AcPC Series Counter/Timer with Quadrature -- AcPC483
from Acromag, Inc.

AcPC482: Ten 16-bit counters – TTL. AcPC483: Four 16-bit counters – TTL, and Four 32-bit counters – RS422. AcPC484: Six 32-bit counters – RS422. Several models with a variety of configurations provide up to ten counter/timer channels for counting events, generating waveform... [See More]

  • Compatibility: TTL; RS422
  • Counter Resolution: 32
  • Number of Counters: 8
  • Maximum Count Frequency: 20000
High Speed Up/Down Counter Board -- CNT-3208M-PE
from CONTEC Co., Ltd.

It is an interface board for PCI Express bus conformity. It can count a pulse signal from an outside device input. 8ch is equipped with 32 bits up/down counter, and high-speed data transmission is possible by the high-speed pulse input (a non-isolation Time To Live level, a differential) to 10MHz at... [See More]

  • Compatibility: TTL; Differential
  • Counter Resolution: 32
  • Number of Counters: 8
  • Maximum Count Frequency: 10000
High-Speed Counter Module -- Model 2208
from Control Technology Corporation

PAC module for 2700 series controllers [See More]

  • Compatibility: TTL; CMOS; 24 V
  • Direction: UP (optional feature); DOWN (optional feature); UP/DOWN (optional feature)
  • Maximum Count Frequency: 1000
  • Computer Bus: Control Tech. Type 2200 Bus