Modbus Advanced customization features - Arc protection - Auto synchronization - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Petersen Coil control - Grid automation - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Transformer protection - 3 winding - Interconnection protection - Generator protection - Power management/Load shedding - Modbus Communication Manual - REX640 Protection and control - PCL4 - IEC - ANSI - 23.04.2024

REX640 Modbus Communication Protocol Manual

The following table summarizes each of the advanced features supported by the protocol.

Table 1. Modbus Advanced customization features

Parameter

Value (Range)

Unit

Step

Default

Description

Prtl Customization

0

-

1

0

Bit number (n)

Value (2*n)

Feature

0

All customization is disabled

0

1

Disables TCP keep-alive messages sending

1 - 30

2 -

107374

1824

Reserved for future use

In order to enable multiple features is it necessary to calculate the value for each required feature and add all of the afterwards.

The use of advanced customization features can be monitored in Monitoring > Communication > Protocols > Modbus (n).