Electrical Installation 2 - 15
DIP Switch S1
DIP Switch S1 is described in this section. The functions of DIP switch S1 are shown in Table 2.9.
Fig 2.4 DIP Switch S1 Location
Table 2.9 DIP Switch S1
Name Function Setting
S1-1 RS-485 and RS-422 terminating resistance
OFF: No terminating resistance
ON: Terminating resistance of 110Ω
Factory Default = OFF
S1-2 Input method for analog input A2
OFF: 0-10 Vdc (internal resistance: 20KΩ)
ON: 4-20mA (internal resistance: 250Ω)
Factory Default = ON
S1
1
Terminating
resistance
DIP Switch S1 located on
terminal board.
2
1
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