Omron SYSDRIVE 3G3MV-A2001, User Manual

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5-33
Value Description Function
28 General -purpose input 1 The Inverter will not operate with S1 to S7 sensor input if these
f
ti t Th d h t t id
29 General -purpose input 2
p p
functions are set. They are used when you want sensors to provide
SYSMAC information via the Inverter for RS422/485 or Option Unit
30 General -purpose input 3
SYSMAC information via the Inverter for RS422/485 or Option Unit
communications (DeviceNet).
31 General -purpose input 4
communications (DeviceNet).
The status of S1 to S7 is constantly refreshed at register 002B
32 General -purpose input 5
The status of S1 to S7 is constantly refreshed at register 002B
regardless of n050 to n056 settings.
33 General -purpose input 6
Multi-function input monitoring is a useful function for DeviceNet.
34 Up or down command 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 S7: 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.
Acceleration
S6 terminal
(Up command)
Deceleration Hold Hold
ON OFF OFF ON
S7 terminal
(Down command)
OFF ON OFF ON
35 Self-diagnostic test 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.
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
Forward/Stop
(Forward rotation with the forward-rotation switch closed)
Reverse/Stop
(Reverse rotation with the reverse-rotation switch closed)
Sequence input common
j
: 1 to 7
Basic Operation
Chapter 5