10.4.3 Connection diagram
Layout of the sercos
®
bus system in ring topology, with optical fiber cables (schematic).
10.4.4 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. Set the station address with the:
Keys on the front of the servo amplifier
The sercos
®
address can be modified using the keys on the front of the amplifier (p. 110).
Setup software
The address can also be modified in the setup software, “CAN/Fieldbus” screen (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.
10.4.5 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 optical 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 (please refer to
the setup software the online help
). Alternatively, the commands SBAUD # and SLEN #
can be entered in the “Terminal” screen.
S300 Instructions Manual 121
Kollmorgen 02/2017 Expansions Cards
C
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Fiber optic cable
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