Modbus Rtu - Lenze i550 Series Mounting Instructions

Electrical installation
Networks

Modbus RTU

Modbus RTU
The network must be terminated with a 120 Ω resistor at the physically first and last node.
Set the "R" switch to ON at these nodes.
Typical topologies
A1
120
"
X216
TA TB COM
Connection description
Connection
Connection type
Max. cable cross-section
Max. Cable cross-section
Stripping length
Stripping length
Tightening torque
Tightening torque
Tools required
Basic network settings
Use the DIP switch to set the node address and baud rate and to activate the integrated bus terminating
resistor.
Bus termination
R c
OFF n. c.
Inactive
ON
Active
Bold print = default setting
92
A2
120
X216
TA TB COM
mm²
AWG
mm
inch
Nm
lb-in
R c b
Mode
Baud rate
b
OFF
Automatic detection
ON
Value from parameter
Line
A3
120
"
X216
TA TB
Modbus RTU
Spring terminal
0.4 x 2.5
a 128 64 32 16 8 4 2
Address
Parity
a 128
OFF OFF OFF OFF OFF OFF OFF OFF OFF
Automatic detection
ON Node address - example:
Value from parameter OFF
Node address = 16 + 4 + 2 + 1 = 23
Node address > 247: Value from parameter
An
"
X216
COM TA
X216
1.5
16
9
0.4
-
-
1
O
N
Modbus node address
64 32 16 8
Value from parameter
OFF OFF ON OFF
120
"
TB COM
4 2 1
ON ON ON