Specifications

1-2 Introduction
Features of NuDAM-6080
• Two 32 bit counter / frequency input channel
• Two digital output channels of open collector type
• 5000 Vrms isolation voltage for isolated input mode
• External gate control for counter input
• Alarm function with alarm output
• Programmable digital filter for noise rejection
• Programmable threshold setting of trigger level for non-
isolated input mode
• Programmable host watchdog timer for host failure protection
• Internal watchdog timer for device failure protection
• Easy programming by software
• Easy installation and wiring
Specifications of NuDAM-6080
² Interface
• Interface : RS-485, 2 wires
• Speed (bps) : 1200, 2400, 4800, 9600, 19.2K, 38.4K
² Counter Input
• Two independent 32 bit counters
• Input frequency: 100 kHz max.
• Input mode: Isolated or non-isolated
• Isolated input level:
Logic level 0: +1V max.
Logic level 1: +3.5V to +30V
• Isolation voltage: 5000 Vrms
• Non-isolated input level (programmable threshold):
Logic level 0: 0 to +5V (default = 0.8V)
Logic level 1: 0 to +5V (default = 2.4V)
• Input pulse width > 5 µsec.
• Programmable digital noise filter:
4 µsec. to 1.02 msec.
• Alarm comparator on each counter