Lenze MC−ISI - Handbuch (Seite 30)

5 Electrical installation
MA_MCISI DE/EN 3.0
30
l
H1_E_INST−HIN_Verdrahtung_RS422/485
Configuration
DIP switch for setting the mode:
DIP switch Description
1 2 3 4
ON
Pos. 1 = ON: RS485 mode
Pos. 2 = ON: RS422 mode
Pos. 3 = ON/OFF: four−wire conductor/two−wire conductor (only relevant
for RS485 mode)
Pos. 4 = ON/OFF: echo function activated/deactivated (only relevant for
RS485 mode + two−wire conductor)
MC−ISI_004
Set the mode:
Mode DIP switch setting
RS485 mode, two−wire conductor, deactivated echo function
(default)
RS485 mode, two−wire conductor, activated echo function
RS485 mode, four−wire conductor
RS422
Pos. 1 = ON
Pos. 1+4 = ON
Pos. 1+3 = ON
Pos. 2 = ON
)
Note!
ƒ If switch 1 = ON (RS485), switch 2 must be set to OFF;
if switch 2 = ON (RS422), switch 1 must be set to OFF.
ƒ The echo function monitors the RS485 bus for collisions.