Model 2700 Multimeter/Switch System User’s Manual Getting Started 1-9
Pseudocards
Using remote programming, you can assign a pseudocard to an empty switching module
slot. With a pseudocard installed, the Model 2700 will operate as if the switching module
is installed in the Model 2700. This feature allows you to configure your system without
having the actual switching module installed in the unit. There is a pseudocard for every
Keithley Model 77xx series switching module. For details, see
“Pseudocards,” page 2-5.
Model 7709 Model 7710
Models 7711
and 7712
2-pole Operation 8-channels 20 channels N/A
4-pole Operation 4 channel pairs 10 channel pairs N/A
1-pole Operation N/A N/A 8 channels
Measure Volts 300V maximum 60V maximum No
3
Measure Amps No No No
3
Measure Ohms 2/4-wire 2/4-wire No
3
Thermocouple
Cold Junction
No Yes No
3
Relay Type
1
Latching electro-
mechanical
Solid state opto-
coupled FET
High frequency
electromechanical
Connector type 1 female DB-50
1 female DB-25
3.5mm removable
screw terminals
10 SMA
Configuration
2
6 x 8 matrix Multiplexer Multiplexer
Unique features Rows 1 & 2 connect
to DMM (system
channel operation)
High-speed switch-
ing and long-life
relays
50Ω RF dual 1 x 4
multiplexer
Max Frequency:
7711: 2GHz
7712: 3.5GHz
1. Latching relays hold their open/close state after the mainframe is turned off. When turned on, all relays open after a few
seconds.
2. All multiplexers can be configured as two independent multiplexers.
3. The Models 7711 and 7712 have no measurement capabilities.
Table 1-1 (continued)
Model 77xx series switching modules
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