J(P).Znrd (Data Read From Programmable Controllers On Other Stations) - Mitsubishi Electric MELSEC Q Series Reference Manual

9.12
J(P).ZNRD (Data Read from Programmable Controllers
on Other Stations)
This instruction reads data from devices of a programmable controller on another station. (In units of words)
Internal device
Setting
(System, User)
data
Bit Word
n1
*1
(S1) —
(D1) —
n2
(D2)
*1 T, C, D or W can be used.
[Instruction symbol] [Execution condition]
J.ZNRD
JP.ZNRD
(1) Setting data
*1*2
Setting data
Jn
n1
(S1)
(D1)
n2
(D2)
*1 Local devices and file registers for each program cannot be used as devices in setting data.
*2 In addition to the setting data, the ZNRD instruction is executed using the following fixed values.
Channel used by own station: Channel 1
Arrival monitoring time (monitoring time until instruction completion): 10 seconds
Number of resends for arrival monitoring timeout: 5 times
Available devices
Link direct
File
device J\
register
R, ZR
Bit Word
—
[Instruction format]
Start contact
J.ZNRD
Start contact
JP.ZNRD
Network No. of the target station (1 to 239)
Target station No. (1 to 64)
Target station's start device where data to be read are stored
The own station's start device where readout data will be stored
(A contiguous area for the read data length is required.)
Read data length
When the target station is QCPU/RCPU/LCPU/QnACPU/AnUCPU:
1 to 230 words
When the target station is other than
QCPU/RCPU/LCPU/QnACPU/AnUCPU: 1 to 32 words
The own 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.
CHAPTER 9 DEDICATED INSTRUCTIONS
Intelligent
function Index
module device register Zn
U\G
—
—
—
—
—
Jn n1 (S1)
Jn n1 (S1)
Description
Constant
Others
K, H $
—
— —
— —
—
— —
(D1) n2 (D2)
(D1) n2 (D2)
Data type
Binary 16 bits
Device name
Binary 16 bits
Bit
427
9