User Manual 5 < back to the table of contents > 3 COM-Modul 3.1 Intended use The COM.GW.500 (COM) module serves as a gateway for one or more DAT.PM.063A3P.KA/SA (DAT) measurement modules. The COM-Module features various interfaces (Ethernet, WLAN, RS485) through which the measurement values from the DAT-Modules can be forwarded to higher level systems and services via Modbus TCP/RTU and MQTT. Additionally, the COM-Module features an integrated web server that allows to visualize measurement data, configure DAT-Modules, and adjust settings via a web portal. Furthermore, the COM-Module includes digital inputs and outputs (I/Os) that can be configured by the user as needed. 3.2 Overview COM-Module 1.) SD-Slot 2.) USB-C Port 3.) User Button 4.) LED status indicator 5.) 2x Ethernet a. Eth0 (PoE capable) b. Eth1 (not PoE capable) 6.) 16-pin connection for RS485/ IOs / 24 V DC 7.) Locking device for DIN rail 8.) 8-pin connection for expansion module Figure 3: COM-Module with pin assignment of the 16-pin connector 1 2 3 4 7 DIO 0-7 0 1 2 3 4 5 6 7 24V 24V 0V 0V 0V 0V DATA A RS0-P Data B RS0-N Modulversorgung + IOs (0 V für DI, 24 V für DO) Supply module + IOs (0 V for DI, 24 V for DO) RS485 Half-Duplex b. Eth1 a. Eth0 (PoE) 5 7 8 Data A RS0-P 0 V Data A RS1-P NC Data B RS0-N 0 V Data B RS1-N NC RS485 Half-Duplex
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