Basler Electric BE1-700 - Manual (Page 94)

Element screen for Over/Under Frequency element, select Voltage Protection from the Screens pull-down
menu and select the INH/81/181/281/381/481/581 tab. Alternately, settings may be made using the S<g>-
<x>81 ASCII command or the HMI interface using Screens 5.x.12.1 through 5.x.12.6 where x equals the
setting group number.
Figure 4-33. Voltage Protection Screen, INH/81/181/281/381/481/581 Tab
Beside the Logic pull-down menu is a pull-down menu labeled Settings. The Settings menu is used to
select the setting group that the element's settings apply to.
Over/under frequency protection can be inhibited when the monitored voltage decreases below a user-
defined level. The undervoltage inhibit level is set through BESTCOMS. Alternately it can be set using the
S<g>-<x>81INH command where x equals nothing or one through five. Settings can also be made using
HMI Screen 5.x.12.7. The voltage inhibit setting unit of measure depends upon the VTP and VTX
connection settings. For 4-wire or PN connections, it is Sec VPN. For 3-wire or PP connections, it is Sec.
VPP.
Table 4-24 summarizes the operating settings for Over/Under Frequency Protection.
4-38 BE1-700 Protection and Control 9376700990 Rev M