Lenze i550 - Modbus RTU

Modbus RTU
The network must be terminated with a 120 Ω resistor at the rst and last physical node.
Set the "R" DIP switch to ON at these network nodes.
Typical topologies
Line
A1 A2 A3 An
X216 X216 X216 X216
" " " "
120 120 120 120
COM COM COM COMTB TB TB TBTA TA TA TA
R
R
R R
Connecon descripon Modbus RTU
Connecon X216
-
Connecon type Non-pluggable
Max. cable cross-secon mm² 1.5
Max. cable cross-secon AWG 16
Stripping length mm 9
Stripping length in 0.35
Required tool 0.4 x 2.5
Basic network sengs
Use the DIP switch to set the node address and baud rate and to acvate the integrated bus terminang
resistor.
Mode Address
O
N
R
64 32 16 8
4 2 1
b a 128c
Bus terminaon Baud rate Parity Modbus node address
R c b a 128 64 32 16 8 4 2 1
OFF n. c. OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF
Inacve Automac detecon Automac detecon Value from parameter
ON ON ON Node address - example:
Acve Value from parameter Value from parameter OFF OFF OFF ON OFF ON ON ON
Node address = 16 + 4 + 2 + 1 = 23
Node address > 247: Value from parameter
Bold print = default seng
Electrical installaon
Networks
Modbus RTU
164