DC522: S500 Digital input/output module. 16 configurable DI/DO: 24VDC 0.5A. 8 aux. terminals 0 V. 8 aux. terminals 24VDC. 2..3 wire.
TU515: S500 I/O terminal unit. For analog and 24 VDC digital modules. Screw terminals.
DC523: S500 Digital input/output module. 24 configurable DI/DO: 24VDC 0.5A. 4 aux. terminals 0 V. 4 aux. terminals 24VDC. 2..3 wire.
DC532: S500 Digital input/output module. 16 DI: 24VDC. 16 configurable DI/DO: 24VDC 0.5A. 1-wire.
DX522: S500 Digital input/output module. 8 DI: 24VDC. 8 DO relay: 230VAC 3A. 2..3 wire.
DX531: S500 Digital input/output module. 8 DI: 115..230VAC. 4 DO relay: 230VAC 3A. 2-wire
DX571: S500-eCo Digital input/output module. 8 DI sink/source: 24VDC. 8 DO relay: 120..240VAC 2A. 1-wire.
TU516: S500 I/O terminal unit. For analog and 24 VDC digital modules. Spring terminals.
DX561: S500-eCo Digital input/output module. 8 DI sink/source: 24VDC. 8 DO: 24VDC 0.5A. 1-wire.