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Delta DVP-ES2 User Manual

Page 91

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2 . P r o g r a m m i n g C o n c e p ts

Adjustment on Input Terminal Response Time

Function Group

D1020

Number

Contents:

1.

D1020 can be used for setting up the response time of receiving pulses at X0 ~X7 for ES2

series MPU. Default: 10ms, 0~20ms adjustable.

2.

When the power of PLC goes from “OFF” to “ON”, the content of D1020 is set to 10

automatically.

X0

X7

0ms

1ms

10ms

15ms

0

1

10

15

Terminal

response time

Status
memory

Update input

status

Set by D1020

(default: 10)

3.

If the following programs are executed, the response time of X0 ~ X7 will be set to 0ms.

However, the fastest response time of input terminals will be 50

μs due to that all terminals are

connected with RC filters..

M1000

MOV

K0

D1020

normally ON contact

4.

It is not necessary to adjust response time when using high-speed counters or interrupts

5.

Using API 51 REFF instruction has the same effect as modifying D1020.

X6 pulse width detecting function

Function Group

M1083,M1084, D1023

Number

Contents:

When M1084 = ON, X6 pulse width detecting function is enabled and the detected pulse width is

stored in D1023 (unit: 0.1ms)

M1083 On:detecting width of negative half cycle (OFF

ÆON)

M1083 Off:detecting width of positive half cycle (ON

ÆOFF)

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