Installation & Operation Manual
ECON actuator Fig. 7917EX, type ELSA50 – 260
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Rev. 0 – April 10
th
, 2019
21
When a low signal value is received, the actuator operates towards the fully-open
position and when a high signal value is received, the actuator operates towards the
fully-closed position.
The selection of the fail position while the input signal failed, please follow the table
below:
When S6 is set to
OFF
The program defines 20 mA / 5 V /10 V as a command for fully-open positioning.
The line graph below shows the signal level and the corresponding position of the
actuator.
When a high signal value is received, the actuator operates towards the fully-open
position and when a low signal value is received, the actuator operates towards the
fully-closed position
Input Signal
Fully-Open ( 90°)
Fully-Closed ( 0°)
4 - 20 mA
4 mA
20 mA
1 - 5V
1 V
5 V
2 - 10V
2 V
10 V
Fail Position
State of Switch
Fully-Open ( 90°)
7 at OFF, 8 at ON
Fully-Closed ( 0°)
7 at ON, 8 at OFF
The Last Position
7 at ON, 8 at ON.