35
AXOR Industries Service Manual MiniMagnum
TM
ver.1 rev.05/'15
2.19 Multidrop connection
MULTIDROP connection
120
Ohm
J2
J3
J2
1
2
3
CAN H
CAN L
PGND
dc-dc Converter
7
PGND
4
5
6
8
1
2
1
2
3
dc-dc Converter
PGND
7
4
5
6
8
dc-dc Converter
PGND
3
7
4
5
6
8
TXD
2
3
5
J4
MASTER MODBUS
RXD
PGND
J3
1
2
3
dc-dc Converter
7
PGND
4
5
6
8
120
Ohm
MiniMagnum 2
OPTIONAL
Note:
• Connect the rst MiniMagnum
TM
to the Master using the RS232 cable (J4 connector); connect each
additional drive with to the drive preceeding it using the Can Bus cables and the J2 and J3 connec-
tors; connect a RESISTOR (120 Ohm, 1/4W) between pins 1 and 2 of the J2 (or J3) connector
of the rst MiniMagnum
TM
and another resistor between pins 1 and 2 of the J2 (or J3) connector of
the last drive.
• Axor drives use MODBUS communication protocol specied in the Modicon instructions (see
http://www.modicon.com/techpubs/).
For more information see enclosure "Modbus Manual" and "CanOpen Reference Manual" on the
CD provided with the drive.