Omron RX Series - 3-Wire Input Function (STA, STP, F;R)

5 Basic Settings
5 - 58
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• Use this function to start and stop the inverter via an automatic reset contact such as a pushbutton
switch.
• Set the Multi-function Input S1 to S8 Selection (C001 to C008) to 20 (STA), 21 (STP), and 22 (F/R).
• Set the RUN Command Selection (A002) to 01 (Control circuit terminal block).
• Allocating the terminal STP disables the terminals FW and RV.
• The operation timing is as follows.
5-9-9 3-wire Input Function (STA, STP, F/R)
Parameter
No.
Function name Data Default data Unit
C001 to
C008
Multi-function Input S1 to S8
Selection
20: STA (3-wire start)
21: STP (3-wire stop)
22: F/R (3-wire forward/reverse)
––
Data Symbol Function name Status Description
20 STA 3-wire start
ON Start via automatic reset contact
OFF Independent of motor operation
21 STP 3-wire stop
ON Motor operation enabled
OFF Stop via automatic reset contact
22 F/R 3-wire forward/reverse
ON Reverse
OFF Forward
Required setting A002 = 01
STA (3-wire start)
STP (3-wire stop)
F/R (3-wire forward/reverse)
SC (Input common)
STOP SW
(NC)
RUN SW
(NO)
Direction SW
STA
STP
F/R
Output
frequency
Forward
Reverse
ON
OFF
ON
OFF
OFF
ON