VTI Instruments Corp.
106
EX1200-5002Plug-in Module
EX1200-5002
P
LUG
-
IN
M
ODULE
32-C
HANNEL
,
2
A
MP
F
ORM
C
(SPDT)
S
WITCH
The EX1200-5002 is a high-density general purpose 2 A switch module designed for systems
where individual relays can be used to route signals to/from the units under test (UUT), or
combined externally to form user-defined configurations. These relays are commonly used to
create complex signal distribution networks that can be reconfigured through different wiring in
test adapters. For example, three relays on a -5002 module can be configured as a SP4T tree, and
seven relays can be configured as a SP8T tree. Up to 192 individual SPDT or 384 SPST relays can
be accommodated in a 1U EX1200 mainframe for maximum density. The modules can also be
configured with other EX1200 series switch modules as part of a flexible system switch design.
Since these modules may be used to switch power to the UUT or interface, the digital input lines
on the EX1200 series mainframes support the ability to force all relays automatically to their
normally open state if a fault condition occurs. This approach instantly removes all power to the
UUT or interface. These modules can be automatically configured in the setup phase at the
beginning of each scan step to facilitate test sequencing and control.
The EX1200-5002 can be controlled programmatically using IviSwtch-compliant calls. Both path
level programming and individual relay control are available. Refer to the host driver
documentation for additional details.
373H
Figure 4-4 provides a logical diagram of the switch module
and identifies the switches used by the module. This information can be used for individual relay
control through the driver.
C
ONNECTOR
P
INS AND
S
IGNALS
F
IGURE
4-43:
EX1200-5002
F
RONT
P
ANEL
(F
RONT
V
IEW
)
Summary of Contents for EX1200 Series
Page 166: ......
