Samson 3730-3 - Notes on Possible Severe Personal Injury; Notes on Possible Personal Injury

SH 8384-3 EN 11
Required conditions
5 Required conditions
Risk of malfunction due to incorrect selection or wrong installation and operating conditions.
Only use control valves in safety-instrumented systems after the necessary conditions in the
plant have been fullled. The same applies to the mounted positioner.
Selection
Î The required transit times of the control valve are kept.
The transit times to be implemented are determined by the process engineering require-
ments.
The minimum OPEN and CLOSE transit times can be read in Codes 40 and 41 after the
positioner has been initialized.
Î The positioner is suitable for the prevailing ambient temperature.
Versions Temperature range
All –20 to +80 °C
With metal cable gland –45 to +80 °C
The limits in the test certicates additionally apply to explosion-protected versions.
Î The temperature limits are observed.
Mechanical and pneumatic installation
Î The positioner is mounted properly as described in the mounting and operating instruc-
tions and connected to the air supply.
Error codes 50 to 58 indicate incorrect attachment. For safety-instrumented systems, we
recommend assigning the 'Maintenance alarm' status to these errors to quickly recognize
them when they occur (indicated by
on the display).
Î The maximum supply pressure does not exceed 7bar.
Î The pneumatic air supply meets the instrument air specications.
WARNING
!
Tip
Tip