ABB RELION SMU615 Technical Manual page 185

1MRS758407 C
Figure 120: 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
of phases setting in the three-phase measurement functions CMMXU and VMMXU.
The limit supervision boolean alarm and warning outputs can be blocked.
Table 204: Settings for limit value supervision
Function
Three-phase current measurement
(CMMXU)
Three-phase voltage measurement
(VMMXU)
Residual current measurement (RE-
SCMMXU)
Table continues on the next page
SMU615
Technical Manual
Settings for limit value supervision
A high limit
High limit
A low limit
Low limit
A high high limit
High-high limit
A low low limit
Low-low limit
V high limit
High limit
V low limit
Low limit
V high high limit
High-high limit
V low low limit
Low-low limit
A high limit res
High limit
-
Low limit
A Hi high limit res
High-high limit
-
Low-low limit
Measurement functions
Num
185