Справочник Пользователя для Mitsubishi Electronics MELSEC Q series MELSEC L series

5-192

J_ZNRD

ZNRD instruction

J_ZNRD

*1: Local devices and file registers per program cannot be used as setting data.
*2: In addition to the setting data, the ZNRD instruction is executed using the following fixed values. 

Channel used by host station: Channel 1
Arrival monitoring time (monitoring time until instruction completion): 10 seconds
Number of resends for arrival monitoring timeout: 5 times

J(P)_ZNRD

P: Executing condition

:

 indicates any of the following 

instructions.

J_ZNRD

JP_ZNRD

Input argument

EN:

Executing condition

:Bit

Jn*:

Network number of the host station (1 to 239)

:ANY16

n1:

Target station number (1 to 64)

:ANY16

s

Target station's start device number where data to be read are 
stored

:ANY16

n2:

Read data length
When the target station is Q/QnA/AnUCPU: 1 to 230 words
When the target station is anything other than Q/QnA/
AnUCPU: 1 to 32 words

:ANY16

Output argument

ENO:

Execution result

:Bit

d1:

The host station's start device number where readout data will 
be stored
(A contiguous area for the read data length is required.)

:ANY16

d2:

The host station's device that is turned on for one scan upon
completion of the instruction
d2[1] also turns ON if the instruction execution has failed.

:Array of bit [0..1]

Setting

data 

*1,*2

Internal device

R, ZR

J

\

U

\G

Zn

Constant

K, H

Others

Bit

Word

Bit

Word

n1















n2



















J_ZNRD

EN

ENO

Jn*

d1

d2

s

n2

n1

J_ZNRD

(EN, Jn*, n1, s, n2, d1, d2);

ENO:=

s

d1

d2