Measurement Computing AI-EXP48, User Manual

Page: 12 / 18

AI-EXP48 User's Guide Installing the AI-EXP48
12
Cabling
If the parent device has a 25-pin expansion connector, you can use the CA-96A cable to connect with the AI-
EXP48.
Figure 4. CA-96A cable
Information on signal connections
General information regarding signal connection and configuration is available in the Guide to Signal
Connections (available at www.mccdaq.com/signals/signals.pdf ).
Associating CJC channels with thermocouple channels
TC channels must immediately follow their associated CJC channels in the channel array. For accurate
thermocouple measurements, associate CJC channels with the TC channels as listed below.
CJC channels TC channels
CJC6 TC8 through TC11
CJC7 TC12 through TC15
CJC8 TC16 through TC19
CJC9 TC20 through TC23
CJC10 TC24 through TC27
CJC11 TC28 through TC31
When measuring thermocouples, the parent device must be configured for differential inputs.