Delta Electronics DVP15MC11T, Operation Manual

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DVP15MC11T Operation Manual
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
RS-232 port is connected to HMI when DVP15MC11T functions as a slave.

The communication format that RS-232 supports
Baud rate 9600
,
19200
,
38400
,
57600
,
115200
Mode ASCII RTU
Communication
format
7,E,1 7,E,2 7,N,1 7,N,2 8,E,1 8,E,2
7,O,1 7,O,2 8,E,1 8,E,2 8,N,1 8,N,2
8,N,1 8,N,2 8,O,1 8,O,2 8,O,1 8,O,2
6.4.4 Supported Function Codes and Exception Codes

Modbus Function Codes:
1. The function codes that RS-232 port of DVP15MC11T supports are listed in the following table.
Function
code
Indication
Max. number of
writable/readable
registers
Available
register
0x01 Read output bit register values. 256 Bit register
0x02 Read bit register values. 256 Bit register
0x03
Read one single or multiple
word register values.
100
Word
register
0x05
Write one single bit register
value.
1 Bit register
0x06
Write one single word register
value.
1
Word
register
0x0F
Write multiple bit register
values.
256 Bit register
0x10
Write multiple word register
values.
100
Word
register
2. The exception codes that RS-232 port of DVP15MC11T supports are listed in the following table.
Exception code Indication
0x01 Unsupportive function code
0x02 Unsupportive Modbus address
0x03 The data length is out of the valid range.
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