Product information
Overview
Applications
- SMS and email messaging: Supports SMS dispatch and reception, email dispatch, and up to 20 definable user groups and 20 free texts for emails or SMS.
- Monitoring and device control: Supports up to 32 definable signals for monitoring or device control, with up to 32 definable events and 32 actions.
- GPS position and time functions: Supports GPS position detection and position-data forwarding, plus time synchronization from NTP, GPS, the mobile network provider, a PC or manual setting.
Key Features
- GSM/GPRS communication: Supports GSM, GPRS and SMS, with GPRS transfer rates up to 80 kbit/s downlink and 40 kbit/s uplink.
- Industrial Ethernet interface: Provides 1 RJ45 port for Industrial Ethernet connection to LOGO! 8, with a transfer rate of 10 … 100 Mbit/s.
- Digital I/O: Has 2 digital inputs and 2 transistor digital outputs. Inputs are not galvanically isolated and are not debounced; outputs are not potential separated.
- GPS and antenna connections: Provides 2 SMA sockets for external antennas, connectable to a GPS antenna and a mobile radio antenna. Maximum antenna cable length is 15 m.
- Configuration and remote functions: Supports web-interface configuration and diagnostics, remote configuration, remote Firmware update, OpenVPN PSK, HTTPS/HTTP access and DynDNS.
Technical Summary
| Product type | LOGO! CMR2020 communication module |
|---|---|
| Communication interfaces | 1 RJ45 port for Industrial Ethernet; 1 connection to the LOGO! logic module |
| Digital inputs | 2; 0 … 5 V for signal <0> at DC; 8.5 … 24 V for signal <1> at DC |
| Digital outputs | 2 transistor outputs; 12 … 24 V for signal <1>; maximum output current 0.3 A |
| Mobile communication | GSM, GPRS and SMS supported; UMTS and LTE not supported |
| GSM operating frequencies | 850 MHz, 900 MHz, 1800 MHz, 1900 MHz |
| External supply | 12 … 24 V DC; relative positive tolerance 20 % at 24 V DC; relative negative tolerance 10 % at 12 V DC |
| Antenna connections | 2 SMA sockets (50 ohms); GPS antenna and mobile radio antenna connectable |
| Memory card | 1 microSD slot; maximum capacity 32 Gibyte; minimum Class 6; FAT32 |
| Mounting | 35 mm DIN-rail mounting and wall mounting |
| Protection and humidity | IP20; maximum 95 % relative humidity at 25 °C without condensation during operation |
Frequently Asked Questions
What is the exact product type of Siemens 6GK7142-7BX00-0AX0?
It is a LOGO! CMR2020 communication module.
Which digital I/O does the module provide?
It provides 2 digital inputs and 2 transistor digital outputs. The inputs are not galvanically isolated and are not debounced; the outputs are not potential separated.
Which connections are provided for Ethernet, antennas and power supply?
It has 1 RJ45 port for Industrial Ethernet, 2 SMA sockets (50 ohms) for external antennas, and a 3-pole terminal block for power supply.
What configuration should I include when requesting a quotation?
Please provide the required quantity, destination and project-list context so the exact model and configuration can be verified.
