Specifications

Solenoid Valves
The Solenoid Valves provide pneumatic interface to control flow to the
oven sampling and column valves as well as optional control for external
devices. Solenoid Valves are suitable for air, nitrogen and helium on the
pressure side and vacuum on the vent side. The electronic enclosure for
the Maxum II Modular Oven configuration has space for three modules,
one for the left oven, one for the right oven and one for external devices.
Description
There are three configurations of solenoid valves for the Maxum II
Modular Oven. There is a version equipped with 2 solenoid valves (2
Station), a version equipped with 4 solenoid valves (4 Station), and a
version equipped with 8 solenoid valves (8 Station). Each is used for a
different function.
Three Types
• 2 Station: Used for valve control of small analytical oven. This
device is installed on the floor of the electronics enclosure on
either the left or right side, depending on configuration.
• 4 Station: Used for valve control of the large analytical oven.
This device is installed on the floor of the electronics enclosure
on either the left or right side, depending on configuration.
• 8 Station: Used for valve control of external devices, such as
sampling systems. This device is installed on the back right side
wall of the electronics enclosure.
The solenoid valves are actuated via circuitry on the PECM-DC. The
PECM-DC circuitry receives commands from the Embedded Sensor
Near Electronics software on the CIM board (via the internal bus). Pulse
timing is controlled from the electronics.
8 Station 4 Station 2 Station
Figure 2-17: Solenoid Valves in the Modular Oven
2-26 A5E31405710001