TECO e510 series, Instruction Manual

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App3-1
Appendix 3: E510 MODBUS Communication protocol
1. Communication Data Frame
E510series inverter can be controlled by a PC or other controller with the Communication
protocol, Modbus ASCII Mode & Mode RTU, RS485 or RS232. Frame length maximum 80
bytes.
1.1 Hardware installation
Slave E510
Station 01
Slave E510
Station 02
Slave E510
Station 03
Slave E510
Station FE
controller
(PLC / HMI or
PC )
Option Card Option Card Option Card Option Card
RS-485
Interface
A B A B A B A B
Response
Request
** The network is terminated at each end with an external terminating resistor (120 Ω
，
1/4w)**
1.2 Data format ASCII MODE
STX(3AH) Start bit = 3AH
Address Hi
Address Lo Communication Address(Station):
2-digit ASCII Code
Function Hi
Function Lo Function Code (command):
2-digit ASCII Code
Command Start Address
Command Start Address
Command Start Address
Command Start Address
command Start byte:
4-digit ASCII Code
Data length
Data length
Data length
Data length
The length of the command:
4-digit ASCII Code
LRC Check Hi
LRC Check Lo
LRC Check Code:
2-digit ASCII Code
END Hi
END Lo
End Byte :
END Hi = CR(0DH) , END Lo= LF(0AH)
120 Ω
1/4w
120 Ω
1/4w