Data sheet 6NH9720-3AA01-0XX0
Product type designation MODEM MD720 GSM/GPRS, 2G
MODEM MD720; GSM/GPRS, 2G- MOBILE RADIO MODEM WITH
RS232- INTERFACE; FOR GSM- SERVICES CSD, GPRS, SMS;
QUADBAND-GSM; AT COMMAND INTERFACE; PLEASE NOTE
NATIONAL APPROVALS! AUTOM. GPRS CONNECTION; INCL.
GENDER CHANGER FOR RS232/PPI-ADAPTER;
Transmission rate
Transfer rate
● for GSM transmission 9600 bit/s
● for GPRS transmission / with downlink / 54 kbit/s
maximum
● for GPRS transmission / with uplink / maximum 42 kbit/s
Interfaces
Number of electrical connections
● for network components or terminal equipment 1
● for internal network 1
● for external network 1
● for external antenna(s) 1
● for power supply 1
Type of electrical connection
● for internal network 9 pin Sub D
● for external network SMA antenna socket (50 ohms)
● for external antenna(s) SMA antenna socket (50 ohms)
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● for power supply 4-pole terminal strip
WAN connection
Type of mobile network / is supported GSM
Type of mobile wireless service / is supported GPRS
Operating frequency / for GSM transmission 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
Type of GPRS time slot method / Multislot Class 10 Yes
Supply voltage, current consumption, power loss
Supply voltage / Rated value 24 V
Supply voltage / Rated value 12 ... 30
Type of voltage / of the supply voltage DC
Consumed current / maximum 355 mA
Active power loss
● typical 3.4 W
Permitted ambient conditions
Ambient temperature
● during operation -20 ... +60 °C
● during storage -25 ... +85 °C
Relative humidity / at 25 °C / during operation / 95 %
maximum
Protection class IP IP30
Design, dimensions and weight
Design compact
Depth 90 mm
Height 100 mm
Width 30 mm
Net weight 150 g
Mounting type
● 35 mm DIN rail mounting Yes
● wall mounting Yes
Product functions / management, configuration
Product function
● CLI No
● web-based management No
● MIB support No
Protocol / is supported
● Telnet No
● HTTP No
Type of configuration AT commands
Standards, specifications, approvals
Standard
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● for EMC EN 61000-6-2, EN 61000-6-4, EN 55022, EN 55024, EN 301 489-
1, EN 301 489-7
● for hazardous zone II 3 G Ex nA IIC T4 Gc
● for safety / from CSA and UL UL 60950
● for emitted interference EN 55022, EN 61000-6-4
● for interference immunity EN 55024, EN 61000-6-2
Certificate of suitability CE conformance declaration
● CE marking Yes
● Railway application in accordance with EN No
50155
Further Information / Internet Links
Internet-Link
● to website: Selector for cables and connectors http://www.siemens.com/snst
● to website: Selector SIMATIC NET http://www.siemens.com/snst
SELECTION TOOL
● to website: Mobile radio national approval www.siemens.de/mobilfunkzulassungen
● to website: Industrial communication http://www.siemens.com/simatic-net
● to website: Industry Mall https://mall.industry.siemens.com
● to website: Information and Download Center http://www.siemens.com/industry/infocenter
● to website: Image database http://automation.siemens.com/bilddb
● to website: CAx Download Manager http://www.siemens.com/cax
● to website: Industry Online Support https://support.industry.siemens.com
Security information
Security information Siemens provides products and solutions with industrial security
functions that support the secure operation of plants, solutions,
machines, equipment and/or networks. They are important
components in a holistic industrial security concept. With this in
mind, Siemens’ products and solutions undergo continuous
development. Siemens recommends strongly that you regularly
check for product updates. For the secure operation of Siemens
products and solutions, it is necessary to take suitable preventive
action (e.g. cell protection concept) and integrate each component
into a holistic, state-of-the-art industrial security concept. Third-
party products that may be in use should also be considered. For
more information about industrial security, visit
http://www.siemens.com/industrialsecurity. To stay informed about
product updates as they occur, sign up for a product-specific
newsletter. For more information, visit
http://support.automation.siemens.com. (V3.4)
last modified: 22.10.2015
6NH9720-3AA01-0XX0 Changes preserved
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