Schneider SR2E121BD Description Description Schneider 24VDC, 8 DI / 4 RO module, incl clock & 2 config analog in. Related products SCHNEIDER TSX1723428 SCHNEIDER TSXMFP032P SCHNEIDER TSXETZ410 SCHNEIDER TSXMFPP224K SCHNEIDER TSXPSY5520 SCHNEIDER TSXDMZ28DTK