TECO E510s Series - Appendix 3 Modbus Protocol Description; Communication Connection and Data Frame; Network Connection

AP 3-1
Appendix 3 Modbus Protocol Description
Communication Connection and Data Frame
The inverter can communicate with a PC or PLC via RS485 or RS232 using the Modbus RTU or
Modbus ACSII protocol. The maximum frame length is 80 bytes.
Network Connection
Controller
(PLC / HMI or
PC )
Slave E510s
Address 01
Slave E510s
Address 02
Slave E510s
Address 03
Slave E510s
Address FE
CN6 CN6 CN6 CN6
RS-485
Interface
S(+) S(-) S(+) S(-) S(+) S(-) S(+) S(-)
** Terminate the communications line with a (120 ohm, 1/4 watt) resistor at both ends.**
CN6 Pin out：
PIN Signal PIN Signal
1 RS485 Data+ signal 5 Tx signal
2 RS485 Data- signal 6 RS485 Data- signal
3 RS485 Data+ signal 7 VCC of isolated 5V power supply
4 Reserved 8 GND of isolated 5V power supply
For RS-485 communication use pin 1 or pin 3 for S (+) and pin 2 or pin 6 for S (-).
87654321
120Ω
1/4w
120Ω
1/4w