Power Electronics Profipower, Руководство пользователя

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POWER ELECTRONICS PROFIPOWER
INSTALLATION AND CONNECTION
17
3.2.3. Connection for Equipments of Power Electronics
3.2.3.1. Variable Speed Drives of SD250 Series
Use S+ terminal to connect RS485 high signal and use S- terminal
to connect RS485 low signal.
SD25DTC0005AE
P4 MO MG 24 P1 P2 CM P3 S+ S-
P5 CM P6 P7 P8 VR V1 I AM 3A 3C 3B
TB3 TB1
TB4 TB2
Figure 3.4 TB1 connector of the control board
RS485 communication data:
ƒ
Transmission form: Bus method, Multi drop Link System.
ƒ Applicable drives: SD250.
ƒ Converter: RS232 converter.
ƒ Connectable drives: Maximum 31.
ƒ Transmission distance: Below 1.200m maximum (700m recommended).
ƒ
Recommended cable: 0.75mm² (18AWG), Shield type twisted-pare.
ƒ
Installation: S+ and S- terminals of TB1 connector located on control board.
ƒ Power supply: Power supply insulated from the drive power supply.
After connecting the communication line, set the following
parameters as follows:
Par. Description Setting
drv Drive mode 3 RS485 communication.
Frq Frequency setting
mode
7 RS485 communication.
I60 Slave No. in
communic. network
Use different numbers in case of more than 1 inverter is
installed.
1 – 250
I61 Transmission speed 3 9.600bps; factory setting.