-processor doesn´t
operate and the DIP-switch S2.1 is in "ON" position.
Note:
If datas are exchanged between the Master-interfaces of the
device and no Slave-interface is active switched no yellow LED flash.
Summary of Contents for 7XV5550-0xA00 Series
Page 1: ...Active Mini Starcoupler 7XV5550 0xA00 Manual Jan 2002 ...
Page 2: ......