EX1200-3048S - 48 Channel, 250 V FET Multiplexer

EX1200-3048S - 48 Channel, 250 V FET Multiplexer
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Main features
  • High-density solid-state multiplexer (up to 288 two-wire channels in a 1U footprint)
  • On/off switching < 500 μs
  • Switch up to 250 VAC / 250 VDC, highest for a solid state switch module in its class
  • Configure as 2- or 4-wire multiplexers
  • Optically isolated design
  • Supports thermocouple, RTD, and thermistor measurements
  • Optional screw-terminal junction box includes built-in cold-junction compensation
  • Direct routing to DMM through internal analog measurement bus simplifies field wiring

The EX1200-3048S is a high-density FET multiplexer module designed for scanning of multiple points to a common bus in either 2- or 4-wire configurations. The solid-state design delivers maximum switching speed and near infinite life. Up to 288 two-wire (or 144 four-wire) channels can be accommodated in a single EX1200 full rack mainframe for maximum density or mixed and matched with other EX1200 plug-ins for flexibility.

Typical applications include temperature and voltage data acquisition and datalogging at up to 1000 scans per second. The EX1200-3048S consists of dual (1×24) 2-wire multiplexer banks. Each bank can be interconnected within a module under program control (via bussing relays) and across modules via the EX1200 analog bus to configure larger multiplexers as required. This eliminates external wiring and helps reduce unterminated stubs.

An optional terminal block provides screw termination points for external field wiring. This terminal block also includes cold junction compensation reference for more precise temperature measurements.

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