MODEM MD720 (for S7-200/300 and ET 200S) . Технические данные . Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на MODEM MD720 (for S7-200/300 and ET 200S)

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MD720 modem

Order number		6NH9720-3AA01-0XX0
Product type designation		MODEM MD720 GSM/GPRS, 2G
Transmission rate
Transfer rate
? for GSM transmission		9 600 bit/s
? for GPRS transmission with downlink maximum		54 kbit/s
? 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)
? 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 at rated supply voltage maximum		355 mA
Power loss [W]
? 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 maximum		95 %
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
? 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

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