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Keithley 7711 User Manual Page 12

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4 x 4 Non-blocking matrix example
Using a Model 2750 and four Model 7711/7712 cards, a 4 × 4 non-blocking matrix can be created.
connect the 7711/7712 modules. This configuration provides a convenient way to simultaneously connect up to 4 DUTs to 4
different test instruments. Use a short coaxial cable to connect the OUTs of each module as shown. contains a couple of
sample commands to control the matrix.
To use , select the IN connection (IN 1 – IN 4), and then in the same square select the OUT connection (OUT1 - OUT4). Send
the ROUTe:MULTiple:CLOSe command with the channels in both "Ch" columns.
Table 3
4 × × × × 4 Sample non-blocking matrix commands
Command
ROUTe:MULTiple:CLOSe (@101,405)
ROUTe:MULTiple:CLOSe (@101,405,108,302)
Table 4
4 × × × × 4 Non-blocking matrix channels
8
IN
Ch
Ch
IN 1
101
405
102
401
103
305
104
301
IN
Ch
Ch
IN 2
105
406
106
402
107
306
108
302
Signal path
Routes signal from IN1(OUT A of slot 1) through
OUT4 (OUT B of slot 4).
Routes signal from IN1 (OUT A of slot 1) through
OUT4 (OUT B of slot 4), and also from IN2 (OUT B
of slot 1) through OUT1 (OUT A of slot 4).
OUT
IN
Ch
OUT4
IN 3
201
OUT3
202
OUT2
203
OUT1
204
OUT
IN
Ch
OUT4
IN 4
205
OUT3
206
OUT2
207
OUT1
208
Figure 5
shows how to
Ch
OUT
407
OUT4
403
OUT3
307
OUT2
303
OUT1
Ch
OUT
408
OUT4
404
OUT3
308
OUT2
304
OUT1

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