person who monitors and makes changes to the process

Note 1 to entry: This definition is copied from ISA 18.2/IEC 62682.

Note 2 to entry: “A Member of the operations team who is assigned to monitor and control a portion of the process and is working at the control system’s Console” as defined in EEMUA Publication 191. In this standard an Operator is a special user. All descriptions that apply to general users also apply to Operators.