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Appendix a cx-10 modbus map – Remote Processing CX-10 User Manual

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Appendix A CX-10 Modbus Map

Appendix A Modbus Map

Page 10

Non-Volatile Setup
These are integer (16 bit) types. Function code 3 reads, 16 writes. All allow read and write. Address range is 4801 to 4999.
This group of registers dictate certain system setup conditions. They are non-volatile.

Register

Read/Write Permission

Detail

4801

Read or write

Reset non-volatile setup registers. Default value = 165. Writing a value other
than 165 to this register will cause the operating system to restore defaults to
registers 4801-4827. Restoration is performed on the next reset.

4802

Read or write

Clear non-volatile integer and floating point registers. Default value = 165.
Writing a value other than 165 to this register will cause the operating system
to write 0's to all non-volatile integer and floating point registers. Reset is
performed on the next reset.

4803-4809

Read or write

Reserved, unused

4810

Read or write

Define COM3 port operation as ASCII or modbus mode.
0 = ASCII mode
1 = modbus mode (default)

4811

Read or write

Modbus ID (0-255)
Default = 11
Current software will allow a 16 bit slave ID but will only use the lower 8 bits
(0-255).

4812

Read or write

Reserved, unused

4813

Read or write

COM3 baud rate
2 = 2400
3 = 4800
4 = 9600
5 = 19200 (default)
6 = 38400
7 = 57600

4814

Read or write

Reserved, unused

4815

Read or write

Modbus COM3 timer timout. Register value X 10 milli-seconds.
200 = 2 seconds (default)
When a print #3 message is sent, master mode will wait the amount of time
set in this register for data to start being received. If the message is not
recieved in time, the OS writes an error code 254 to register 4783. If data
starts coming into the buffer before the timeout expires, this register is no
longer in effect. Another 50 milli-second (fixed time) timeout takes over.

4816-20

Read or write

Reserved, unused

4821

Read or write

Reserved, unused

4822

Read or write

Reserved, unused

4823

Read or write

Switched V+ power control.
0 = Switched 12V & 5V off (default)
1 = Switched 12V & 5V ON