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Modbus TCP/IP Driver Manual
Page 10 of 23
Node_Low_Scale*
Scaling zero in Connected Node.
Any signed 32 bit integer in the range:
-2,147,483,648 to 2,147,483,647, 0
Node_High_Scale*
Scaling max in Connected Node.
Any signed 32 bit integer in the range:
-2,147,483,648 to 2,147,483,647, 100
Object_ID*
Only used with Data_Type
Device_ID.
0- 6 (Appendix A.5.1)
5.3.3 Timing Parameters
Column Title
Function
Legal Values
Scan_Interval*
Rate at which data is polled.
0-32000, 20
5.3.4 Map Descriptor Examples
All three examples below are addressing the same Modbus registers:
// Client Side Map Descriptors for Nodes where Address_Type is ADU
Map_Descriptors
Map_Descriptor_Name
, Data_Array_Offset
, Function
, Node_Name
, Data_Type
, Address
, Length
, Scan_Interval
CMD_AI_01
, 0
, Rdbc
, MODBUS DEVICE1
, Input_Register
, 1
, 20
, 1.000s
CMD_AO_01
, 0
, Rdbc
, MODBUS DEVICE1
, Holding_Register
, 1
, 20
, 1.000s
CMD_DI_01
, 0
, Rdbc
, MODBUS DEVICE1
, Discrete_Input
, 1
, 20
, 1.000s
CMD_DO_01
, 0
, Rdbc
, MODBUS DEVICE1
, Coil
, 1
, 20
, 1.000s
// Client Side Map Descriptors for Nodes where Address_Type is PDU
Map_Descriptors
Map_Descriptor_Name
, Data_Array_Name
, Data_Array_Offset
, Function
, Node_Name
, Data_Type
, Address
, Length
, Scan_Interval
CMD_AI_02
, DA_AI_02
, 0
, Rdbc
, MODBUS DEVICE2
, FC04
, 0
, 20
, 1.000s
CMD_AO_02
, DA_AO_02
, 0
, Rdbc
, MODBUS DEVICE2
, FC03
, 0
, 20
, 1.000s
CMD_DI_02
, DA_DI_02
, 0
, Rdbc
, MODBUS DEVICE2
, FC02
, 0
, 20
, 1.000s
CMD_DO_02
, DA_DO_02
, 0
, Rdbc
, MODBUS DEVICE2
, FC01
, 0
, 20
, 1.000s
// Client Side Map Descriptors for Nodes where Address_Type is Modicon_5digit
Map_Descriptors
Map_Descriptor_Name
, Data_Array_Name
, Data_Array_Offset
, Function
, Node_Name
CMD_AI_03
, DA_AI_03
, 0
, Rdbc
, MODBUS DEVICE3
CMD_AO_03
, DA_AO_03
, 0
, Rdbc
, MODBUS DEVICE3
CMD_DI_03
, DA_DI_03
, 0
, Rdbc
, MODBUS DEVICE3
CMD_DO_03
, DA_DO_03
, 0
, Rdbc
, MODBUS DEVICE3
, Address
, Length
, Scan_Interval
Map_Descriptor_Name
, 30001
, 20
, 1.000s
CMD_AI_03
, 40001
, 20
, 1.000s
CMD_AO_03
, 10001
, 20
, 1.000s
CMD_DI_03
, 00001
, 20
, 1.000s
CMD_DO_03
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