The Agilent/Keysight E8460A is a C-size, 1-slot VXI relay multiplexer delivering 256 channels of fast-action reed relay switching for automated test systems requiring high-density signal routing. Register-based control enables programmable topology configurations from 256×1 to sixteen 16×1 arrangements, supporting two-wire, three-wire, and four-wire measurement setups. Contact protection and minimal crosstalk preserve signal integrity across switching operations.
– Technical Specifications
• Module Format: C-size, 1-slot VXI module
• Switching Technology: Fast-action reed relays
• Channel Count: 256
• Open/Close Time: 0.5 ms maximum
• Maximum DC Voltage: 200 V
• Maximum AC RMS Voltage: 140 V
• Maximum AC Peak Voltage: 200 V
• Maximum Switching Current per Channel: 300 mA
• Maximum General Current per Channel: 100 mA (terminal-dependent)
• Maximum Power per Channel (Resistive Load): 5 VA
– Key Features
• Configurable channel topologies: one 256×1, four 64×1, one 128×2, two 32×4, one 64×3, or sixteen 16×1
• Rapid relay switching for high-speed scanning applications
• Built-in contact protection for extended relay life
• Minimal crosstalk for accurate multi-channel measurements
• Register-based programming for flexible control
– Terminal Block Options
Three terminal block configurations available (ordered separately):
• Option 012: Crimp-and-insert connectors. Connector blocks require replacement after 10,000 hours when switching voltages exceed 60 V DC, 50 V ACrms, or 70.7 V ACpeak.
• Option 014: Fault Tolerant Terminal Block with nine ribbon-cable headers and channel-integrated PTC resettable fuses. Maximum voltage: 60 V DC, 50 V ACrms, or 70.7 V ACpeak.
• Option 015: Ribbon Cable Connector Terminal Block with nine ribbon-cable headers.
– Compatibility & Integration
Analog bus connectivity enables daisy-chaining with additional E8460A modules or compatible measurement modules such as the E1411B. Standard analog bus cable E1400-61605 provides interconnection.
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