Contec CNT32-4MT, Руководство пользователя

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6. About Hardware
CNT32-4MT(LPCI)
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6. About Hardware
This chapter provides hardware specifications and hardware-related supplementary information.
Hardware specification
Tables 6.1 list the hardware specifications of the PC Card.
Table 6.1. Specification < 1 / 2 >
Item Specification
Input
Counter
Channel count 4 channels
Count system Up/down counting
(2-phase/Single-phase/Single-phase Input with Gate Control Attached)
Max. count FFFFFFFFh(binary data, 32Bit)
Input type Unisolated LVTTL level input
Input signal
Phase-A/UP 1 x 4 channels
Phase-B/DOWN 1 x 4 channels
Phase-Z/CLR 1 x 4 channels
Response frequency 10MHz 50% duty
Digital filter 0.1
μ
sec - 1.6384msec or not used
(can be independently set for each channel.)
Timer 1msec - 6553msec 1msec unit
Counter start trigger Software/External start input/Sampling start trigger
Counter stop trigger Software/External stop input/Sampling stop trigger
Sampling
Sampling start trigger Software/External start input/Count match
Sampling stop trigger
Software/External stop input/Specification number/Bus master tranfer
error/Count match
Sampling clock Sampling timer/External clock input
Sampling timer 50nsec - 107sec 25nsec unit(can not be independently set for each
channel.)
External sampling start signal Unisolated LVTTL level input (Select Rise or Fall)
External sampling stop signal Unisolated LVTTL level input (Select Rise or Fall)
External sampling clock
signal Unisolated LVTTL level input (Fall)
Response frequency 10MHz 50% duty
Control
Control input signal type Unisolated LVTTL level input
Control input channel 1 x 4 channels
Control input signal
- Preset(Select Rise or Fall)
- Zero-clear(Select Rise or Fall)
- Counter start/stop(Select Rise or Fall)
- General-purpose input(positive logic)
Software-selected from among the above four options
Response time 100nsec (Max.)
Interrupt event
Count match(8 points), Counter error(2 points), Sampling factor(6
points), Carry/Borrow(1 points), Timer(1 points)