AX92352/AX92353 2-CH Encoder Card with Real-time Trigger I/O
2
Introduction
1.3
Specifications (AX92352)
Isolated encoder input
Number of channels: 2
Support mode: incremental quadrature encoder input (A/B/Z phase, x1/4 x1/3 x1/2
x1 x2 x4 mode)
Type of wiring: differential or single-ended 5V, 12V open collector
Frequency input: Max. 1MHz
Data length: 32-bit
Digital filter: supports programmable de-bounce filter (disable, 500ns, 1us, 2us,
4us)
Operating mode: Linear function, FIFO, Position latch
Encoder FIFO
Number of channels: 2
FIFO depth: 1024x32-bit
Interrupt type: Empty/ Almost Empty
(Almost empty: FIFO data number is less than 1/3)
Auto reload: Yes. After compared, the next FIFO data will reload to FIFO storage.
Encoder Linear Function
Number of linear functions: 4
Two linear functions per encoder channel
Start point: 32-bit
Repeat Times: Trigger repeat times. (31-bit)
Interval: The linear interval (15-bit)
Direction: 1-bit
Auto reload: Yes. After compared, the next data will reload to linear storage.
Isolated trigger input
Number of channels: 4
Type: sink
Input voltage: on (logic 1): 3.3~30VDC, off (logic 0): 0~2VDC
Response time: <1us (from trigger input to trigger output)
Input filter: supports programmable de-bounce filter (disable, 100us, 500us, 1ms,
5ms)
Isolated trigger output
Number of channels: 4
Output voltage: 0-30VDC, sink, open collector
Output current: Max. 100mA per channel
Response time: <1us (from trigger input to trigger output)