Pulse acquisition for 3 or 6 incremental encoders

PA 1700-2

• Acquisition of incremental encoders , frequency measurement, pulse width measurement
• Possible configuration:
  - 3 channels with differential or TTL inputs,
  16- or 32-bit counting depth, on the front connector
   - 3 additional channels with TTL inputs,
   16-bit counting depth on 1 connector for ribbon cable
• Automatic recognition of direction
• Mode with single, double or quadruple resolution
• Frequency measurement 10 MHz in direct mode, 2.5 MHz in quadruple mode
• 3 "reference" input channels with reference logic
• 3 "error" input channels for error signals, external strobe inputs
• Detection of line break in differential mode
• Software or hardware reset
• 3 x 16-bit timers (82C54)
• Interrupt with timer or through external strobe of the counters
• Parallel TTL I/O port, 24 I/O
• AT board with 16-bit access
• Overvoltage protection
• All input channels with EMI or RC filters