ABB RELION Series, Техническое руководство

Страница: 562 / 804

• 0: "normal"
• 1: "high"
• 2: "low"
• 3: "high-high"
• 4: "low-low"
The range information changes and the new values are reported.
GUID-AAAA7367-377C-4743-A2D0-8DD4941C585D V1 EN
Figure 292: Presentation of operating limits
The range information can also be decoded into boolean output signals on some of the
measuring functions and the number of phases required to exceed or undershoot the
limit before activating the outputs and can be set with the
Num of phases setting in the
three-phase measurement functions CMMXU and VMMXU. The limit supervision
boolean alarm and warning outputs can be blocked.
Table 564: Settings for limit value supervision
Function Settings for limit value supervision
Three-phase current measurement
(CMMXU)
High limit
A high limit
Low limit
A low limit
High-high limit A high high limit
Low-low limit
A low low limit
Three-phase voltage measurement
(VMMXU)
High limit
V high limit
Low limit V low limit
High-high limit
V high high limit
Low-low limit
V low low limit
Table continues on next page
Section 8
1MRS758755 A
Measurement functions
556 REC615 and RER615
Technical Manual