Black Box - 488 Controller - Converter
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Equipment:
488 Controller
Date:
1997
Category:
Group:
Sub Group:
Information
The
488 Controller converts a host RS-232 or RS-422 computer
into an IEEE 488 bus talker, listener and
controller. The
488 Controller provides full IEEE 488-1978
bus implementation including advance
capabilities such as PASS CONTROL, RECEIVE CONTROL, PARALLEL
POLL, SERIAL POLL and
SECONDARY ADDRESSING. The device may be located several
hundred feet from the host and may
control as many as fourteen 488 bus instruments. In the
noncontroller mode the
488 Controller converts
the host into a bus peripheral for data processing and mass
storage.
The
488 Controller interprets simple high-level commands
sent from the computer’s serial port and
performs the necessary, and usually complex, bus control and
handshaking. The commands and protocol
are similar to those used by the Hewlett-Packard® HP-85
computer.
Additional features provide a transparent IEEE to serial
converter and a serial to IEEE pass-thru controller.
As a serial-to-IEEE-488 converter, the 488 Controller
receives data from a serial host, then automatically
performs the bus sequences necessary to send this data to
the IEEE 488 device. If desired, data can be
requested from the IEEE 488 device and returned to the host.
As an IEEE-488-to-serial converter, the
488 Controller is a
peripheral to an IEEE 488 controller. Data
received from the controller is sent to the serial device
and data received from the serial device is buffered
for transmission to the IEEE 488 controller. The 488
Controller can inform the host, by the serial poll-status
byte, that it has received data from the serial device.
User manual
Manual type:
User manual
Pages:
106
Size:
401.7 KB
Language:
english
Revision:
Manual-ID:
IC027AE-R2
Date:
January 1997
Quality:
Scanned document, all readable.
Upload date:
Aug. 16, 2017
MD5:
8d6bbd8c-630b-fc2b-672a-1baaa709f03f
Downloads:
435