PLCM04 Communication Module

The PLCM04 is a communication module designed to interface with the operator panel, enabling communication via RS-422/RS-485 signals through a dedicated DB9 female connector. The technical data is provided below.

Technical Specifications

Feature	RS-422	RS-485
Communication protocol	RS-422/RS-485
Optical insulation	Yes

Pin	Description	RS-422	RS-485
1	GND	X	X
2
3	A- (TX-)	X	X
4	B- (RX-)	X
5
6	+5V 100mA max.	X	X
7	B+ (RX+)	X
8	A+ (TX+)	X	X
9

To operate in RS-485, pins 3-4 and 7-8 must be connected externally.

Connector Pinout Diagram

Diagram showing the DB9 female connector pinout with labels for GND, TX-, RX-, +5V, RX+, TX+.

Dimensions

The module has the following dimensions: Width: 41.2 mm, Depth: 23.8 mm, Height: 90.3 mm.

Module Dimensions Diagram

Diagram illustrating the external dimensions of the PLCM04 module.

Mounting the Module

To install the module, first remove the connector protective cover from the equipment.

Module Installation Steps

Diagram showing the process of removing a protective cover and inserting the module into an expansion slot.

The products are designed for use with Exor products featuring an expansion slot for plugin modules, intended for industrial environments and compliant with the 2014/30/EU directive.

These products have been designed in compliance with the following standards:

EN 61000-6-4
EN 61000-6-2
EN 55011 Class A
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
EN 60945

The use of this equipment in residential, commercial, and light-industrial environments is permitted only if special measures are taken to ensure conformity with IEC-61000-6-3.

Reproduction of this document's contents, in whole or in part, without written permission from Exor International S.p.A. is prohibited.

Exor International S.p.A. - San Giovanni Lupatoto VR, Italy

Website: www.exorint.it