Motor Controllers AC Variable Frequency Drives Type VariFlex
3
RVLF
176 Specications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 13/12/2017
2.4. Connected with Inverter by Modbus
2.5. Terminating resistors
Communication module setting is regular to be 19200bps of baud rates, 8bit of data bits, and
1bit of stop bits. The parity bits do not exist in this module. The communication protocol is
ModBus RTU and ID is fixed at 1. Refer to the sections of communication parameters and
interface usage in the user manuals of inverter VLF series for more details of communication
setting and wiring.
DeviceNet requires a terminating resistor to be installed at each end of the trunk.
It is controlled by the 2-bit SW2 on the module to set in or not.
Figure 2.5: Installation of Terminal Blocks
Figure 2.6 terminating register RT=120Ω
RT RT
n10
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