Series 3700A Switch and Control Cards Reference Manual
Section 2: Series 3700A cards general operation
3700AS-909-01 Rev. B / December 2011
2-5
Installed pseudocards
A pseudocard can be "installed" in any empty slot. With the 3720 pseudocard "installed," the
instrument operates as if a Model 3720 Thermocouple MUX card is installed in the slot. This allows
you to configure a scan and exercise its operation before the switching module is installed in the
Series 3700A. Use the following commands to install Series 3700A pseudocards in empty slots:
For no pseudocard selection (use to remove an existing pseudocard):
slot.PSEUDO_NONE or 0
Model 3720 for Dual 1x30 multiplexer card simulation:
slot.PSEUDO_3720 or 3720
Model 3721 for Dual 1x20 multiplexer card simulation:
slot.PSEUDO_3721 or 3721
Model 3722 for Dual 1x48 multiplexer card simulation:
slot.PSEUDO_3722 or 3722
Model 3723 Dual 1x30 reed multiplexer card simulation:
slot.PSEUDO_3723 or 3723
Model 3724 Dual 1x30 FET multiplexer card simulation:
slot.PSEUDO_3724 or 3724
Model 3730 6 x 16 high-density matrix card simulation:
slot.PSEUDO_3730 or 3730
Model 3740 32-channel isolated switch card:
slot.PSEUDO_3740 or 3740
Model 3750 multifunction I/O card simulation:
slot.PSEUDO_3750 or 3750
For example, to set the attribute to "install" the Model 3720 pseudocard in slot 6:
slot[6].pseudocard = slot.PSEUDO_3720
When queried, the return value has "Pseudo" before the card description. For example:
print(slot[3].idn)
→
3720,Pseudo Dual 1x30 Multiplexer,00.00a
NOTE
The revision level of a pseudocard is always returned as 00.00 a.
Query the slot[X] attributes to determine the capabilities of the installed switching modules. For
example, send the following query to determine if slot 1 supports common-side 4-wire
Ω
channels:
CommonSideOhms1 = slot[1].commonsideohms