Gateway Settings; Supported Modbus Commands - ProMinent Aegis II Manual

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Gateway Settings

The implementation of the Modbus interface is based on the following standards:
http://www.modbus.org/docs/Modbus_over_serial_line_V1_02.pdf. More information about Modbus can be
found at www.modbus.org.
The ProMinent Aegis II Modbus interface supports RS-485 interface standard
- Half-duplex, 2-wire technology
- twisted pair cable [twisted pair]
- Differential voltage level ± 5 V
- Cable length up to 1200 m
The device can be connected as an endpoint slave (either with one of the connections) or
as [Daisy-Chain-Slave] (with both connections).
Default-Connection-Settings:
This is the default configuration for Aegis II controller Modbus interface; this configuration can be modified in
System -> Communication Menu
Parameter
Serial Mode
Termination
Serial Format
Baud rate
Slave Address

Supported Modbus commands:

Function Code: Read-Holding-Register 0x03 (3)
Note: In order for your customer to have access to all Modbus registers in the Aegis II controller, you will need to
have a Modbus driver card with firmware version 1.0.23.0 or newer and Aegis II controller firmware 18.04.14.00
(2018/April/14) or newer.
Standard Value
RS-485 differential
Disabled
8 data bits
Odd parity
1 stop bit
19200
10
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