BEI Sensors MHK5 Absolute Hollow Shaft Encoder - Manual (Page 5)

2 Installation
The Absolute Encoder is connected with a
connection cap. This cap is connected to the
encoder with a 15-pin-D-Sub connector and can be
removed by loosening two screws on the backside
of the encoder. Bus lines and power supply are led
into the cap via cable glands and connected to
terminal blocks.
2.1 Settings in the connection cap
2.1.1 Station address
The station (node) address is set by using the
rotary switches in the cap. The values (x 10 or x 1)
for the switches are marked at the switch. Possible
addresses are between 0 and 99. Each address
can only be used once in the network. The station
address is read in when switching on the power
supply. An address change by the Master
(“Set_Slave_Add“) is not supported.
2
8
2
8
7 7
x10
45 6
3
x1
45 6
3
B A
ON
+
1 9 0
B A
9 0 1
R
+
2.1.2 Bus termination
If the encoder is connected at the end or beginning
of the bus line the termination resistor must be
switched on (slide switch in position “ON”).
ON
R
ON
R
device X last device
Note
The outgoing bus line is disconnected if the
resistor is switched on!
The bus is only correctly terminated when the
encoder is connected to the connection cap. If the
encoder must be changed during operation, a
separate active bus termination should be used.
Revision 03/10 BEI Sensors Profibus Manual serie M Page 5