IDEC SmartRelay functions
IDEC SmartRelay Manual 206
4.4.24 Softkey
Short description
This special function has the effect of a mechanical pushbut-
ton or switch.
Factory setting
The default setting at ‘Par’ is ‘Momentary pushbutton’ action.
Symbol in
IDEC 
SmartRelay
Wiring Description
Input En Output Q is set with a 0 to 1 
transition of the signal at in-
put En (Enable), and if 
‘Switch=On’ was confirmed 
in parameter assignment 
mode.
Parameter Programming mode
: 
Selecting the function for 
pushbutton action for the du-
ration of one cycle, or for 
switching action.
Start:  On or off state, initial-
ized at the first start of 
the program if retentiv-
ity is disabled.
Retentivity:  
/ = No retentivity 
R = The status is retentive.
Parameter assignment mode 
(RUN mode): 
Switch: Switches the mo-
mentary pushbutton or 
switch on or off.
Output Q Switches on if En=1 and 
Switch=On was confirmed 
with OK.
En
Par
Q
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com