6. About Hardware
CNT24-4(PCI)H
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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 board.
Table 6.1. Specification
Item
Specification
Counter Input
Number of Channels
4 Channels
Count system
Up/down counting
Max. count
FFFFFFH (binary data)
Counter input type
Photo coupler isolated input or TTL-level input
Counter input signal
Phase-A/UP 1 x 4 channels
Phase-B/DOWN 1 x 4 channels
Phase-Z/CLR 1 x 4 channels
General-purpose input 1 x 4 channels
Input register
220
Ω
(photo coupler insulation) or more, 1TTL loading (TTL-level)
Input protection circuit
None
Response frequency
Photo coupler isolated input 500KHz duty 50% (Max.)
TTL-level input 1MHz duty 50% (Max.)
Interrupt level
One interrupt caused upon channel count match or timer time-out
External power
5V - 12VDC ±10% Min. 400mA
(Required for photo coupler isolated input)
Photo coupler input
current
Photo coupler primary current 15 - 25mA
Digital filter
0.1
µ
sec - 1056.1
µ
sec (can be independently set for each channel.)
Timer
1msec - 200sec
Match signal output
Output point
1 x 4 channels
Output type
Photo coupler isolated open collector output
Output rating
35VDC, 50mA(Max.) (per 1 point)
Output signal width
0 - 104.45msec (All channels)
Output protection circuit
None
External power
5V - 12VDC±10%
Common
I/O address
8 bits x 32 ports boundary
Power consumption
5VDC 250mA Max.
Operating condition
0 - 50°C, 10 - 90%RH (No condensation)
PCI bus specification
32bit, 33MHz, Universal key shapes supported *1
Dimension (mm)
176.41(L) x 105.68(H)
Weight
130g
*1 This board requires power supply at +5V from an expansion slot (it does not work on a machine with a +3.3V power
supply alone).