ISA Encoder Interface A164

Specifications

Encoder Input : 3 channels differential or single ended (TTL) quadrature count pulses. Optional scale marker pulses. Digital noise filter on each count input.

Bus 8 bit ISA (PC expansion bus). Relocatable anywhere within I/O address range. 16 bytes required.

Touch probe Normally Closed switch. Maximum closed resistance 2000 ohms.

Count range 24 bits per channel.

Count frequency up to 4,000,000 counts/sec.

 

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