T&R PCU1 Series, Operating And Maintenance Manual

Page: 11 / 48

11
UNIT
TYPE
ITEM FUNCTION
LT SP
A 
Secondary Injection Output
0-100A Secondary injection output
B
 
NLU metering connection
Metering/control connection to loading unit
C
 
Output circuit breaker
Protection for primary current output
D  
Loading unit power connector
Power supply to loading unit
E  
Metering range/output selection
switch
Selects between outputs on PCU1-SP
(primary/secondary injection) and metering
range (LT/SP)
F  
Mains input switch/circuit breaker
Supply isolation switch and protection
G  
Mains inlet connector
Mains supply connection
H  
Earth terminal
Connect to local earth.
I  
Fuse
Fuse for metering and control circuits
J  
RS232 connector
Serial connection for PC/printer connection
K
 
T&R link connector
Output to phase lock DVS3 mk2 to PCU1
L
 
Main output control
Sets output current
M  
Output on and off pushbuttons
Switch output on and off and indicate output
state
N  
Timer display
Display of timer value
O
 
Metering range display
Full scale of current metering range for
primary injection
P 
Auxiliary metering display
Display of selected auxiliary meter value
Q  
Current display
Output current
R 
Auxiliary metering inputs
Voltage and current input for auxiliary
metering circuit
S
 
Timer inputs and selector
Timer mode selection switch and contact
inputs
T 
Output trip
Secondary current injection circuit breaker