Programmable AC Source 6460/6463/6490 User’s Manual
Table 1-2 The Description of the Rear Panel
1 Label
The label includes model number, series number of the AC
source and input ratings.
2 TTL I/O
The 9-pin, D-type male connector transfers the control
signals of trigger in, transient and AC ON.
3 Ext. Ref.
The BNC connector inputs control waveform amplitude from
external devices.
4 RS-232C
The 9-pin, D-type female connector transfers control
commands to and from the remote PC for remote operation.
5 GPIB Connector
A remote controller using GPIB bus is connected to the AC
source through this connector for remote operation.
6 Special I/O
The 25-pin, D-type male connector transfers control signals
(trigger and transient) and 3-phase, parallel operation
7 System I/O
Three BNC connectors are for 3-phase and parallel
connectivity.
This connector outputs power to the loading device.
9
Remote Sense
Connector
It senses directly at the terminals of the load to eliminate
any voltage drop on the connecting cable. Make sure of
connecting the terminal “L” of the remote sense connector
to the terminal “L” of the load, and the “N” to the “N” of the
load. Reverse polarity is not allowed.
10
Power line input is connected to the AC source through this
connector.
11 Cooling Fan
Its speed automatically increases or decreases as
temperature rises or falls.
It is to protect the user from being shocked.
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