Xylem 205546 Modbus Communication Modules for Displays - Manual (Page 4)

4 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
ON GND GNDB
PCB no.: 510327-xxx
Communication RS485
3V3
5V5
5V
RTS
Rx
Tx
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