Remote Operation
6. Remote Operation
6.1 General Information
The AC source can be remotely controlled through the GPIB or the RS-232C interface. It is
recommended that the timeout should not be less than one second. For RS-232C interface, only
the signals of TXD, RXD, RTS, and CTS can be used for data transfer through it. The signals
of CD, DTR, and DSR are shorted in the AC source. Interconnection between the IBM PC/AT
and the AC source is illustrated below.
IBM PC/AT AC SOURCE Pin Definition
PIN 1 ──────── 1 CD
*
2 ──────── 2 RXD
3 ──────── 3 TXD
4 ──────── 4 DTR
*
5 ──────── 5 SG
6 ──────── 6 DSR
*
7 ──────── 7 RTS
8 ──────── 8 CTS
9 ──────── 9 RI
*
*
These signals can be disconnected if not required.
6.2 The GPIB Capability of the AC Source
GPIB
Capability
Description Interface
Functions
Talker/Listener Commands and response messages can be sent and received
over the GPIB. Status information can be read through a serial
polling.
AH1, SH1, T6,
L4
Service
Request
The AC source will set the SRQ line true if there is a condition
of enabled service request.
SR1
Remote/Local The AC source powers up in local state. In local state, the
front panel are operative, and the AC source may respond to
RL1
6-1
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