Mapping Modbus Input Registers - Danfoss iC7 Series Operating Manual

iC7 Series Modbus
Operating Guide
Register Description
n+2
n+3
n+4 Event Type
n+5 Event Code
Readable in hexadecimal format.
1
A mismatch between the datatype and register type issues a warning of possible data loss.

3.3 Mapping Modbus Input Registers

A Modbus input register is a 16-bit read-only value.
Input registers can be mapped to specific parameters by using the customization feature in MyDrive
1.
In MyDrive Insight, go to Customization → Live → MODBUS → Input Registers.
®
- a.
To add a single register, click the + Add Item icon.
- b.
To map multiple registers, click the – Add Multiple Items icon.
Table 18: Input Register Settings
Column
Location
Reference type
Reference
Source type
Index
Length
Register type
Scaling
Unit
Danfoss A/S © 2023.09
Format
Month/Day [MMDD]
Year [YYYY]
MSB: 0 = Inactive event.
MSB: 1 = Active event.
LSB: 010 = Info.
LSB: 011 = Warning.
LSB: 100 = Fault.
See the relevant application guide.
N O T I C E
Description
Refers to the coil number. Registers are mapped from address 30001–39999.
- Parameter: Mapping a register to a parameter.
- Constant: Mapping a register to a constant value.
- Event: Mapping events to registers.
The name of the mapped parameter, feature, or event. Value for Constant type.
Data type of mapped parameter
Index pointer for array parameters
Length as number of bytes for string-type parameters.
Data type of the mapped parameter
By default, the Customizer selects a register type that matches the data type of the selected parame-
ter.
Scales the parameter value on the Modbus interface by dividing it by the scaling value entered.
Unit of the mapped parameter
(1)
(1)
AQ456329149698en-000101 / 136R0334 | 25
Modbus Data Mapping
Insight.
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