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BETA Monitoring
Monitoring of Plants and Devices
Product overview
14/2
Siemens ET B1 · 10/2008
14
■
Overview
Devices
Page Field of application
Standards
Used in
Non-residential
buildings
Residential
buildings
Industry
5
TT7 1 GSM alarm modules
14/4
Mobile monitoring and switching of
plants worldwide per SMS for greater
safety and convenience. Plants can be
remotely switched and signals
received.
✓ ✓ ✓
5
TT3 46 fault signaling units
14/8
Evaluation and display of fault alarms
and alarm signals for monitoring
industrial plants and control systems.
With 4 inputs and connections for
39
expansion fault signaling units.
IEC 60255,
DIN VDE 0435-303
✓
--
✓
5
TT5 2 EMERGENCY-STOP modules
14/11
For EMERGENCY-STOP switching
in accordance with the
EC Machine Directive 98/37/EC. Safe
types of circuits for machines, plants or
test stations in industrial, commercial
and private enterprise applications.
According to the
EC Machine Directive
for machines
98/37/
EC, EN 954-1
✓
--
✓
5
TT3 435 level relays
14/15
Control of liquid levels in containers with
3
electrode connections for 1-step and
2-
step level control. High immunity to
interference of the measuring circuit
isolated from the system.
IEC 60255,
DIN VDE 0435
✓
--
✓
5
TT3 171 line circuit relays
14/18
For disconnecting the voltage or field
circuit of unused lines when loads are
disabled.
IEC 60255,
DIN VDE 0435
--
✓
--
7
LQ2 1, 5TT3 3 dusk switches
14/20
For demand-oriented switching of
lighting installations for shop windows
or paths in order to cut energy costs
EN 60730
✓ ✓
--
© Siemens AG 2008