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Model 5344S
Operation and Programming
3-138.
REMOTE PROGRAMMING VIA THE HP-IB INTERFACE
3-139.
Introduction
3-140.
The 5344S Source Synchronizer is compatible with the Hewlett-Packard Interface Bus
(HP-IB). Remote programming is installed as standard equipment and allows the 5344S to
respond to remote control instructions as described in the following paragraphs. The5344S also
has the capability to act as a system controller for use with HP-IB compatible sweep oscillators,
such as the 8350A Sweep Oscillator.
NOTE
HP-IB is Hewlett-Packard's implementation of IEEE Std. 488-1978,
"Standard Digital Interface for Programmable !nstrumentation',.
3-141.
The user must be familiar with the selected controller (9825A, 9826A, 9835A, 9845A, or
85A computers), the HP-IB, and the manual operation and functional capabilities of the 5344S.
3-142.
HP-IB MODES OF OPERATION
3-143.
There are two major modes of 5344S HP-IB operation:
1.
Programmable — Where the 5344S is connected to a controller (and possibly other devices)
via HP-IB and can be programmed remotely.
2.
System Controller — Where the 5344S is connected only to a HP 8350A Sweep Oscillator via
HP-IB and acts as a controller (this is called AUTO LOCK).
NOTE
The 5342A or 5343A counter used with the 5344A may also have
HP-IB capability (Option 011 installed). In general, the counter's
HP-IB interface is independent of the 5344A's, and may be
accessed normally to control the counter. The only difference
occurs when the 5344A is in Lock mode (MANUAL LOCK or
AUTO LOCK button lit), then the counter's HP-IB interface is
inactive. Attempting to send codes to, or read from the counter
will cause all bus activity to stop.
3
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144
.
When the 5344S is in the Programmable mode, the counter and 5344A would normally be
on the same HP-IB bus, controlled by the same remote controller. In System Controller mode
(Auto Lock), the 5344A is connected to the sweeper via the HP-IB, and the counter may be
connected to a remote controller on a separate bus.
3-145.
PROGRAMMABLE MODE
3-146.
Interface Functions Subset
3
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147
.
The capability of a device connected to the bus is specified by its interface function
subset. These functions provide the means for a device to receive, process, and send messages
over the bus.
Table 3-11
lists the 5344S interface functions using the terminology of the IEEE 488-
1978 standard. These functions are also listed on the rear panel (adjacent to the HP-IB connector)
as follows:
SHI, AH1, T2, L2, SRI, RL1, PPO, DC1, DTI, CO, El
3-56
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