benshaw.com
134
APPENDIX B
B.2 LAYOUT AND FUNCTION OF TERMINALS OF RS485 CARD (RSI-PPVC-AXRY-COMM-MDBS)
RSI-PPVC-AXRY-COMM-MDBS is specially
designed to provide the drive with RS485
communication function. It adopts isolation
scheme and electrical parameters conforming
to international standards. It helps to
implement control of drive operation and
parameter setting through remote serial
interface.
485+ 485- CGND
J3
J2
Figure B-2 Layout of
RSI-PPVC-AXRY-COMM-MDBS terminals
Table B-2a Terminal descriptions of RSI-PPVC-AXRY-COMM-MDBS
Terminal
Terminal Name
Function Description
Terminal Arrangement
J2
485+
RS485 positive input
RS485 communication terminal with isolation input
485-
RS485 negative input
RS485 communication terminal with isolation input
CGND RS485 Power ground
Isolated power
485+ 485- CGND
Table B-2b Jumper descriptions of RSI-PPVC-AXRY-COMM-MDBS
Terminal
Terminal Name
Function Description
Jumper
J3
RS485 terminal
resistor matching
selection
Matching terminal resistor
Not matching terminal resistor
Note: Setting of jumpers shown with main terminals at the bottom of the card.
Jumpers are silk-screened on the card.
