Delta DVP-ES2/EX2/SS2/SA2/SX2/SE Function Action, Modrd / Modwr / FWD / REV / Stop / Rdst / Rstef

	3. Instruction Set
Flag	Function	Action
M1121	Data transmission ready. M1121 = OFF indicates that RS-485 in	System
	COM2 is transmitting
		sets
	Sending request. Before executing communication instructions,
	users need to set M1122 to ON by trigger pulse, so that the data	User sets,
M1122	sending and receiving will be started. When the communication is	system
		resets
	completed, PLC will reset M1122 automatically.
	Data receiving completed. When data receiving of communication
	instructions is completed, M1123 will be ON. Users can process the	System
M1123	received data when M1123 is ON. When data processing is	sets ON
		and user
	completed, M1123 has to be reset by users.
		resets
	Supported communication instructions: RS
M1124	Data receiving ready. When M1124 is ON, PLC is ready for data	System
	receiving..	sets
	Communication ready status reset. When M1125 is set ON, PLC
M1125	resets the communication (transmitting/receiving) ready status.
	M1125 has to be reset by users after resetting the communication
	ready status.
	Set STX/ETX as user-defined or system-defined in RS	User
M1126	communication. For details please refer to the table in point 5.	sets/resets
	M1126 only supports RS instruction.
	Set STX/ETX as user-defined or system-defined in RS
M1130	communication. For details please refer to the table in point 5.
	M1130 only supports RS instruction
	COM2 (RS-485) data sending/receiving/converting completed. RS
	instruction is NOT supported.	System
M1127	Supported communication instructions:	sets and
	MODRD / MODWR / FWD / REV / STOP / RDST / RSTEF /	user resets
	MODRW
M1128	Transmitting/receiving status indication.	System
		sets
	Receiving time out. If users set up time-out value in D1129 and the	System
M1129	data receiving time exceeds the time-out value, M1129 will be set	sets and
	ON.	user resets

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