
1. Before Using the Product
CNT16-8(FIT)GY, CNT16-8L(FIT)GY
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1.
Before Using the Product
This chapter provides information you should know before using the product.
About the
Module
This product is an expansion module (device module) that up-counts pulse signals input from an external
device. The product is used in combination with the I/O controller module < CPU-CAxx(FIT)GY > (*1)
or microcontroller unit < CPU-SBxx(FIT)GY > (*1) in the F&eIT Series.
Each < CNT16-8(FIT)GY > module can count a maximum of eight pulse signals. The pulse signals are
input via opto-couplers. The external power supply can be in the range 12 - 24 VDC.
The < CNT16-8L(FIT)GY > has the same count function as the < CNT16-8(FIT)GY > but operates on a
5 VDC external power supply.
Please read this manual carefully to create application programs and configure the system, such as
setting the switches and connecting it to external devices.
*1 The "x" in a model code represents a single digit (or no digit) indicating different products. (The
same convention applies below).
Features
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Performs a 16-bit up-count for eight channels.
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Isolated from each other by an opto-coupler, offering good noise immunity.
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A digital filter is included to prevent miscounting due to chattering on the input pulses.
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A rotary switch allows you to set device IDs to help you keep track of device numbers.
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Like other F&eIT series products, the module has a 35mm DIN rail mounting mechanism as
standard. A connection to a controller module can be effected on a lateral, stack basis in a unique
configuration, which permits a simple, smart system configuration without the need for a backplane
board.