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7 Detailed Functions
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
7-5 Multi-function Terminal Functions (Group C)
7
• The required parameters vary depending on the selected logic operation output.
Use the following table as a reference to set the necessary parameters.
(Example) To output the result of the AND operation between RUN (During RUN signal: 00) and FA2
(Set frequency exceeded signal: 02) to the multi-function output terminal P2 as a logic output
operation 1 (LOG1) terminal (C022 = 33)
• This signal is enabled only when Modbus communication is selected for RS485 communications.
• Set the Multi-function Output P1 to P5 Selection (C021 to C025) or Multi-function Relay Output (MA,
MB) Function Selection (C026) to 32 (NDc) to allocate the desired signal.
• If a reception timeout error occurs, this signal is output until the next data is received.
• Set the time until the reception timeout in the Communication Error Timeout Time (C077).
• For details, refer to Section 8 Communications Functions.
Selected signal Operand 1 selection Operand 2 selection Operator selection
33: LOG1 (Logic operation output 1) C142 C143 C144
34: LOG2 (Logic operation output 2) C145 C146 C147
35: LOG3 (Logic operation output 3) C148 C149 C150
36: LOG4 (Logic operation output 4) C151 C152 C153
37: LOG5 (Logic operation output 5) C154 C155 C156
38: LOG6 (Logic operation output 6) C157 C158 C159
Item Setting
Multi-function Output P2 Selection (C022) 33: LOG1
Logic Output Signal 1 Selection 1 (C142) 00: RUN
Logic Output Signal 1 Selection 2 (C143) 02: FA2
Logic Output Signal 1 Operator Selection (C144) 00: AND
Communication Disconnection Detection Signal (NDc)
Parameter No. Function name Data Default data Unit
C021 to C025
Multi-function Output P1
to P5 Selection
32: NDc (Communications
disconnection detection)
–
–
C026
Multi-function Relay
Output (MA, MB)
Function Selection
05
C077
Communication Error
Timeout Time
0.00: Timeout disabled
0.01 to 99.99
0.00 s
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