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Task 27) Maintain/install/inspect communication control devices

a Define mod bus protocols
--Differentiate between RS232 and RS485 communication protocols
b Inspect transmitter operation
c Reset communications failure
d Refer to manufacturer's specifications
e Determine DC analog or digital

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 7

Task 28) Troubleshoot/test shut down devices

a Shut down switches that do not open or close
b Improperly set parameters
c Faulty controllers or transducers
d Faulty wiring

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 7

Task 29) Maintain/install/inspect battery chargers/maintainers

a Two modes of operation
--float
--equalize
b Alarm contacts
c Types of batteries
d Quantity of batteries
e Crank disconnect
f Required power source
g Replace fuses
h Replace or adjust
i Verify power supply
j Verify sensing
k Replace meters
l Terminate to starter or batteries
m Clean corrosion from terminals
n Difference between battery charger and battery maintainer

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 12

EGSA Apprentice Certification Program Study Guide - Page 28