Siemens SINAMICS G180 - Page 64

Description
3.3 Accessories
Installation and Operating Instructions SINAMICS G180
62 Operating Instructions, 02/2019, 4BS0751-007
component
Function
Configurable parity
You can set the parity using the software under
"P-INTERFACES/P-fieldbus/P-PB/PN/Modbus/P-Modbus RTU/parity".
If you enter a value of 0 under
"P-INTERFACES/P-fieldbus/P-PB/PN/Modbus/P-Modbus RTU/BUS-address" then the parity is
set by the hardware. Set the binary parity according to the following list:
• 00: not available
• 01: none (standard for RTU)
• 10: even
• 11: odd
Configurable interface
type
Set this switch according to the interface you want to use.
• 0: RS 485
• 1: RS 232
LED "Status"
(above the DIL switches,
only visible if the blue
cover is removed)
Flashing red at different
frequencies
Hardware error on the Modbus board: Contact the service de-
partment.
Flashing green at 1 Hz,
0.5 s On, 0.5 s Off
Initialization of the Modbus board OK
Flashing green at 2 Hz,
0.25 s On, 0.25 s Off
Initialization of the Modbus board has errors: Contact the service
department.
Table 3- 7 Pin assignment of the Modbus connection with Sub-D connector
Pin
Designation
Function
Enclosure
Shield
Cable shield
1
-
Not used
2
RS 232 - TX
Signal (transmit)
3
RS 232 - RX
Signal (receive)
4
-
Not used
5
GND
Signal ground
6 + 5 V Supply voltage
7
RS 485 D0
-
8
RS 485 D1
-
9
-
Not used
Modbus connection Sub-D