IC694MDL634 Description Description IC694MDL634 Emerson Input module 24 VDC 8 point POS/NEG logic. PACSystems RX3i PAC CONTROL AND IO Discrete Input I/O Related products GFK-0827 GFK-0731 IC200CASE03 GTB-SC-DI16 8423-TB-PG GTB-SK-DI16