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A
Appendices
Appendix G MSG-SND/ MSG-RCV Functions
G.1
Message Transmit Function (MSG-SND)
This section explains the message transmit function (MSG-SND) used in a ladder program when transmitting mes-
sages.
G.1.1 Specification Overview of the Message Transmit Function
* 1. The meanings of I/O options are as follows:
B-VAL: Specify I/O by bit type data.
I-REG: Specify I/O by integer type data. When specifying, set an integer type register number.
As for the input only, it can be a constant (literal).
Address input: The address of the specified register (any integer register) is passed to the function.
* 2. When transmitting in MEMOBUS, Extended MEMOBUS, MELSEC, OMRON, or MODBUS/TCP protocol, set the
communication protocol (Pro-Typ) to MEMOBUS(=1). The communication device automatically converts the proto-
col.
* 3. Non-procedure 1: In non-procedural communication, data is transmitted on a per-word basis.
Non-procedure 2: In non-procedural communication, data is transmitted on a per-byte basis.
Function Name
MSG-SND
Function
Transmits messages to a remote station on the circuit specified by the communication device type.
Supports multiple protocols.
Keep the execution command (Execute) until Complete or Error turns ON.
Function Defi-
nition
I/O Definition
No.
Name
I/O Option
(*1)
Contents
Input Item
1
Execute
B-VAL
Executes a transmission
2
Abort
B-VAL
Forcibly ends a transmission
3
Dev-Typ
I-REG
Communication device type
Ethernet (218IF) = 6, Ethernet (218IFA) = 16
4
Pro-Typ
I-REG
Communication protocol
MEMOBUS
(*2)
= 1, non-procedure 1
(*
3
)
= 2,
non-procedure 2
(*
3
)
= 3
5
Cir-No
I-REG
Circuit number
Ethernet (218IF) = 1 to 8, Ethernet (218IFA) = 1 to 8
6
Ch-No
I-REG
Communication buffer channel number
Ethernet (218IF) = 1 to 10, Ethernet (218IFA) = 1 to 4
7
Param
Address input
Parameter list start address
(MA, DA)
Output Item
1
Busy
B-VAL
In process
2
Complete
B-VAL
Process completed
3
Error
B-VAL
Error has occurred
E
xecute
Abort
Dev
-T
yp
Pro
-T
yp
C
i
r
-N
o
Ch
-N
o
Param
MSG
S
N
D
Busy
Comp
l
ete
E
rror
Содержание JEPMC-MP2300S-E
Страница 14: ...MEMO ...
Страница 24: ...MEMO ...
Страница 114: ...MEMO ...
Страница 132: ...MEMO ...
Страница 154: ...5 2 User Programs 5 2 2 Motion Programs 5 22 2 Example using a ladder program ...
Страница 156: ...5 2 User Programs 5 2 2 Motion Programs 5 24 2 Example using a ladder program ...
Страница 190: ...MEMO ...
Страница 280: ...MEMO ...
Страница 300: ...7 3 Operation 7 3 5 How to Determine Input Error 7 20 Continued from the previous page ...
Страница 302: ...7 3 Operation 7 3 5 How to Determine Input Error 7 22 Application Example Continued on the next page ...
Страница 306: ...7 3 Operation 7 3 6 Management to Resume Slave CPU Synchronization 7 26 Application Example Continued on the next page ...
Страница 310: ...MEMO ...