Delta C200 Series User Manual page 305

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14.5.1 Devices Functions
The Function of Input/output Contacts
The function of input contact X: input contact X reads input signal and enter PLC by connecting with
input equipment. It is unlimited usage times for contact A or contact B of each input contact X in
program. The On/Off of input contact X can be changed with the On/Off of input equipment but can't
be changed by using peripheral equipment (WPLSoft).
The Function of Output Contact Y
The mission of output contact Y is to drive the load that connects to output contact Y by sending
On/Off signal. There are two kinds of output contact: one is relay and the other is transistor. It is
unlimited usage times for A or B contact of each output contact Y in program. But there is number for
output coil Y and it is recommended to use one time in program. Otherwise, the output result will be
decided by the circuit of last output Y with PLC program scan method.
X0
X10
Value, Constant [K] / [H]
K
Constant
H
There are five value types for DVP-PLC to use by the different control destination. The following is
the explanation of value types.
Binary Number (BIN)
It uses binary system for the PLC internal operation or storage. The relative information of binary
system is in the following.
Bit
Nibble
Byte
Word
Double Word
The relations among bit, nibble, byte, word, and double word of binary number are shown as follows.
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1
Y0
Y0 is repeated
2
Y0
Decimal
Hexadecimal
Bit is the basic unit of binary system, the status are 1 or 0.
It is made up of continuous 4 bits, such as b3~b0. It can be used to
represent number 0~9 of decimal or 0~F of hexadecimal.
It is made up of continuous 2 nibbles, i.e. 8 bits, b7~b0. It can used to
represent 00~FF of hexadecimal system.
It is made up of continuous 2 bytes, i.e. 16-bit, b15~b0. It can used to
represent 0000~FFFF of hexadecimal system.
It is made up of continuous 2 words, i.e. 32-bit, b31~b0. It can used to
represent 00000000~FFFFFFFF of hexadecimal system.
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Chapter 14 PLC Function |C200 Series
The output of Y0 will be decided by
circuit ○ 2 , i.e. decided by On/Off of
X10.
K-32,768 ~ K32,767 (16-bit operation)
H0000 ~ HFFFF (16-bit operation)
14-20
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