Installation & Operation Manual
ECON actuator Fig. 7917EX, type ELSA50 – 260
www.eriks.com
Rev. 0 – April 10
th
, 2019
22
The selection of the fail position, when the input signal fails. Please follow table
below:
5.4 P4 Terminal
P4 is a contact for alarm conduction. If the microprocessor detects that the actuator
has not reached the preset end of the travel stop within 15 seconds, then the
microprocessor conducts P4. It can connect with an alarm or similar devices for
warning.
5.5 Sensitivity Switch Setting (SW2)
Original factory setting is “3”.
When switched to ” 1 ” : The Highest Sensitivity is activated and the 0 - 90 degree
travel is divided up to around 80 movements.
When switched to ” 0 ” : The Lowest Sensitivity is activated and the 0 - 90 degree
travel is divided up to around 17 time’s movements.
5.6 Settings for open and close
These settings are set and calibrated at the factory. Mostly, they do not need
to be recalibrated. Please follow steps below to set when required
.
Input Signal Fully-Open ( 90°)
Fully-Closed ( 0°)
4 - 20 mA
20 mA
4 mA
1 - 5 V
5 V
1 V
2 - 10 V
10 V
2 V
Fail Position
State of Switch
Fully-Open ( 90°)
7 at ON, 8 at OFF
Fully-Closed ( 0°)
7 at OFF, 8 at ON.
The Last Position
7 at ON, 8 at ON.