Keysight M9131A Startup Manual

Contents

Keysight M9131A Startup Manual Manual pdf 26 page image

25 Keysight PXI General Purpose Switch Modules Startup GuideModule Front Panel Connectors And System ConnectionsM9131A PXI SPDT Switch: 64 channelsKeysight's M9131A switch module is an array of 64 single pole, double throw(Form C) relays. In the default (not energized) state, all signal paths are betweenthe COM terminal and the corresponding Normally Closed (NC) terminal.Energizing a relay disconnects the NC terminal and creates a signal pathbetween the COM and NO terminals. The modules uses reed relays (Rutheniumsputtered type), that offer very long life with good low level switchingperformance and excellent contact resistance stability.Connections to the modules are through a high density 200 pin Low Force Helix(LFH) connector.M9131A Connector Pinout Figure 3 and the associated table lists the frontpanel 200 pin D female connector (viewed from the module front) and pinconnections. Table 2 lists the pin out by channel number.