GEM 600 User Manual

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600, 630
11.2 Control functions
The following control functions are available:
Control function 1
Normally closed (NC):
Valve resting position: closed by
spring force. Activation of the actuator
(connector 2) opens the valve. When the
actuator is vented, the valve is closed by
spring force.
Control function 2
Normally open (NO):
Valve resting position: opened by
spring force. Activation of the actuator
(connector 4) closes the valve. When the
actuator is vented, the valve is opened by
spring force.
Control function 3
Double acting (DA):
Valve resting position: no defi ned normal
position. The valve is opened and closed
by activating the respective control
medium connectors (connector 2: open /
connector 4: close).
Connector 2
Connector 4
Connector 2
Control
function
Connectors
24
1 (NC) + -
2 (NO) - +
3 (DA) + +
+ = available / - = not available
(for connectors 2 / 4 see pictures on the left)
11.3 Connecting the
control medium
Important:
Connect the control medium
lines tension-free and without any
bends or knots! Use appropriate
connectors according to the
application.
Thread size of the control medium
connectors: G1/4
Control function Connectors
1 Normally closed (NC) 2: Control medium (open)
2 Normally open (NO) 4: Control medium (close)
3 Double acting (DA)
2: Control medium (open)
4: Control medium (close)
For connectors 2 / 4 see pictures on the left
11.4 Optical position indicator
GEMÜ 600
Valve open Valve closed
The diaphragm valve is equipped with an
optical position indicator.
Function principle of the position
indicator:
G
When opening the valve, the internal red
position indicator (grey) is pressed upwards
and pushed over the black frame ( black ).
Valve open: indicator is red
Valve closed: indicator is black

GEM 600 Specifications

General

Brand	GEM
Model	600
Category	Control Unit
Language	English