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Modbus TCP Remote I/O Communication Module RTU-EN01
DVP-PLC Operation Manual
8
DVP28SV
RUN
STOP
D
V
P
-
0
2
D
A
D
V
P
-
0
8
S
T
D
V
P
-
1
6
S
P
D
V
P
-
0
4
A
D
D
V
P
-
0
4
T
C
D
V
P
-
0
4
P
T
Ethernet
RTU-EN01
DI/D
O
AI/A
O
DVP28SV
COM2
PC
DVPEN01-SL
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
RTU-EN01= H’0600.
H’0600 YES
1 R Firmware version
Displaying the current firmware verision in hex, e.g. V1.2 is
indicated as high byte = 0x01 and low byte = 0x20.
YES
2 R
Release date of the
version
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
1s digit: 0 = morning; 1 = afternoon.
Example: 12191 indicates the version released in the afternoon
of December 19.
YES
3 R/W
Start/Stop PLC
function
NO
4 Reserved . NO
5 R/W
COM2
communication
settings
RS-485 communication settings. Please refer to the table of
baud rate setting and communication format setting.
H’0368 YES
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
time-out
For setting up the communication time-out (ms) in Modbus
TCP mode.
K’5000 YES
12 R/W
Communication delay
time
For setting up the minimum interval time between every
communication datum.
K’0 YES
13 R/W
TCP connection idle
time
For setting up idle time for TCP communication. Unit: second K’30 YES
14 ~ 22 Reserved NO
23 R
Number of analog I/O
modules
Max. 8 NO