Omron MX2 Series - 3-Wire Input Function (STA, STP, F;R)

5 Basic Settings
5 - 53
Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
5-9-9 3-wire Input Function (STA, STP, F/R)
• Use this function to start and stop the inverter via an automatic reset contact such as a pushbutton
switch.
• Allocate the Multi-function Input 1 to 7 Selection (C001 to C007) to 20 (STA), 21 (STP), and 22
(F/R).
• Set the 1st/2nd RUN Command Selection (A002/A202) to 01 (Control circuit terminal block).
• Allocating the terminal STP disables the terminals FW and RV.
• To capture the ON/OFF status reliably, the ON or OFF status must continue for twice the set value of
the input terminal response time (C160 to C166). If the input terminal response time is the default,
ensure that the status continues for 2 ms.
• The operation timing is as follows.
STA
STP
F/R
Output
frequency
OFF
ON
OFF
OFF
ON
ON
5
5-9 Multi-function Input Settings
5-9-9 3-wire Input Function (STA, STP, F/R)
Parameter
No.
Function name
Data
Default data
Unit
A002/A202
1st/2nd RUN Command
Selection
01: Control circuit terminal block
(DriveProgramming)
02
−
C001 to
C007
Multi-function Input 1 to 7
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