User Manual

12 • Introduction
1.4 Overview of NuDAM-6053
1.4.1 What is NuDAM-6053 ?
NuDAM-6053 provides 16 digital input channels for dry contact or wet
contact signals. The effective distance from DI to contact point is up to
500m for dry contact input.
1.4.2 Features of NuDAM-6053
• 16 bits digital input
• Programmable host watchdog timer for host failure protection
• Internal watchdog timer for device failure protection
• Easy programming by software
• Easy installation and wiring
1.4.3 Specifications of NuDAM-6053
♦ Interface
• Interface : RS-485, 2 wires
• Speed (bps) : 1200, 2400, 4800, 9600, 19.2K, 38.4K, 115.2K
(115.2K only for firmware reversion above A4.00)
♦ Input
• Channel numbers : 16
• Dry Contact:
• Logical level 0 : close to GND
• Logical level 1 : open
• Wet Contact :
• Logical level 0 : +2V max.
• Logical level 1 : +4V ~ + 30V
♦ Watchdog Function
• Module internal watchdog timer : 150ms