11
VLT is a registered Danfoss trade mark
MG.10.P2.22
• On back of cassette, insert edge of
Modbus RTU option card into slot at side
of cassette (A).
• Secure opposite side of card with 2
self-tapping screws provided (B).
4. Secure
Modbus
RTU Option
Card
5. Wire
Modbus
RTU Option
Card
Connector
to VLT
Terminals
• Wire Modbus interface connector (24 V
power) pin 1 to VLT terminal 12 or 13.
• Wire Modbus interface connector (RTxD+)
pin 2 to VLT terminal 69.
• Wire Modbus interface connector (com)
pin 3 to VLT terminals 20 and 61.
• Wire Modbus interface connector (RTxD-)
pin 4 to VLT terminal 68.
• Plug Modbus interface connector into
bottom of Modbus option card.
• Connect control card cassette to hinge at
top of drive.
• Connect ribbon cables.
6. Install
Ribbon
Cables
NOTE
Ribbon cables must be recon-
nected to same connections from
which removed.
(spare)
(spare)
RTxD
RTxD'
Com
24V in
Pin 1
to terminal 12 or 13
to terminal 69 (+)
to terminals 39 and 61
to terminal 68 (-)
(B)
(A)
(-)
(+)
20
NOTE
Use 0.5 to 1.00mm
2
Cable (18 to
22 AWG). Torque terminals to 0.5-
06 Nm (5 in-lbs). Modbus RTU
interface connector terminals 5
and 6 are spares.
