Applications
IDEC SmartRelay Manual 262
Dual-function switch with IDEC SmartRelay
Output Q1 is set for the duration of a preset time T
H
 with a 
pulse signal at input I1.
 
The permanent lighting function is enabled by keeping the 
momentary switch pressed for a specified time T
L
.
8.1.4 Special features and expansion options
Other options for increasing comfort or saving energy are, 
for example:
• A flashing function that indicates that the light is about to 
be switched off automatically.
• You can integrate various central functions:
- Central off
- Central on (panic button)
- Control of all lamps or individual circuits by means of 
a daylight control switch
- Controlling by means of an integrated timer 
(e.g. permanent lighting only until 24.00 h; disabled at 
specific times)
- Automatically switching off the permanent lighting on 
expiration of a preset time (e.g. after 3 hours)
I1
Q1
T
H
 / T
L
Switch:
Lights
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com