3 - Installation

Dc sources may be connected to the GPIB interface in series configuration, star configuration, or a combination of the two, provided the following rules are observed:

♦The total number of devices including the GPIB interface card is no more than 15.

♦The total length of all cables used is no more than 2 meters times the number of devices connected together, up to a maximum of 20 meters. (Refer to table 2-2 for a list of GPIB cables available from Agilent Technologies.)

♦Do not stack more than three connector blocks together on any GPIB connector.

♦Make sure all connectors are fully seated and the lock screws are firmly finger-tightened.

RS-232 Interface

Agilent 66111A and 66311B/D dc sources have an RS-232 programming interface, which is activated by commands located in the front panel Address menu. All applicable SCPI and COMPatibility commands are available through RS-232 programming. When the RS-232 interface is selected, the GPIB interface is disabled.

The RS-232 connector is a DB-9, male connector. Adapters are available to connect the dc source to any computer or terminal with a properly configured DB-25 connector (see Table 2-2).

1 2 3 4 5

 

 

 

6 7 8 9

 

 

 

 

 

 

 

Figure 3-12. RS-232 Connector

Pin

Input/Output

Description

1

-

no connection

2

Input

Receive Data (RxD)

3

Output

Transmit Data (TxD)

4

Output

Data Terminal Ready (DTR)

5

Common

Signal ground

6

Input

Data Set Ready (DSR)

7

Output

Request to Send (RQS)

8

Input

Clear to Send (CTS)

9

-

no connection

44

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Image 44
Agilent Technologies 66311B, 66309B, 66111A manual RS-232 Interface, Pin Input/Output Description
Page 43 Page 45

66111A, 66309B, 66311B, D specifications

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