Delta Electronics Complete Guide to Modbus TCP Remote I/O Communication with RTU-EN01

Modbus TCP Remote I/O Communication Module RTU-EN01

DVPEN01-SL DVP28SV

DVP28SV

RUN

STOP

Ethernet
TS8 0	16SP	DA4 0
-PV D	DVP-	-PV D
COM2
RTU-EN01	DI/DO

PC

CT40	TP4 0	02DA
-PV D	-PV D	DVP-

AI/AO

4	Word Devices & Bit Devices in RTU-EN01
4.1	Basic Registers (BR)
	BR#	Attribute	Content	Explanation	Default	Latched
	0	R	Model name	Set up by the system; read only. The model code of	H’0600	YES
				RTU-EN01= H’0600.
	1	R	Firmware version	Displaying the current firmware verision in hex, e.g. V1.2 is		YES
				indicated as high byte = 0x01 and low byte = 0x20.
				Displaying the data in decimal form. 10,000s digit and 1,000s
				digit are for “month”; 100s digit and 10s digit are for “day”. For
	2	R	Release date of the	1s digit: 0 = morning; 1 = afternoon.		YES
			version
				Example: 12191 indicates the version released in the afternoon
				of December 19.
	3	R/W	Start/Stop PLC			NO
			function
	4		Reserved	.		NO
			COM2	RS-485 communication settings. Please refer to the table of
	5	R/W	communication		H’0368	YES
				baud rate setting and communication format setting.
			settings
	6	R/W	Address	For setting up the station address	K’1	YES
	7	R	Number of DI points	Range: 0 ~ 256		NO
	8	R	Number of DO points	Range: 0 ~ 256		NO
	9	R	Error code	Displaying the errors. Please refer to the table of error codes.		NO
	10		Reserved			NO
	11	R/W	Communication	For setting up the communication time-out (ms) in Modbus	K’5000	YES
			time-out	TCP mode.
	12	R/W	Communication delay	For setting up the minimum interval time between every	K’0	YES
			time	communication datum.
	13	R/W	TCP connection idle	For setting up idle time for TCP communication. Unit: second	K’30	YES
			time
	14 ~ 22		Reserved			NO
	23	R	Number of analog I/O	Max. 8		NO
			modules

8 DVP-PLC Operation Manual