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1. Before Using the Product
This chapter provides information you should know before using the product.
About the Board
The CNT24-4(PCI)H is a PCI bus-compliant interface board that counts input pulse signals from
external devices.
The CNT24-4(PCI)H has four channels of 24-bit up/down counters, allowing external devices such as a
rotary encoder and a linear scale to be connected. Given below are examples of using the board for
"detecting a position of the table of a machine tool" and "detecting a change in weight".
The pulse signal inputting interface is photo coupler isolated or TTL-level input.
Using the bundled driver library [API-PAC(W32)], you can create Windows application software for
this board in your favorite programming language supporting Win32 API functions, such as Visual Basic
or Visual C/C++.
< Example >
- Detecting a position of the table of a machine tool
CNT24-4(PCI)H
RelayBOX
Features
-
It is equipped with four channels of 24-bit up/down counters.
-
The board can count two-phase signals, which can be outputs of some rotary encoders and linear
scales
-
You can select either a photo coupler isolated input or a TTL-level input for each channel by
software command.
-
Each channel can generate an interrupt request signal and a one-pulse output signal when the count
data matches a pre-specified value.
-
The board is equipped with a programmable timer to allow interrupts to be generated periodically
according to a specified timer value.
Each Channel is equipped with a general-purpose input signal (both photo coupler and TTL-level).
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CNT24-4(PCI)H
Tool
Processing thing
Linear Scale
Power supply
1. Before Using the Product
- Detecting a change in weight
CNT24-4(PCI)H
Power supply
Rack
Encoder
1
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