Hitachi SJ Series, User Manual

Page: 191 / 786

12-5-4
Chapter 12
Inverter Functions
12.5.4 Operation with 3 wire function of
terminal block
• Want to make operation with input to the terminal
of the inverter.
• Want to make operation with button switch.
• Want to skip the self-holding circuit of the
operation button.
• Operation start command can be given from [STA]
terminal and stop command from [STP] terminal.
• To use the 3 wire function, the setting of the
operation command selection [AA111] and the
input terminal setting selection [CA-01]-[CA-11]
needs to be changed.
• Select [AA111]=02 3 wire function. In this
example, the 3 wire function is assigned to the
input terminal function in the following way.
*) Set the terminals as the terminal No. 7
[CA-07]=016, No. 8 [CA-08]=017,
No. 9 [CA-09]=018.
Parameters
• The output of the inverter requires not only an
operation command but also a frequency
command.
• The terminal 023 [F-OP] is enabled, the command
destination specified in the [F-OP] function
becomes effective irrespective of the present
setting.
• Operation can be started/stopped by making the
016 [STA]/017 [STP] terminal function ON/OFF on
the control circuit terminal block of the inverter.
• 018 [F/R] terminal function switches forward and
reverse rotations by the contact.
• The terminal action is made in the following way.
Item Parameters Data Description
Operation command
selection
[AA111] 01
Run/Stop from the control circuit
terminal block.
([STA], [STP] terminals)
Input terminal
function selection
[CA-01]~[CA-11]
016 [STA] terminal function
017 [STP] terminal function
018 [F/R] terminal function
Ｑ
Ａ
！
Input terminal
7*)
[STA]
8*)
[STP]
9*)
[FR]
A
COM
ON
OFF
OFF ON
Forw
ard
Reve
rse
STA
STP
F/R
Output
speed