Commissioning
Operating Instructions
Chapter
4
17
8014012/1EF3/2021-12-08
Subject to change without notice
© SICK AG
•
Germany
•
All rights reserved
A3M60 Basic
Fig. 4: Settings on the
hardware
4.3
Settings on the hardware
There are the following controls for making settings under the screw cover:
DIP switch for the bus termination (termination)
rotary switch for the addressing (address 1
–
125)
preset pushbutton
►
Open the screw cover using a screwdriver for slot-head screws with a blade width of
min. 15.0 mm.
The A3M60 Basic is supplied with the following pre-settings:
termination = OFF
address on the PROFIBUS = 2
4.3.1
Bus termination
At the start and end of each segment, the bus must be terminated using a terminator. The
A3M60 Basic PROFIBUS Absolute Encoder contains a bus termination that can be
enabled.
The bus can be terminated using the DIP switches.
►
To terminate the bus, set both DIP switches to ON.
►
Alternatively you can use an external terminator (see section 7.2
” on
page 28).
Tab. 14: Examples for setting
the PROFIBUS address
4.3.2
Addressing
Each device in the bus segment must have a unique address. Each address is only allowed
to occur once in the bus segment. The A3M60 Basic PROFIBUS Absolute Encoder is preset
to the address 2 from the factory. The highest address that is allowed to be set is 125.
To set the address use the hex rotary switch and the decimal rotary switch.
►
Set the decades for the address using the hex rotary switch.
►
Set the units for the address using the decimal rotary switch.
Examples
Preset pushbutton
Hex rotary switch
Decimal rotary switch
DIP switch for the bus
termination
Address
Hex rotary switch
Decimal rotary switch
17
1
7
123
C (corresponds to decimal 12)
3
