Yaskawa MP2000 Series: Built-in SVB or SVB-01 Motion Module - Manual (Page 28)

1.2 Specifications
1.2.2 Specifications of SVB Module
1-12
( 2 ) MECHATROLINK Communication Specifications
* Up to 16 stations can be connected if a JEPMC-REP2000 MECHATROLINK-II Repeater is not used. Refer to
Chapter 8 MECHATROLINK-II Repeater of the Machine Controller MP900/MP2000 Series Distributed I/O Module
User’s Manual MECHATROLINK System (Manual No. SIE-887-5.1) for details.
( 3 ) Maximum Number of Slave Stations
The maximum numbers of slave stations that can be connected to the SVB Module are listed below.
MECHATROLINK Communication Setting and Maximum No. of Slave Stations
Refer to 3.4.2 MECHATROLINK Transmission Definition for information on how to set MECHATROLINK transmis-
sion settings.
Transmission Distance and Maximum No. of Slave Stations
* The values in parentheses apply when a JEPMC-REP2000 Repeater is used.
JEPMC-REP2000 Repeater must be used if 17 or more slave stations are connected when using MECHATROLINK-II
communication.
Item MECHATROLINK-I MECHATROLINK-II
Topology Bus Bus
Transmission Media Twisted-pair cable Twisted-pair cable
Transmission Distance
50 m max.
(Can be extended to 100 m with repeaters) 50 m max.
(Can be extended to 100 m with repeaters)
Minimum Distance
between Stations
0.3 m 0.5 m
Baud Rate 4 Mbps 10 Mbps
Communication Cycle 2 ms 0.5 ms, 1 ms, 1.5 ms, or 2 ms
Number of Connectable
Stations
Up to 14 stations
Up to 21 stations * (SERVOPACK for up to 16
axes)
Communication Control
Method
Cyclic Cyclic
Media Access Control
Method
1:N 2:N
Communication Mode Control communication Control communication
Error Control CRC check CRC check
MECHATROLINK Communication Setting
Maximum Number of Slave
Stations Communication Method Baud Rate
Communication
Cycle
MECHATROLINK-I 4 Mbps 2 ms 14
MECHATROLINK-II
(17-byte Mode)
10 Mbps
0.5 ms 6
1 ms 15
MECHATROLINK-II
(32-byte Mode)
10 Mbps
0.5 ms 4
1 ms 9
1.5 ms 15
2 ms
21 (SERVOPACK for up to
16 axes)
Communication Method Transmission Distance (Total Network Length)
Maximum Number of Slave
Stations
MECHATROLINK-I 50 m 14
MECHATROLINK-II
30 m
(Can be extended to 100 m with repeaters)
16 (21) *
50 m
(Can be extended to 100 m with repeaters)
15 (21) *