Chapter 9 Serial Communication Module AS00SCM
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9.6 Application
9.6.1 Modbus
This section introduces how to use the Modbus protocol to connect the AS00SCM-A to other Delta industrial products
such as human-machine interfaces, temperature controllers, programmable logic controllers, AC motor drives, and
servo motors.
9.6.1.1 Modbus Slave ─ Connection to Delta Products
The following table shows the slave station supports the following function codes and their corresponding addresses.
Function Code Attribute Addresses Supported
0x03
0x04
Read
16#0000–16#0063
16#0100–16#0163
16#0200–16#0263
16#0300–16#0363
0x06
0x10
Write
16#0000–16#0063
16#0200–16#0263
0x17
Read
16#0000–16#0063
16#0100–16#0163
16#0200–16#0263
16#0300–16#0363
Write
16#0000–16#0063
16#0200–16#0263
The structures:
Example of a slave structure: HMI (master station) ïƒ AS-F485 + AS00SCM-A COM1 (slave station)
Product
Slave
ID
Communication
protocol
Device from
which data is
Register in
the CPU
Device into
which data is
Register in
the CPU