Siemens SINAUT ST7 - Page 44

Introduction to the SINAUT ST7 system
1.5 Mobile wireless components
Station control system
44 System Manual, 07/2009, C79000-G8976-C178-07
MD720-3
Transmit output power
• 850 MHz
• 900 MHz
• 1800 MHz
• 1900 MHz
• Max. 2 W
• Max. 2 W
• Max. 1 W
• Max. 1 W
Power supply 12 - 30 V DC (24 V DC nominal)
Current consumption in send mode
• at 12 V DC
• at 24 V DC
Current consumption in receive mode
• at 12 V DC
• at 24 V DC
• I
n
: 430 mA
• I
n
: 140 mA
• 90 mA
• 50 mA
Power loss typically 5 W
max. 6.2 W
Permitted ambient conditions
• Operating temperature
• Transport/storage temperature
• Relative humidity
• -20°C through +60°C
• -25°C through +85°C
• Max. 95% at +25°C
Construction
• Design
• Materials
• Dimensions (W x H x D) in mm
• Weight
• DIN rail housing
• Plastic
• 22.5 x 99 x 114
• Approx. 150 g
Installation Snap onto 35 mm standard rail
Degree of protection IP40
Asynchronous character format 10 bits
Modem control over AT commands
Certifications and approvals
• CE
• R&TTE (GSM)
• EMV / ESD
• ATEX
• FM
• UL
• yes
• yes
• EN 55024, EN 55022 class A,
EN 61000-6-2
• II 3G Ex nA II T4 Ta,
(Ta = -20°C...+60°C)
KEMA 03 ATEX 1229 X
• CLI, DIV2, GP. A,B,C,D T4 Ta,
(Ta = -20°C...+60°C)
CLI, Zone 2 IIC, T4 Ta,
(Ta = -20°C...+60°C)
• E301826
National approvals You will find the latest information on the Internet
at http:/www.siemens.com/simatic-net/ik-info