ND-6053 16-CH Digital Input Module CharacteristicsDownloadTechnical specificationsCharacteristics Channels: 16x Digital Input Channels: 16x DI: Logical 0: close to GND; Logical 1: open; Effective distance: 500m Wet contact: TTL level Programmable input polarity Get a quote DownloadDownloadQuick-Start-Guide-ND-6053User-Manual-ND-6053-Rev3.51ND-6053Technical specificationsTechnical specifications Channels: 16 DI Dry Contact: - Logical 0: close to GND; - Logical 1: open; - Effective distance: 500m Wet contact: TTL level Programmable input polarity CharacteristicsDownloadTechnical specifications