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SUNSTONE CDDP-A USERS GUIDE
Appendix C: Modbus Data Tables
Reference these tables when sending/receiving messages to/from the CDDP-A via an ethernet connection us-
ing Modbus software.
SUPPORTED FUNCTION CODES
Funtion
Code (dec)
Funtion
Code (hex)
Name
Read/Write
1 0x01
Read Coils
2 0x02
Read Discrete Inputes
3 0x03
Read Holding Registers
4 0x04
Read Input Registers
5 0x05
Write Single Coil
6 0x06
Write Single Register
15 0x0F
Write Multiple Coils
16 0x10
Write Multiple Registers
20 0x14
Read File Record
22 0x16
Mask Write Register
23 0x17
Read/Write Mulitple Registers
65 0x41
Modbus E-Stop Set
Write
66 0x42
Modbus E-Stop Clear
Write
67 0x43
Weld
Write
68 0x44
Schedule Weld Data
Read/Write
69 0x45
Schedule Extra Weld Data
Read/Write
70 0x46
Comparator
Read/Write
71 0x47
Alarm Settings
Read/Write
72 0x48
Basic PLC Settings
Read/Write
100 0x64
Comparator Failure and Weld Count
Read
101 0x65
RSS Mode
Read/Write
102 0x66
System Info
Read