LG Electronics 120S user manual No protocol sendDSND, Dsnd

Chapter 8 Communication Functions

1) No protocol send(DSND)

DSND

No protocol send

Instruction

Available Device

No. of

Flag

M

P

K

L

F

T

C

S

D

#D

Integer

step

Error

Zero

Carry

(F110)

(F111)

(F112)

Ch

○

n

○

○

○

○

○

○

○

○

○

○

9

○

S

○

○

○

○

○

○

○

○

SS

○

○

○

○

○

○

○

○

Flag

Designation

Ch

Designated communication channel

Error

Error flag turns on, when designating area is over.

n

Number of data to sending by bytes

(F110)

S

Device address which is stored communication data

SS

Device address which is displayed communication

status

■ DSND

Ch

n

S

SS

(1)Function

•When the execution condition is on, the No protocol communication starts

•‘n’ represents the number of data to send (unit of byte) and Sending data is stored in device ‘D’

•‘Ch’ is designated communication channel and Communication status is saved in ‘SS’.

(2)Example program

•When the execution condition P0040 is on, the communication starts with channel 1

•Length of sending data which is stored in D0100 is 10 byte and the communication status is stored in M000.

(3) Error code			Length	of sent data		error bit Done
	Code		Error			Description
	06		Parameter Error		Communication parameter setting error
	08	Slave Device Busy			Slave device is busy
	09		Frame Type Error		Size of sending byte is out of range

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