Omron SYSDRIVE 3G3MV SERIES User Manual page 135

Basic Operation
Value Function
28 General -purpose input 1
29 General -purpose input 2
30 General -purpose input 3
31 General -purpose input 4
32 General -purpose input 5
33 General -purpose input 6
34 Up or down command
35 Self-diagnostic test
Note Set value 26 is available for 5.5- and 7.5-kW Inverters only.
H Operation in 2-wire Sequence (Set Value: 1, 2)
• The Inverter operates in 2-wire sequence by setting a multi-function input selection to 1 (forward/re-
verse) or 2 (reverse/stop).
• The following diagram shows a wiring example of the terminals in 2-wire sequence.
Forward-rotation
switch
Reverse-rotation
switch
The Inverter will not operate with S1 to S7 sensor input if these p
f functions are set. They are used when you want sensors to provide ti t Th
SYSMAC information via the Inverter for RS422/485 or Option Unit SYSMAC information via the Inverter for RS422/485 or Option Unit
communications (DeviceNet). communications (DeviceNet).
The status of S1 to S7 is constantly refreshed at register 002B The status of S1 to S7 is constantly refreshed at register 002B
regardless of n050 to n056 settings.
Multi-function input monitoring is a useful function for DeviceNet.
Up or down command (set in n056 only)
By setting n056 to 0, the set value in n055 is ignored and the
following settings are forcibly made.
S6: Up command
Acceleration
S6 terminal
ON
(Up command)
S7 terminal
OFF
(Down command)
Note It is impossible to set the up or down command and multi-step
speed references 1 through 4 together.
Note To keep the frequency reference that has been adjusted with
the Up or Down command after the Inverter is turned OFF, set
n100 (Up/Down frequency memory) to 1.
ON: RS-422/485 communications self-diagnostic test (set in n056
only)
The communications function is tested by connecting the
transmission and reception terminals together and checking that
the data received is the same as the transmission data.
Forward/Stop
(Forward rotation with the forward-rotation switch closed)
Reverse/Stop
(Reverse rotation with the reverse-rotation switch closed)
Sequence input common
Description
d h t
S7: Down command
Deceleration
OFF
ON
Chapter 5
p
t id
Hold Hold
OFF ON
OFF ON
j: 1 to 7
5-33