Communication port(s) EtherCAT Slave Type of module Digital I/O I/O connection type e-Con (plug not included) Connection method 3-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 16 Number of IOG (V-) terminals 16 Number of COM terminals 0 I/O system None Degree of protection (IP) IP20 Product Height (unpacked) 52 mm Product Width (unpacked) 115 mm Product Depth (unpacked) 43.85 mm Product Weight (unpacked) 140 g