Modbus Communication; Function Codes Supported; Exception Codes Supported - Delta Electronics RTU-EN01 Operation Manual

Modbus TCP Remote I/O Communication Module RTU-EN01
R# Attribute
6
7
8
9
10
11
12
13
14
15
Symbol "R" refers to ready only; "R/W" refers to read and write.
R#0: RTC 0
Explanations:
When the RTC function is enabled, and the assigned trigger condition is true, RTU-EN01 will set the bit device R0
to ON and continue to output or stop according to the set time.
R# 1 ~ #1 5: RTC 1 ~ 15
Explanations:
Please refer to R#0.
5

Modbus Communication

5.1 Function Codes Supported

Function code
0x02
0x03
0x05
0x06
0x0F
0x10
0x17

5.2 Exception Codes Supported

Exception code
0x01
0x02
0x03
0x04
0x0b
DVP-PLC Operation Manual
Content
R/W RTC 6
R/W RTC 7
R/W RTC 8
R/W RTC 9
R/W RTC 10
R/W RTC 11
R/W RTC 12
R/W RTC 13
R/W RTC 14
R/W RTC 15
Explanation
Read digital input point
Read register
Write single bit device
Write single register
Write multiple bit devices
Write multiple registers
Read/write multiple registers
Illegal function
Illegal data address
Illegal data value
Slave device failure
Gateway target device failed to respond.
Explanation Default
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
Real-time clock
RX, RY, T, R, C
BR, T, C, RCR
RY, T, R, C
BR, T, C, RCR
RY, T, R, C
BR, T, C, RCR
BR, T, C, RCR
Explanation
Latched
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
OFF NO
Devices supported
15