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10.2.4.4 Connection diagram
Layout of the SERCOS bus system in ring topology, with optical fibre cables (schematic).
AGND and DGND (connector X3) must be joined together !
10.2.4.5 Modifying the station address
The drive address can be set to a value between 0 and 63. With address 0, the drive is assigned
as an amplifier in the SERCOS ring. There are various ways to set the station address:
Keys on the front of the servo amplifier
The SERCOS address can also be modified using the keys on the front (p. 87).
Setup software
The address can also be modified in the setup software. For additional information, please refer to
the “Setup software” online help. Alternatively, enter the command ADDR # in the “Terminal”
screen, where # is the new address of the drive.
10.2.4.6 Modifying the baud rate and optical power
If the baud rate is not set correctly, communication is not possible. The SBAUD # parameter can be
used to set the baud rate, where # is the baud rate.
If the optical power is not set correctly, errors occur in telegram transmission and the red LED on
the drive lights up. During normal communication, the green send and receive LEDs flash, giving
the impression that the relevant LED is on. The SLEN # parameter can be used to specify the opti
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cal range for a standard 1 mm² glass fibre cable, where # is the length of the cable in metres.
SBAUD SLEN
2 2 Mbaud 0 Very short connection
4 4 Mbaud 1…< 15 Length of the connection with a 1 mm² plastic cable
8 8 Mbaud 15…< 30 Length of the connection with a 1 mm² plastic cable
16 16 Mbaud ³ 30 Length of the connection with a 1 mm² plastic cable
Setup software
The parameters can be modified in the setup software, “SERCOS” screen. For additional informa
-
tion, please refer to the “Setup software” online help. Alternatively, the commands SBAUD # and
SLEN # can be entered in the “Terminal” screen.
104 SERVOSTAR
®
601...620 Product Manual
Expansions / Accessories
07/2007 Danaher Motion