I/O Port Bit Assignment
CNT24-4D(PCI)
34
Description of Output Commands
Initial Count Value
(Command CH0:00H:, CH1:05H:, CH2:0AH:, CH3:0FH)
Output a command to output port +0 and set an initial count value
with output port +1. Since the count data consists of 24 bits, the
data is divided by eight bits into three groups for output in the order
of lower, middle, and higher bits. When the third group (the
higher eight bits) is output, all 24-bit data is loaded onto the counter
at once.
The following is an example program to set an initial count value of
100 (64H) for CH0:
OUT Lead a0H, 00H (select CH0 initial count value)
OUT Lead a1H, 64H (lower)
OUT Lead a1H, 00H (middle)
OUT Lead a1H, 00H (higher)
Operation Mode
(Command CH0:01H:, CH1:06H:, CH2:0BH:, CH3:10H)
Output a command to output port +0 and set an operating mode
with output port +1.
RESET…………Clears the bit up/down counter to "000000H."
No counting takes place during RESET=0.
0 : Clear counter.
1 : Count
When the phase Z one-time input is enabled,
phase Z input enabled for one time is set again at
RESET = 0 that follows the clearing to zero.
SEL……………..Toggles pulse input to the counter.
0 : Line Receiver
1 : TTL-level input
Содержание CNT24-4D(PCI)
Страница 1: ...CNT24 4D PCI 24Bit Differencial Up Down Counter Board for PCI User s Guide ...
Страница 29: ...Board Setup CNT24 4D PCI 20 ...
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Страница 66: ...Board Specifications CNT24 4D PCI 57 External Dimensions 176 4 107 0 mm ...
Страница 67: ...Board Specifications CNT24 4D PCI 58 ...
Страница 69: ...A 46 458 LZT0761 021018 001129 ...