Emerson EV2000 Series User Manual page 30

26 Chapter 3 Installation and Wiring
② Connection between the drive's RS485 port and the host PC:
③ Connect the drive to the host PC via a MODEM:
RS232 port
Func
Transmit
Receive
Ground
The kilobit of FF.00
is set to 1
Fig. 3-19 Wiring of RS232-(MODEM-PSTN-MODEM)-RS232 communication
④The drive's RS485 port connects to PROFIBUS via the TDS-PA01(field bus made by ENPC):
EV2000
RS232 port
Function Terminal
Transmit TXD
Receive RXD
GND GND
The kilobit of FF.00
is set to 0
RS232
RS485
CN14
Fig. 3-17 RS232-RS232 communication cables
EV2000
RS485 port
RS232
RS485
CN14
Function Terminal
RS485
－ －
＋ RS485 ＋
Fig. 3-18 RS485-(RS485/RS232)-RS232 communication cable
EV2000
Signal
PE
Terminal
●
TXD
TXD
RXD
RXD
GND
GND
●
DTR
DSR
RI
RS232
CD
RS485
RTS
CN14
CTS
EV2000 Series Universal Variable Speed Drive User Manual
Control PC
RS232 DB9
Shielded
Signal
cable
●
PE
RXD
TXD
GND
DTR
●
DSR
RI
CD
●
RTS
CTS
RS485/RS232 converter
Shielded
Function Terminal
cable
5V power ＋ 5V
Transmit TXD
Receive RXD
Ground GND
Terminal Function
RS485
－ －
RS485 ＋ ＋
MODEM
Pin
Enclosure
3
2
5
PSTN
4 MODEM
Telephone
6
network
9
1
7
8
（ ）
Pin
Enclosure
2
3
5
4
6
9
1
7
8
Control PC
RS232 DB9
（ ）
Signal Pin
●
PE Enclosure
RXD 2
TXD 3
●
GND 5
DTR 4
DSR 6
RI 9
CD 1
RTS 7
CTS 8
PC
RS232
PC or PLC
（ ）