Siemens 6AG1720-3AA01-7XX0 SIPLUS ST7 MD720 2G Mobile Modem
Siemens 6AG1720-3AA01-7XX0 SIPLUS ST7 MD720 2G Mobile Modem
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Brand:Siemens Item No.:6AG1720-3AA01-7XX0 Product Origin: Germany Product Dimensions:30 × 100 × 90 mm Product Weight:0.11 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1720-3AA01-7XX0 is a SIPLUS ST7 MD720 2G mobile radio modem based on the standard 6NH9720-3AA01-0XX0 MD720. It provides GSM/GPRS communication through an RS-232 interface and supports CSD, GPRS, and SMS services for compatible industrial automation and remote-monitoring applications.
The modem supports quad-band GSM operation at 850, 900, 1800, and 1900 MHz, with a maximum GSM transmission rate of 9.6 kbit/s. GPRS supports maximum downlink and uplink rates of 54 kbit/s and 42 kbit/s respectively. The SIPLUS version adds conformal coating and an extended -40 °C to +70 °C operating temperature range.
Technical Specifications
Parameter
Specification
Brand
Siemens
Order Number
6AG1720-3AA01-7XX0
Product Type
SIPLUS ST7 MD720 2G Mobile Radio Modem
Base Model
6NH9720-3AA01-0XX0
Mobile Network
GSM / GPRS
GSM Services
CSD, GPRS, SMS
GSM Frequency Bands
850 / 900 / 1800 / 1900 MHz
GSM Transmission Rate
9.6 kbit/s
GPRS Maximum Downlink
54 kbit/s
GPRS Maximum Uplink
42 kbit/s
GPRS Multislot Class
10
Communication Interface
RS-232
RS-232 Connector
9-pin Sub-D
Antenna Connection
SMA, 50 Ω
SIM / Mobile Communication
GSM-based mobile network
Configuration
AT commands
GPRS Connection
Automatic connection setup supported
Rated Supply Voltage
24 V DC
Permissible Supply Range
12 to 30 V DC
Maximum Current Consumption
355 mA
Typical Power Loss
3.4 W
Operating Temperature
-40 °C to +70 °C
Startup Temperature
-25 °C
Storage Temperature
-25 °C to +85 °C
Relative Humidity
Up to 100% RH including condensation/frost under specified conditions
Protection Rating
IP30
Mounting
35 mm DIN rail or wall mounting
Conformal Coating
Yes
Dimensions
Approx. 30 × 100 × 90 mm
Net Weight
Approx. 0.11 kg
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Frequently Selected Alternatives
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6NH9720-3AA01-0XX0
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Where It Fits in Industrial Applications
• Designed for remote communication and telemetry applications in Siemens SIMATIC automation systems.
• 6AG1720-3AA01-7XX0 is the SIPLUS ST7 MD720 2G mobile radio modem, based on 6NH9720-3AA01-0XX0.
• Provides GSM/GPRS communication through an RS-232 interface for compatible PLC, remote-monitoring, and telemetry applications.
• Supports GSM services including CSD and SMS, as well as GPRS data communication.
• The conformal-coated SIPLUS design is intended for demanding industrial environments with an extended operating temperature range.
Key Strengths at a Glance
• Supports quad-band GSM operation at 850, 900, 1800, and 1900 MHz.
• Provides GSM CSD, GPRS, and SMS communication functions through a compact industrial modem.
• Includes an RS-232 interface for connection to compatible Siemens controllers and communication equipment.
• Supports automatic GPRS connection setup and configuration through AT commands.
• Can be used with compatible Siemens SIMATIC systems for remote monitoring, messaging, and data communication.
Technical FAQs
1. What is Siemens 6AG1720-3AA01-7XX0?
6AG1720-3AA01-7XX0 is the Siemens SIPLUS ST7 MD720 2G mobile radio modem based on the 6NH9720-3AA01-0XX0 MD720 modem.
2. What type of wireless network does the MD720 support?
The modem supports 2G GSM and GPRS mobile communication.
3. Which GSM services are supported?
The device supports GSM CSD, GPRS, and SMS services.
4. What GSM frequency bands are supported?
The modem supports quad-band GSM operation at 850 MHz, 900 MHz, 1800 MHz, and 1900 MHz.
5. What physical communication interface does the modem use?
The MD720 provides an RS-232 interface through a 9-pin Sub-D connection for communication with compatible automation equipment.
6. Can the modem be used with Siemens SIMATIC controllers?
Yes. Siemens documentation describes applications connecting the MD720 with SIMATIC controllers and communication modules for functions such as SMS transmission and remote monitoring.
7. What supply voltage is required?
The modem uses a nominal 24 V DC supply and accepts an operating supply range of 12 to 30 V DC.
8. What configuration interface does the MD720 use?
The modem is configured through AT commands. It also supports automatic GPRS connection setup.
9. What environmental conditions is the SIPLUS version designed for?
The SIPLUS version has conformal coating and is specified for an operating temperature range of -40 °C to +70 °C, with startup possible at -25 °C.
10. What should be verified before installing this modem?
The required mobile-network service, national radio approvals, SIM card compatibility, RS-232 communication parameters, antenna arrangement, and Siemens controller configuration should be verified before commissioning.
