Generac Power Systems MGG155 Operating Manual page 47

Abbreviation
AI Analog Input
AO Analog Output
ATS Automatic Transfer Switch (switches load to supplied bus (by mains or generators)
AVR Automatic Voltage Regulator
BI Binary Input
BO Binary Output
BOC Breaker Open Cool-down - protection type (see application manual for details)
BTB Bus-Tie Breaker
CAN1 CAN bus for ComAp extension modules (e.g. IGS-PTM) and engine ECU connection
CAN2 CAN bus for communication between controllers and communication
modules connection (e.g. I-LB+)
COX Application for Complex Systems where actions are taken by a PLC and controller only follows
orders => needs an external driver (cox)
CT Current Transformer
ECU Engine Electronic Control Unit
ESF Engine Specific File
Forward Synchroni- Synchronisation of unloaded genset to mains (GCB closing process)
sation
FMI Failure Mode Identifier
GC Graphical Characters - option for additional support of one "graphical" language
GCB Generator Circuit Breaker
CHP Combined Heat Power - co-generation application, usually with gas engine
I-AOUT8 Extension module with 8 AO
I-CB Communication Bridge - interfaces IS, IG/IS-NT, ID controllers and non-standard engine ECU
IG-AVRi IG Automatic Voltage Regulator interface
IG-EE InteliGen for Electronic Engines (HW optimized for connection to an engine equipped with ECU)
IG-EEC InteliGen EE controller with extended communication possibilities + switchable sensing ranges of AC
voltages and currents
IG-IB IG-Internet Bridge - for internet/ethernet communication
IGL-RA15 Indication panel with LEDs signalizing state of 15 BO
IG-NT InteliGen New Technology genset controller
IG-NTC InteliGen NT controller with extended communication possibilities + switchable sensing ranges of AC
voltages and currents
IGS-NT-LSM+PMS Dongle for IG-XX and IS-NT to enable Load Sharing and VAr sharing control loops and PMS
IGS-PTM Extension module with 8 BI/BO, 4 AI and 1 AO
I-LB Local Bridge – for direct and modem monitoring and control of multiple gensets
35319 C
Table 7 - Digital Controller Alarm Abbreviations
MGG155/210 Operating Manual
Description
Troubleshooting
43