Lenze i550 Series - Modbus RTU

Modbus RTU
The network must be terminated with a 120 Ω resistor at the physically rst and last node.
Se
t the "R" switch to ON at these nodes.
Typical topologies
Line
A1 A2 A3 An
X216 X216 X216 X216
120 120 120 120
COM COM COM COM
TB TB TB TB
TA TA TA TA
Connecon
descripon Modbus RTU
Connecon X216
Connecon type pluggable double spring terminal
Max. cable cross-secon mm² 2.5
Max. cable cross-secon AWG 12
Stripping length mm 10
Stripping length inch 0.39
Tightening torque Nm -
Tightening torque lb-in -
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 = de
fault seng
Electrical installaon
Networks
Modbus RTU
175