- 2 digital outputs or high/low alarms
- 2 independent 32-bit counters
- 2500 VRMS isolation
- Counter preset selection
- Programmable digital filter
- Programmable threshold for non-isolated input
Advantech ADAM-4080 2-ch Counter/Frequency Module


Advantech's ADAM-4080/4080D is a Counter/frequency input module with 2 x 32-bit counter input channels (counter 0 and counter 1) with built-in programmable timer for frequency measurement. The module has 2 digital outputs or high/low alarms, a programmable digital filter and programmable threshold for non-isolated input.
- Connectors: 2 x plug-in terminal blocks (#14 ~ 22 AWG)
- Power Consumption: 2.0 W @ 24 VDC
- Watchdog Timer: System (1.6 second)
- Supported Protocols: ASCII command
- Counter Input
- Channels: 2 independent counters (32-bit + 1-bit overflow)
- Input Frequency: 50 kHz max.
- Input Pulse Width: >10 μs.
- Input Mode: lsolated or non-isolated
- Isolated Input Level: Logic level 0: 1 V max. / Logic level 1: 3.5~30 V
- Isolation Voltage: 2,500 VRMS
- Non-isolated Input Level: Programmable threshold: Logic level 0: 0.8 Vmax. Logic level 1: 2.4 ~ 5.0 V
- Maximum Count: 4,294,967,295 (32-bit)
- Preset Type: Absolute or relative
- Programmable Digital Noise Filter: 2 μs ~ 65 ms
- Alarm: Alarm comparators on each counter
- Frequency Measurement Range: 5 Hz ~ 50 kHz
- Programmable Built-in Gate Time: 1 or 0.1 second
- Digital Output
- Channels: 2, open collector to 30 V, 30 mA max. load
- Power Dissipation: 300 mW for each channel