Red Lion Controls CSINV800Product Attribute Attribute Value Series CSINV8 Series Overview The Model CSTC, CSINI, and CSINV are 16 bit, 8 channel input modules designed for use with the Modular Controller Series. These modules provide a means of high density signal measurement for data acquisition applications. The CSTC module accepts a wide range of thermocouple types, while the CSINI and CSINV accept 0 4 20 mA and 10 V process signals, respectively. The modules connect and