Samson 3274 Mounting And Operating Instructions page 42

Start-up
The following functions can be adjusted with the slider switches SW1 to SW4:
Table 7-1: Switch positions and their meaning
Priority operation for actuator stem retracts
Priority operation for actuator stem extends
Direction of action increasing/decreasing (<>)
Direction of action increasing/increasing (>>)
Position feedback signal 4 to 20 mA/2 to 10 V
Position feedback signal 0 to 20 mA/0 to 10 V
SW1: Priority circuit
The slider switch SW1 is used to set the direction of the priority circuit to increasing/increas-
ing (>>) or increasing/decreasing (<>).
SW2: Direction of action
The slider switch SW2 is used to set the direction of action of the actuator.
SW3 and SW4: Position feedback signal
The slider switches SW3 and SW4 are used to determine the position feedback signal.
The position feedback signal can be used for the following ranges:
− 4 to 20 mA or 2 to 10 V
− 0 to 20 mA or 0 to 10 V
7-2
SW1 SW2 SW3
ON
OFF
ON
OFF
ON
OFF
EB 8340 EN
SW4
ON
OFF