Electrical Power Standards
Rear-Panel Features
25
Table 4. Rear-Panel Features (cont.)
Number Meaning
E
Sample Ref Output Connector - The Sample Reference can be used to
synchronize sample measurements with the 6100B internal sample
clock. When activated the Sample Reference is provided at this
connecter. The Signal Reference is a falling edge active +5 V to 0 V
CMOS logic signal. The Sample Reference output can be enabled from
the Global Menu or via the GPIB. When the Sample Ref Output is
enabled, the output signal is held high until the next rising zero crossing
of the L1 voltage fundamental. The signal will then continue until
disabled.
F
Phase Reference Output Connector- has a +5 V CMOS logic drive
providing a rising edge synchronous to the rising zero crossing of the
L1 fundamental voltage. This signal has a 50 % duty.
G Air Filter - See the Users Manual for air filter maintenance procedure.
H Calibration Enable Switch
I IEEE 488 Connector - For connection into a GPIB system.
J
Ground Binding Post - Auxiliary protective earth/ground connection
stud.
K Fuse - See the Users Manual for fuse replacement procedure.
L Mains Power Receptacle - 16 A mains connector.
M
Energy Pulse Out connector (if fitted)- When the Energy option is fitted,
the Energy pulse output provides pulses proportional to output power.
See the Users Manual for a description of the Energy Option. Blanked
if the Energy option is not fitted.
N
Energy Gate In/Out connector (if fitted)- A bidirectional input or output
gate control used with the Energy option. See the Users Manual for a
description of the Energy Option. Blanked if the Energy option is not
fitted.
O
Reference Signal Output when CLK option is fitted.- TTL compatible
10 MHz or 20 MHz reference output signal derived from the system
master clock. Blanked if the CLK option is not fitted.
P
Auxiliary Control Input - Two Master units (6100B/6105A) can be
connected together to act as Master and Auxiliary. For example, the
interconnection cable would be plugged into the L2 Control output of
the Master and into the Auxiliary Control Input of the unit delegated to
be the Auxiliary.
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