Product specifications
14  3BSE036351-510 A
Safety Summary
Personnel and Process Safety
A control system is a tool used to control various processes. Responsibility for 
attaining and maintaining a satisfactory level of safety rests with the personnel 
who engineer, operate and maintain the equipment. It is important to have an 
extensive knowledge of all control functions, the inherent safety risks that may 
be involved in the process, and to possess the imaginative ability to anticipate 
situations in which accidents may occur.
The following Safety Instructions must be observed:
• Take care when:
– fitting or removing units
– connecting or disconnecting cables
– resetting or switching units to manual operation
• For hazardous locations special restrictions apply, see Appendix E, 
Standards.
• Never connect the equipment to the mains power supply during installation 
work.
• Take extreme care when connecting the system to the mains power supply. 
Injury or death can be the result of incorrect procedures.
• Ensure that all personnel operating or maintaining the installation know the 
exact location of and how to operate the equipment isolating safety switch 
and the mains power supply isolating switch.
• When the process sub-sections have been checked and a test run has been 
performed, a person responsible must check the interlocking chains etc. All 
concerned personnel must be fully informed regarding test runs to be 
performed.
TAKE CARE AT ALL TIMES – This will prevent accidents from 
occurring and help protect valuable equipment.










