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Serial > Digital I/O & Counter/Timer

Serial 48 Ch Digital I/O & Counter/Timer Units

  • Connects via RS232 or RS485
  • 6x 16-bit Counter/Timers (82C54)
  • 48 Digital I/O lines (6/12 x 8-bit ports) - TTL level
  • I/O Connector: 3x DB25 Male
  • LED indication of power
  • Ideal for Portable/Laptop Applications
  • Housing: Plastic ABS with rubber feet
  • Operating Temp: 0 to 70C
  • O/S Support for Windows 98/ME/XP/2000 & Linux
  • Includes EDRE SDK
  • Includes WaveView for Windows Data Acquisition Software Application
  • Power: 9VDC Operation (2.1mm DC socket)
  • Supplied with a 1A 9VDC external PSU
  • Power Consumption: 400mA max
  • Dimensions: 45(H) x 80(W) x 148(L) mm
  • Supplied with EDR Enhanced Software & Universal Switch Mode 9V PSU

The MicroDAQ SRL-48C is a counter/timer product with a serial interface. They feature six 16-bit counter/timers and 48 programmable digital I/O channels. Based on the industry standard TTL 82C54 & 82C55 devices.

Two interface versions are available for the serial MicroDAQ range, these include RS-232 models and RS-485 models. The RS-232 models are best suited for short distances (up to 30 meters). The RS-485 models allow for long distance data transmission (up to 1200 meters). These RS-485 models are ideally suited for process control applications in a plant or industrial environment, which require long cable runs.

Counter/timers can be used for frequency measurements, pulse counting, pulse width modulation, and pulse generation. The counter/timers can also be programmed to generate events at specific intervals. This can be useful for time interval generation.

The 48 TTL level digital I/O channels can be programmed as inputs or outputs in banks of 8. This digital I/O product is ideal for use in the connection between a computer and the outside world. Allowing computer programs not only to sense real-world events but control them as well. Applications include man-machine interfacing, driving high power loads, sensing switch contact closures and much more.

Included Installation Kit (SRL-RS232-AC)

  • 1 x Universal AC PSU (9V)
  • Serial Cable (1.8 m; F-F)

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Ordering Information

Item    Description    Price    Qty
SRL-48C-RS232    RS232 48 Channel DIO Unit with 6 Counter/Timers & 2m RS232 cable    £ 413.00
€ 533.11
$ 599.00
SRL-48C-RS485    RS485 48 Channel DIO Unit with 6 Counter/Timers & ADPT-9    £ 415.00
€ 534.89
$ 601.00

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