Table of Connector-Terminal Block Conversion Units and connectable device combinations (Continued on next page.) 9 NX I/O Units Connection pattern XW2Z connection cable *1 XW2 Connector-terminal block conversion units *2 I/O capacity Model External connectors Polarity Connection Model Quantity required Model Quantity required Output Units 16 outputs NX-OD5121-5 1 MIL connector (20) NPN A 1:1 XW2Z-@@@X 1 XW2B-20G4 1 1:1 XW2Z-@@@X 1 XW2B-20G5 1 1:1 XW2Z-@@@X 1 XW2D-20G6 1 NX-OD5256-5 1 MIL connector (20) PNP 1:1 XW2Z-@@@X 1 XW2B-20G4 1 1:1 XW2Z-@@@X 1 XW2B-20G5 1 1:1 XW2Z-@@@X 1 XW2D-20G6 1 32 outputs NX-OD6121-5 1 MIL connector (40) NPN A 1:1 XW2Z-@@@K 1 XW2B-40G4 1 1:1 XW2Z-@@@K 1 XW2B-40G5 1 1:1 XW2Z-@@@K 1 XW2D-40G6 1 C 1:2 XW2Z-@@@N 1 XW2B-20G4 2 1:2 XW2Z-@@@N 1 XW2B-20G5 2 1:2 XW2Z-@@@N 1 XW2C-20G6-IO16 2 1:2 XW2Z-@@@N 1 XW2D-20G6 2 NX-OD6256-5 1 MIL connector (40) PNP A 1:1 XW2Z-@@@K 1 XW2B-40G4 1 1:1 XW2Z-@@@K 1 XW2B-40G5 1 1:1 XW2Z-@@@K 1 XW2D-40G6 1 C 1:2 XW2Z-@@@N 1 XW2B-20G4 2 1:2 XW2Z-@@@N 1 XW2B-20G5 2 1:2 XW2Z-@@@N 1 XW2C-20G6-IO16 2 1:2 XW2Z-@@@N 1 XW2D-20G6 2 NX-OD6121-6 1 Fujitsu connector (40) NPN A 1:1 XW2Z-@@@B 1 XW2B-40G4 1 1:1 XW2Z-@@@B 1 XW2B-40G5 1 1:1 XW2Z-@@@B 1 XW2D-40G6 1 C 1:2 XW2Z-@@@L 1 XW2B-20G4 2 1:2 XW2Z-@@@L 1 XW2B-20G5 2 1:2 XW2Z-@@@L 1 XW2C-20G6-IO16 2 1:2 XW2Z-@@@L 1 XW2D-20G6 2