Basler Electric DECS-400 - Manual (Page 100)

88 9369700990 Rev R
Protection
The Protection screen consists of five tabs: General Protection, 24 Volts/Hertz, Loss of Sensing, EDM,
and Relay Setup. Click the Protection button on the tool bar to view the Protection screen.
General Protection
General Protection tab settings are shown in Figure 54 and described in the following paragraphs.
Figure 54. Protection Screen, General Protection Tab
The General Protection tab has two setting groups: Primary and Secondary. The Primary and Secondary
buttons select between the protection settings used when the DECS-400 is functioning as the primary or
secondary DECS-400 in a redundant system.
Generator Overvoltage – Enable/Disable. The generator overvoltage pickup level and delay settings are
enabled and disabled by this setting.
Generator Overvoltage – Pickup Level. This setting configures the setpoint, in primary voltage, for
generator overvoltage protection. A setting of 0 to 575,000 Vac may be entered in 1 Vac increments.
Generator Overvoltage – Delay. This setting establishes the time delay for the generator overvoltage
protection function. A setting of 0.1 to 60.0 seconds may be entered in 0.1 second intervals.
Field Overvoltage – Enable/Disable. The field overvoltage pickup level and delay settings are enabled
and disabled by this setting.
Field Overvoltage – Pickup Level. This setting configures the setpoint for field overvoltage protection. A
setting of 1 to 2,000 Vdc may be entered in 1 Vdc increments.
Field Overvoltage – Delay. This setting establishes the time delay for the field overvoltage protection
function. A setting of 0.2 to 30.0 seconds may be entered in 0.1 second intervals.
Loss of Field Iso. Transducer – Enable/Disable. Loss of field isolation transducer protection is enabled
and disabled by this setting.
Loss of Field Iso. Transducer – Delay. This setting establishes the time delay for loss of field isolation
transducer protection. A setting of 0 to 9.9 seconds may be entered in 0.1 second increments.
BESTCOMS™ Software DECS-400