LX Series Digital
Chapter 2, Amplifier Assembly Description,
Power Amplifier Assembly
Maintenance & Remote Control Connections
Volume 2, Rev. 1
2-15
Table 2-7: (Optional) Exciter Switcher Hard Wired Remote Interface Connections to TB1,
18 pos. Terminal Block are located on the Rear of the Exciter Switcher Tray Assembly.
Signal Name
Pin
Designations
Signal Type/Description
Select Automatic
Operation
TB1-1
0 = SET, NC = No Change
Select Manual Operation
TB1-2
0 = SET, NC = No Change
Select Exciter A (1)
TB1-3
0 = SET, NC = No Change
Select Exciter B (2)
TB1-4
0 = SET, NC = No Change
Selected Exciter to
Operate
TB1-5
0 = SET, NC = No Change
Selected Exciter to
Standby
TB1-6
0 = SET, NC = No Change
Selected Exciter Power
Raise
TB1-7
0 = SET, NC = No Change
Selected Exciter Power
Lower
TB1-8
0 = SET, NC = No Change
TB1-9
NOT USED IN THIS CONFIGURATION
TB1-10
NOT USED IN THIS CONFIGURATION
TB1-11
NOT USED IN THIS CONFIGURATION
Selected Operation
TB1-12
0 = Auto, Open = Manual
Selected Exciter
TB1-13
0 = A, Open = B
Selected Exciter Logged
Faults
TB1-14
0 = None, 1 = 1 or More
Selected Exciter Current
Errors
TB1-15
0 = None, 1 = 1 or More
Alternate Exciter Logged
Faults
TB1-16
0 = None, 1 = 1 or More
Alternate Exciter
Current Errors
TB1-17
0 = None, 1 = 1 or More
Ground TB1-18
Ground
NOTE:
In versions previous to 2.0, for the automatic switching to the back up exciter,
the Error, Fault, Log in the back up exciter must be cleared of all Previous Faults..
