Communication port(s) EtherCAT Slave Type of module Digital I/O I/O connection type Screw Connection method 1-wire Number of digital inputs 16 Digital input type NPN Permitted voltage at input 0-26.4 V Number of digital outputs 0 Digital output type None Short-circuit protected outputs Number of IOV (V+) terminals 1 Number of IOG (V-) terminals 1 Number of COM terminals 0 I/O system I/O Expansion Link Degree of protection (IP) IP20 Product Height (unpacked) 52 mm Product Width (unpacked) 135 mm Product Depth (unpacked) 57.1 mm Product Weight (unpacked) 180 g