MSA fieldserver EZ Series - Address Types and Data Types

11.5 Address Types and Data Types
If the node parameter Address_Type is set as ADU or PDU, then Data_Type must be specified as follows.
For Address_Type ADU
Address range Data_Type Function Code (Write) Function Code (Read)
1 – 65536 Coil 15 1
1 – 65536 Discrete_Input n/a. 2
1 – 65536 Input_Register n/a. 4
1 – 65536 Holding_Register 16 3
For Address_Type PDU:
Address range Data_Type Function Code (Write) Function Code (Read)
0 – 65535 Coil 15 1
0 – 65535 Discrete_Input n/a. 2
0 – 65535 Input_Register n/a. 4
0 – 65535 Holding_Register 16 3
For Address_Type Modicon_5digit:
When a Modbus address range is specified, a particular Data Type is implied. The defaults are shown below.
Address Range Data_Type Function Code (Write) Function Code (Read)
00001 - 09999 Coil 5,15 1
10001 - 19999 Discrete_Input n/a. 2
30001 - 39999 Input_Register n/a. 4
40001 - 49999 Holding_Register 6,16 3
EZ Gateway Modbus to BACnet Start-up Guide 59