Siemens 6ED1055-1MA00-0BA2 / Siemens 6ED1055-1MM00-0BA2 / Siemens 6ED1055-1MD00-0BA2 are LOGO! 8 analog expansion modules with three distinct system duties. AM2 receives voltage or current measurements, AM2 AQ converts program values into two analog commands, and AM2 RTD acquires resistance signals from Pt100 or Pt1000 temperature sensors.
Signal direction separates Siemens 6ED1055-1MA00-0BA2 / Siemens 6ED1055-1MM00-0BA2 / Siemens 6ED1055-1MD00-0BA2 inside the controller. AM2 and AM2 RTD condition connected sensor circuits and send digitalized values to the LOGO! program; AM2 AQ takes program output values and produces the selected voltage or current signal for the downstream receiver.
Wiring choices on Siemens 6ED1055-1MA00-0BA2 / Siemens 6ED1055-1MM00-0BA2 / Siemens 6ED1055-1MD00-0BA2 complete each measurement or command path. Current channels need a continuous supply-and-return loop, voltage channels use the assigned reference, and RTD channels must match the configured sensor type and two- or three-wire arrangement so conductor resistance is handled correctly.
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