Siemens Process Instruments Singapore

SIEMENS SITRANS Temperature Transmitters (Rail Mounting)

When directly connected in the 4 to 20 mA loop, the SITRANS TR devices operate without the need for an auxiliary power supply. They can be installed in junction boxes or in the control room close to the process, allowing centralized access to all connected measurement points.
On the other hand, the separate auxiliary power connection offers great flexibility for the SITRANS TW devices in terms of output signals. For instance, the SITRANS TW not only provides the commonly used 4 to 20 mA output signal but can also be configured for 0 – 20 mA and 0 – 10 V or 2 – 10 V via the HART protocol. This flexibility allows for versatile compatibility with various systems and requirements.
 

 


The SITRANS TR200 is a versatile transmitter that accommodates various sensors and offers straightforward setup and configuration through the transmitter-modem and SIPROM T software. Notably, it enables quick reading of the output current with a multimeter without interrupting the 4-20mA loop and includes a red/green LED for status indication. This device is well-suited for a wide range of sensors and can be programmed swiftly using the provided tools.

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The SITRANS TR300 with HART protocol is engineered to accommodate a wide range of sensors including thermocouples, resistance, and millivolt sensors. Its setup is quick and straightforward, facilitated by SIMATIC PDM or a handheld communicator. The device incorporates user-friendly features such as the ability to directly read the output current with a multimeter without disrupting the 4-20mA loop, and a red/green LED that provides technicians with clear status indication at a glance.

 

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SITRANS TR320 and TR420 rail transmitters combine perfect measurement and intelligence under all conditions. Reliability is guaranteed, for example, by the TR420's 2-fold sensor input including 4-wire sensor connection and hot backup: In the event of a sensor failure, the transmitter automatically switches to the second sensor, and the values ??continue to be recorded seamlessly and without loss.

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