General Information; Requirements For Special Applications; Automatic Reset - Siemens SIPROCESS GA700 Quick Start Manual

General information

3.1

Requirements for special applications

Due to the number or possible applications, this document does not include all detailed
information on the described device versions. This means not every possible scenario for
commissioning, operating, maintenance or operation in plants is taken into consideration.
Should you require additional information which is not included in these instructions, please
contact your local SIEMENS office or your SIEMENS partner.
Note
Operation under special ambient conditions
If you want to use the device under special ambient conditions, for example, in nuclear
power plants or for research and development purposes,
we recommend:
First contact your local SIEMENS partner or our application department. Explain the specific
application and clarify the operating conditions.
3.2

Automatic reset

All SIPROCESS GA700 devices feature internal monitoring. When this monitoring is
activated, the standard digital outputs switch after about 4 seconds for a period of approx. 60
seconds to "inactive", i.e. to a recognized safe operating mode. These times are valid for
devices manufactured as of 09/2017. You can find this information on the nameplate. It can
take up to 10 seconds for older devices to switch over, and up to 100 seconds to switch to
safe operating mode.
If you are using SIPROCESS GA700 devices in critical processes, observe the following
information:
● Monitor the limits externally via the control system.
● If an option module 2.1 is installed, read out the device status via the digital outputs of the
option module.
● Use an available manual measuring range switchover instead of the autoranging.
● Only use the "Total" parameter with the "Off" setting for the measuring range switchover.
● If you use the "Correction of cross-interference" and "External pressure compensation"
functions, store suitable substitute values.
● Only access the measured value via an analog output.
Quick Start
Compact Operating Instructions, 05/2018, A5E31805656-06
3
15