ABB ACSM1 Series, Firmware Manual

Page: 159 / 334

Parameters and firmware blocks
159
57.14 NR REF1 MC GRPS FW block: D2D COMMUNICATION (see above)
In the master drive, sets the total number of links (followers or groups of followers) in the multicast
message chain. See parameter
57.11 REF 1 MSG TYPE .
Notes:
• This parameter has no effect if the drive is a follower.
• The master counts as a member of the chain if acknowledgement from the last drive to the master is
desired.
1…62 Total number of links in multicast message chain.
57.15 D2D COMM PORT FW block: None
Defines the hardware to which the drive-to-drive link is connected. In special cases (such as harsh
operating conditions), the galvanic isolation provided by the RS-485 interface of the FMBA module
may make for more robust communication than the standard drive-to-drive connection.
(0) ON-BOARD Connector X5 on the JCU Control Unit is used.
(1) SLOT 1 An FMBA module installed in JCU option slot 1 is used.
(2) SLOT 2 An FMBA module installed in JCU option slot 2 is used.
(3) SLOT 3 An FMBA module installed in JCU option slot 3 is used.