Modbus Register Addressing; Modbus Function Codes - Eaton Power Xpert 1000 Series User Manual

MODBUS REGISTERS

Modbus Register Addressing

60 EATON Power Xpert
This section describes Modbus function codes, data formats, and data
addressing.

Modbus Function Codes

The PDU/RPP/RPM registers are read using Modbus Function Codes
(FC). For most PDU/RPP/RPM registers, FC 04 is used. For alarms,
FC 02 is used. The PDU/RPP/RPM supports the following hex function
codes:
Table 1. Function Codes
FC Hex Description
01 0x01 Read Coil Status
02 0x02 Read Discrete Inputs
03 0x03 Read Holding Registers
04 0x04 Read Input Registers
05 0x05 Write Single Coil
06 0x06 Write Single Register
0F 0x0F Write Multiple Coils
10 0x10 Write Multiple Registers
® Gateway Series 1000 Card User's Guide
Use
Supported for compatibility purposes
Single input data, such as alarms and
discrete contacts
Supported for compatibility purposes
Analog data (most string and numeric
data types), such as voltage
For future use
For future use
For future use
For future use
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