Industrial PLC Module LOGO! CMR2020 by Siemens with GSM/GPRS
Manufacturer: Siemens
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Part Number: CMR2020
Condition：New with Original Package
Product Type: PLC Communication Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Siemens LOGO! CMR2020 is a communication module designed to extend the connectivity of the LOGO! 8 modular automation system.
It enables mobile network communication, Ethernet integration, and remote monitoring for industrial and building automation applications.
Moreover, the module allows LOGO! 8 controllers to send and receive SMS and email notifications, synchronize time via NTP, and support IoT-based applications.
Therefore, it is ideal for smart infrastructure, HVAC monitoring, remote pump stations, street lighting, and other automated systems.
The compact DIN-rail design ensures seamless integration into LOGO! 8 systems, while the built-in GSM/GPRS modem and Ethernet port provide reliable communication in industrial environments.
In addition, the module offers 2 digital inputs and 2 digital outputs for flexible control and monitoring of connected devices.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | LOGO! CMR2020 |
| Order Number | 6GK7142‑7BX00‑0AX0 |
| Manufacturer | Siemens AG |
| Type | PLC Communication Module |
| Network Connectivity | GSM/GPRS mobile network |
| Ethernet Port | 1 × RJ45 Industrial Ethernet |
| Digital Inputs | 2 DI |
| Digital Outputs | 2 DO |
| Functions | SMS/email messaging, remote monitoring, GPS/NTP synchronization |
| Power Supply | 12/24 V DC |
| Operating Temperature | –20 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Protection Class | IP20 (panel installation) |
| Mounting | DIN rail |
| Dimensions | 90 × 72 × 55 mm |
| Weight | 0.25 kg |
| Compliance | CE, RoHS, IEC standards |
FAQ
Q1: Can LOGO! CMR2020 send alerts directly from LOGO! 8 controllers?
Yes, it enables SMS and email notifications for remote monitoring and alerts.
Q2: What kind of network does the module support?
It supports GSM/GPRS mobile networks and Industrial Ethernet via an RJ45 port.
Q3: Does it have digital inputs and outputs?
Yes, the module provides 2 digital inputs and 2 digital outputs for device control.
Q4: Is a SIM card required for operation?
Yes, a GSM SIM card is needed for SMS and email communication functions.
Q5: Can it be integrated into IoT applications?
Yes, it supports JSON and OPC UA protocols for modern IoT and smart infrastructure projects.