Programmable AC/DC Electronic Load 63800 Series Operation & Programming Manual
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1.5.2 The Rear Panel
The Mainframe rear panel includes ports of RS-232C, System Bus, GPIB, I/O port, two BNC
connectors, a load input socket and an AC LINE socket.
Mainframe 63800.
Figure 1-3 The Rear Panel of the Electronic Load
Table 1-2 The Description of the Rear Panel
Item
Name
Description
7
TTL I/O
For system input/output control signal
8
System bus
For master/slave control system data communication
9
GPIB connector
A remote controller using GPIB bus is connected to the AC
load through this connector for remote operation.
10 RS-232C connector
The 9-pin, D-type female connector transfers control
commands to and from the remote PC for remote operation.
11 Voltage monitor output
Analog output proportional to voltage waveform.
12 Current monitor output
Analog output proportional to current waveform.
13 Load terminal & Voltage
sense terminal
Load terminal is connected to source or UUT for loading. In
addition, voltage sense terminal senses directly at the
terminals of the source to eliminate any voltage drop on the
connecting cable.
14 AC input connector
Power line input is connected to the AC source through this
connector.
15 AC input voltage switch It is for switching AC input voltage.
10
11
12
13
15
14
9
8
7
