HP 6631B Controller Connections, HP-IB Interface, RS-232 Interface, Pin Input/Output Description

Models: 6631B 6633B 6634B 6632B

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3 - Installation

Controller Connections

The dc source connects to a controller either through an HP-IB or an RS-232 connector.

HP-IB Interface

Each dc source has its own HP-IB bus address, which can be set using the front panel Address key as described in chapter 5. HP-IB address data is stored in non-volatile memory. The dc source is shipped with its HP-IB address set to 5.

Dc sources may be connected to the HP-IB 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 controller 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 HP-IB cables available from Hewlett-Packard.)

Do not stack more than three connector blocks together on any HP-IB connector.

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

RS-232 Interface

The dc source has an RS-232 programming interface, which is activated by commands located in the front panel Address menu. All SCPI and COMPatibility commands are available through RS- 232 programming. When the RS-232 interface is selected, the HP-IB 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 3-5. 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

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HP 6631B, 6633B, 6632B, 6634B manual Controller Connections, HP-IB Interface, RS-232 Interface, Pin Input/Output Description

6631B, 6633B, 6634B, 6632B specifications

The HP 6632B, 6634B, 6612B, and 6633B are high-performance programmable power supplies that have gained prominence in various testing and measurement applications. These models are part of the HP 6000 series, which is renowned for its reliability and versatility in providing precision power supply solutions.

The HP 6632B offers a dual-output capability, delivering up to 32 volts and 3 amps per channel. It is designed for applications requiring stable and accurate voltage and current supplies. With features like overvoltage protection and short-circuit protection, it ensures the safety of both the device under test and the power supply itself. The programmable voltage and current settings allow operators to automate their testing procedures, increasing efficiency.

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