Veichi SI21, Руководство пользователя

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SI21 Solar Pump VFD Manual
9
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Function Specification of Switch Terminals
Bit
Select
location
Function Description
S1
ON Enable AO output 0V
～
10V
OFF Disabling AO voltage output
S2
ON Enable AO output 0mA
～
20mA or 4mA
～
20mA
OFF Disabling AO current output
S3
ON
RS485 communication access 120Ω termination resistor
OFF
RS485 communication disconnects 120Ω termination resistor
S4
I AI input 0mA
～
20mA or 4mA
～
20mA
U AI input 0V
～
10V