Schneider SR2B121BD Description Description Schneider 24VDC, 8 DI / 4 RO module, Incl clock & 4 config analog in. Related products SCHNEIDER TSXAEY1614 SCHNEIDER TSXPSY1610 SCHNEIDER TSXPSY5520 SCHNEIDER TSX1724012 SCHNEIDER TSX1722028 SCHNEIDER TSXDMZ28DTK
