Omron ZEN User Manual

54
Wiring Section 2-2
(3) Inrush Current Considerations
When switching a load with a high inrush current in the ZEN relay
output or transistor output model, such as an incandescent lamp,
suppress the inrush current as shown below.
(4) Fuse Insertion
The ZEN with transistor output may burn if the load is short-circuited,
therefore, insert a protective fuse in series to the load.
R
R
Countermeasure 1
Providing a dark current of
approx. one-third of the rated
value through an incandescent
lamp
Countermeasure 2
Providing a limiting resistor
Z211-E1-03.book Page 54 Friday, November 21, 2008 10:38 AM

Omron ZEN Specifications

General

Display	LCD
Mounting Type	DIN Rail
Operating Temperature	-10 to 55°C
Power Supply Voltage	100-240V AC
Output Type	Relay, Transistor
Number of Outputs	4-8
Programming Language	Ladder Logic