Siemens 6ES7241-1AA22-0XA0 Modem Expansion Module

Series#: Siemens

Product Details

6ES7241-1AA22-0XA0 – SIEMENS SIMATIC S7-200 Modem Expansion Module for remote communication.
Enables RS-232-based modem connectivity for S7-200 PLCs, ideal for remote monitoring and SCADA integration.
Supports point-to-point and multi-drop communication via standard telephone or GSM modems.
Compact design with direct mounting to S7-200 CPU, no additional cabling required.
Rugged industrial-grade construction, rated for extended temperature and vibration resistance.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The SIEMENS SIMATIC S7-200 Modem Expansion Module, designated as 6ES7241-1AA22-0XA0, is a dedicated communication interface designed to extend the remote connectivity capabilities of the S7-200 PLC family. This module integrates seamlessly with the CPU backplane bus, providing a reliable RS-232 port for connecting external modems in industrial telemetry and remote control applications. It is engineered to support both dial-up and leased-line modem operations, enabling data exchange over long distances without compromising system integrity. The module is fully compatible with standard S7-200 programming and communication protocols, including PPI and Modbus RTU, making it a versatile choice for distributed automation networks.

Parameter	Specification for 6ES7241-1AA22-0XA0
Product Type	Modem Expansion Module for SIMATIC S7-200
Communication Interface	RS-232, D-sub 9-pin female connector
Supported Modems	Standard analog telephone modems, GSM modems (up to 56 kbps)
Protocol Support	PPI (Point-to-Point Interface), Modbus RTU (via user program)
Transmission Distance	Up to 15 meters (RS-232 cable length); unlimited via modem network
Power Supply	5 V DC via S7-200 backplane bus (max. 50 mA)
Operating Temperature	0 °C to 55 °C (32 °F to 131 °F)
Storage Temperature	-40 °C to 70 °C (-40 °F to 158 °F)
Relative Humidity	5% to 95%, non-condensing
Dimensions (W x H x D)	71.2 mm x 80 mm x 62 mm (2.8 in x 3.15 in x 2.44 in)
Weight	Approx. 120 g (0.26 lb)
Mounting Type	Directly on S7-200 CPU rail or DIN rail via expansion connector
LED Indicators	Power (green), Tx/Rx activity (yellow)
Isolation	500 V AC between interface and backplane (basic isolation)
Certifications	CE, UL 508, cULus, FM Class I Div 2 (hazardous location)
Compatible CPUs	All S7-200 CPUs (e.g., CPU 221, CPU 222, CPU 224, CPU 226)
Order Number	6ES7 241-1AA22-0XA0