Gpib Control Connection - Keithley S46 Instruction Manual

2-8 Connections

GPIB control connection

The rear panel IEEE-488 (GPIB) control port is connected to the GPIB port of a computer
(controller) using a shielded IEEE-488 interface cable with metric mating screws.
2-5 shows the connector, while
Figure 2-5
GPIB control connector
Remember the following restrictions when attaching instruments to the GPIB:
If you cannot meet these requirements, the use of bus extenders is recommended.
CAUTION
Connectors may be stacked to allow a number of parallel connections to one instrument.
Two screws located on a standard connector maintain secure connections between
connectors.
NOTE
S46-901-01 Rev. C / January 2006
12
1
24 13
– A maximum separation of 4 meters between any two instruments on the bus.
– A maximum total cable length of 20 meters.
– No more than 15 devices on the bus.
– No two instruments having the same address.
IEEE-488 common is connected to digital common. Maximum voltage
between digital common and earth ground is 0V.
To minimize interference caused by electromagnetic radiation, use shielded
IEEE-488 cables such as the Keithley Instruments Model 7007.
S46/S46T Microwave Switch System Instruction Manual
Table 2-2 summarizes terminals.
Figure