Siemens 6ES7 241-1AA22-0XA0 EM 241 Modem Module
$ 87.12
Description
Siemens 6ES7 241-1AA22-0XA0 EM 241 Modem Module. Product Series SIMATIC S7-200 (EM 241). Protocols PPI (Point-to-Point Interface), Modbus Master/Slave, SMS. Isolation 1500 V AC (line to electronics). Feature Details. Remote Maintenance: Enables remote programming, monitoring, and debugging of the PLC from a PC running Step 7-Micro/WIN. The Siemens 6ES7 241-1AA22-0XA0 is an EM 241 Modem Module designed specifically for the SIMATIC S7-200 PLC series. It allows for remote communication, diagnostics, and data transfer over standard analog telephone lines (PSTN). ## Technical Specifications Feature Details Product Series SIMATIC S7-200 (EM 241) Interface RJ11 jack for telephone line connection Protocols PPI (Point-to-Point Interface), Modbus Master/Slave, SMS Baud Rate Up to 33.6 kbps (V.34) Isolation 1500 V AC (line to electronics) Supply Voltage 24V DC (via the S7-200 expansion bus) ## Key Functions Remote Maintenance: Enables remote programming, monitoring, and debugging of the PLC from a PC running Step 7-Micro/WIN. Modem-to-Modem: Two S7-200 CPUs can exchange data over long distances using two EM 241 modules. SMS Messaging: The module can be configured to send text messages to mobile phones to alert operators of specific alarms or process values. Modbus Communication: Supports Modbus RTU, allowing the PLC to communicate with third-party devices over a dial-up connection. ## Common Use Cases Pumping Stations: Monitoring water levels and flow rates at remote sites. Renewable Energy: Remote data logging for solar or wind installations where hardwired internet is unavailable. Machine Support: Providing global technical support for exported machinery without traveling to the site.
