Yaskawa MP900 Series Machine Controller for Standard Operation - Manual (Page 249)

Module Configuration Definitions
3.7.10 MLINK (CERF) Definitions
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3
„ MLINK Definition Settings
This section describes the settings on the tab pages.
Transmission Parameters Tab Page
This tab page is used to set the parameters required to use the MLINK transmission system.
Table 3.24 Message Trust Levels
Table 3.25 Maximum Number of Slave Stations
Setting Item Details Default
Master/Slave Sets whether to use the Machine Controller as a
master station or as a slave station. Master
Own Station
Address When the Machine Controller is being used as a
master station, the local station address is fixed at
0 and cannot be changed. When it is being used as
a slave station, set a station address between 1
and 14. 0
Message Trust
Level Sets the error control method used when sending
MEMOBUS commands. Set the level from the
table of message trust levels given below. 0
Max Slave ST
Number
(Maximum Slave
ST Number) One of three levels can be selected. Refer to the
table of the maximum number of slave stations
given below. Set the number according to the
scale of the system. 14 stations
Scan Set to High or Low. Low
Level Details
0 Send command just once and wait indefinitely for a response from the destina-
tion.
1 Send command just once and resend if a response is not received within 8 sec-
onds.
2 When sending the command, send each word of data twice consecutively and
wait indefinitely for a response from the destination. This method improves
transmission quality but reduces transmission efficiency by 50%.
Number of Slave
Stations
Baud Rate
Communications
Cycle
14 stations 4 Mbps 2 ms