Communication modules, 1 modbus and rs 485 communication module, 1 version requirements – Xylem 205546 Modbus Communication Modules for Displays User Manual

Page 4: Modbus communication modules

EN 6.81 Modbus Communication Module 205546 Manual 1212

2. Communication Modules

2.1 Modbus and RS 485 Communication Module

GND
B
A
GND

GND

RS485

Termination OFF

GND GNDB

PCB no.: 510327-xxx
Communication RS485

3V3

5V5

5V
RTS

3V3

Figure 1. Modbus and RS 485 Communication Module

2.1.1 Version Requirements

The following software, firmware and hardware versions (or higher) are re-
quired for displays without an installed communication module:

• Converter HW ver.: 807000
• Converter FW ver.: 842009-001
• Display HW ver.:

807056

• Display FW ver.;

841018-000

• Text file ver.:

841513-011

• MJK-Field Link ver.: 840110-48

Modbus Communication Modules