Connection to a fieldbus
6.4 Communication via RS485
Inverter with CU240B-2 and CU240E-2 Control Units
132 Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Additional communication settings
Parameter Description
p0700 = 6 Command source selection
Selecting the fieldbus as command source
p1000 = 6 Speed setpoint selection
Selecting the fieldbus as setpoint source
You set the command and setpoint source
during the basic commissioning, see
Commissioning (Page 55)
p2020 Value
4
5
6
7
8
9
10
11
12
13
Baud rate
2400
4800
9600
19200
38400
57600
76800
93750
115200
187500
p2022 Fieldbus interface, USS PZD count
Setting the number of 16-bit words in the PZD part of the USS telegram
Fieldbus interface, USS PKW count
Setting the number of 16-bit words in the PKW part of the USS telegram:
p2023
Value
0
3
4
127
PKW count
PKW 0 words
PKW 3 words
PKW 4 words
PKW variable
p2030 = 1 Fieldbus interface protocol selection
1: USS
p2040 Fieldbus interface, monitoring time [ms]
Setting the monitoring time to monitor the received process data via fieldbus. If no
process data are received within this time, an appropriate message is output
Additional information and parameters are provided on the following pages.
To Next Page
Loading...
