7
APPLICATION FUNCTIONS
7.4.5 (4) Reading/writing word devices of other stations (J(P).ZNRD, J(P).ZNWR)
Applicable device
Setting
Internal device
data
Bit
Word
n1
(S1)
(D1)
n2
(D2)
1: The number of digits of the bit device can be specified. (Number of digits of K, bit device start No.)
2: T, C, D or W can be used.
Instruction format
[Network No. specification]
[Instruction symbol]
J.ZNRD
JP.ZNRD
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(a)
Instruction format
1)
J(P).ZNRD
This instruction reads data from devices of a programmable controller
on another station. (In units of words)
Link direct device
File register
Bit
1
2
1
[Execution condition]
Command
Command
Applicable device
Intelligent function
J \
module device
U \G
Word
J.ZNRD
Jn
JP.ZNRD
Jn
Target station
Refer to Section 6.3.
Index register
Zn
n2
n1
(S1)
(D1)
n1
(S1)
(D1)
n2
MELSEC-Q
Constant
Others
K, H, $
(D2)
(D2)
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