The EX1200-2008H is a high voltage multiplexer module designed for Electrical safety testing, Insulation testing kind of applications whose voltage levels exceed standard 300 V level. EX1200-2008H is designed to switch voltages up to 1000 V, at power levels up to 25 VA. Each card contains three banks of 10x1 multiplexers. This makes it highest density module in its class capable of switching signals to 1000 V. The EX1200-2008 can be mixed and matched with other EX1200 series plug-in modules in a single mainframe to construct a
flexible mixed-signal switching subsystem.
The EX1200-2008H has been designed for applications requiring high-voltage signal
switching. When switching high voltages, the need for signal shielding becomes critical. This
module has been designed to include large shield planes to reduce crosstalk and voltage
spikes to adjacent channels.
For ATE applications, such as switching high-voltage source measure units, or power
supplies, a fail-safe interrupt line (TTL-logic) is provided on the front panel. A change in state
on this input pin can be used to create a fault condition and force all relays to their open
state. This approach provides an additional layer of safety in the event that an adapter is
removed by a technician while voltage is still present at the interface panel.