Series 3700 System Switch/Multimeter User's Manual
Section 9: Series 3700 Module Schematics and Connections
3700S-900-01 Rev. C / July 2008
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Figure 9-51: Sample Model 3740 connection log (2 of 2)
Model 3750 Multifunction I/O Card
The Model 3750 Multifunction I/O Card has 40 bidirectional digital I/O bits
arranged in five banks of eight bits each. Each bank can be configured as either
inputs or outputs. One bank of I/O is equivalent to one system channel.
The two analog outputs of the Model 3750 can be individually configured as
either voltage outputs (+/- 12 V) or as current outputs (0 mA to 20 mA or 4 mA to
20 mA).
Four 32-bit counters are provided with a maximum input range of 1 MHz. Each
counter has a gate input for control of event counting.