Applications
281
IDEC SmartRelay Manual 
Components used
• K1 contactor relay open
• K2 contactor relay close
•S0 (normally open contact) cord operated switch open
•S1 (normally open contact) cord operated switch close
•S2 (normally open contact) OPEN pushbutton
•S3 (normally open contact) CLOSE pushbutton
•S4 (normally closed contact) position sensor  
GATE IS OPEN
•S5 (normally closed contact) position sensor 
GATE IS CLOSED
•S6 (normally closed contact) Safety bar
Master control system
• Q5 position sensor  
GATE IS OPEN
• Q6 position sensor  
GATE IS CLOSED
• I9 external pushbutton  
OPEN GATE
• I10 external pushbutton  
CLOSE GATE
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com