Siemens SINAMICS G180 Installation And Operating Instructions Manual page 153

component
Switch for terminating
resistor
Available Modbus
addresses
Configurable baud rate You can set the baud rate using the software under "P-INTERFACE/P-Fieldbus/P-Profibus/Modbus/
Configurable parity
Configurable interface
type
LED "Status"
(above the DIL
switches, only visible if
the blue cover is
removed)
Installation and operating instructions Sinamics G180
Operating Instructions, 05/2013, 4BS0751-001
Function
A bus line must be terminated with a terminating resistor. A terminating resistor can be fitted in the
connector. Select the switch position accordingly. Switch up = resistor On
You can set the Modbus address using the software as follows:
A value from 0 ... 247 can be set under "P-INTERFACE/P-Fieldbus/P-Profibus/Modbus/P-Modbus
RTU/BUS address".
If you specify the value 0, the address will be set by the hardware. In this case, set a binary address
from 1 to 127 with the DIL switches. (Switch 1 is MSB, switch 7 is LSB)
P-Modbus RTU/Baudrate".
If you specify the value 0 under "P-INTERFACE/P-Fieldbus/P-Profibus/Modbus/P-Modbus RTU/
BUS address", then the hardware will set the baud rate. Set the binary baud rate according to the
following list:
● 000: not available
● 001: 1200
● 010: 2400
● 011: 4800
● 100: 9600
● 101: 19,200 (standard for RTU)
● 110: 38.400
● 111: 57.600
You can set the parity using the software under "P-INTERFACE/P-Fieldbus/P-Profibus/Modbus/P-
Modbus RTU/Parity".
If you specify the value 0 under "P-INTERFACE/P-Fieldbus/P-Profibus/Modbus/P-Modbus RTU/
BUS address", then the hardware will set the parity. Set the binary parity according to the following
list:
● 00: not available
● 01: none (standard for RTU)
● 10: even
● 11: odd
Set this switch according to the interface you want to use.
● 0: RS 485
● 1: RS 232
Flashing red at different
frequencies
Flashing green at 1 Hz,
0.5 s on, 0.5 s off
Flashing green at 2 Hz,
0.25 s on, 0.25 s off
Hardware error on the Modbus board: Contact the service
department.
Initialization of the Modbus board OK
Initialization of the Modbus board has errors: Contact the service
department.
Spare parts and accessories
10.15 Modbus RTU
151