ComAp IG-NT, Installation Manual

Page: 18 / 149

IGS-NT Installation Guide
18
The I-LBA (low battery adaptor) module is to be used when power supply voltage dip up to
200ms is required. The up to 100ms supply voltage dip is acceptable by IG-NT or IS-NT
controller itself.
IS-NT (IG-NT)
+
2
4
V
D
C
0
V
D
C
- +
Controller box shielding
4.2. Default configuration
C
AUTION
!
Use the default IG-MINT-Marine-2.3.ant (or higher) or IS-MINT-Marine-2.3.ant (or higher) to
avoid incorrect system setting and configuration.
Default configuration can be modified using the GenConfig-2.3 (or higher) PC tool. Please
take care of following items that are included in default configuration file:
The function "Virtual Peripheries" shall not be used for marine application.
An automatic start of the generator after acknowledgement of alarm shall be prevented
( Basic settings : FltResGoToMAN = ENABLED).
Common alarm contacts interfacing the machinery alarm system shall be re-triggered in
case of occurring new alarm" (BO5 = Alarm flashing).
4.2.1. Override function
The “Sd override” (Shut-down override) function is included in default configuration on Binary
input BI7. Active Override is indicated by a "
! " mark on the display and on Binary output BO4
Common SdOvr.
The default Override function blocks all protections except the Overspeed, Emergency stop
and all Analog or Binary protections configured as SD Override.
H
INT
It is strongly recommended to modify names of such values to begin or finish with letters
SDO
– e.g. WaterTemp SDO.
Use internal PLC function when the independent override protection e.g. for Bearing
temperature is required.