ES58 • EM58 MODBUS®
4.5.3 Termination resistor (Figure 3)
WARNING
Power supply must be turned off before performing this operation!
Use the RT DIP switch to activate or deactivate the bus termination. The bus
termination resistor must be activated as line termination in the first or the last
device of the transmission line (both at the beginning and the end of the
communication bus).
RT
Description
1 = 2 = ON
Activated: when the device is either the first
or the last of the transmission line
1 = 2 = OFF
Deactivated: when the device is neither the
first nor the last of the transmission line
MAN ESx58x_EMx58x MB E 1.3
Electrical connections
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