Bidin Instruction - Mitsubishi QJ71C24/-R2 User Manual

9 DEDICATED INSTRUCTIONS

9.6 BIDIN Instruction

Set Internal device
data (System, user)
Bit Word
(S) —
(D1) —
(D2)
[Instruction
code]
BIDIN
BIDIN
Set data
Set data
(D1)
(D2)
Control data
Device
(S) + 0 Receive channel
(S) + 1 Reception result
(S) + 2 Receive data count
Allowable number of
(S) + 3
receive data
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This instruction receives data using the bidirectional protocol.
MELSECNET/H,
MELSECNET/10
File register
Direct J \
Bit
[Executing
condition]
Command
Command
Start I/O signal of the module
Un
(00 to FE: Top two-digit when I/O signals are expressed in 3-digit.)
(S) Head number of the devices in which control data is stored.
Head number of the devices in which receive data is stored.
Bit device number to be turned on at completion of execution.
The file register per local device and program cannot be used as the set data.
Item
• Set receive channel
1: Channel 1 (CH1 side)
2: Channel 2 (CH2 side)
• Reception result by a BIDIN instruction are
stored.
0:
• The number of data received is stored.
• Set the allowable number of words for received
data that can be stored in (D1).
POINT
(1) The command of G (P).BIDIN cannot be converted into pulse.
(2) G (P).BIDIN should be executed while the read request of the input/output
signal is turned on.
Applicable device
Special module
U \G
Word
Un
G.BIDIN
Un
GP.BIDIN
Description
Set data
Normal
MELSEC-Q
Index register Zn Constant Others
—
—
—
(S) (D1) (D2)
(S) (D1) (D2)
Set by
User
User,
system
System
System
Setting range
1, 2
—
1
1 or more
1 or more
Data type
BIN16 bit
Device name
Bit
2
Set by
User
System
System
User
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