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 t60°C
•
-25°C t85°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
