GAD624**S GAD624**S (GAD624--S) Analog Input Module, 4 channels, 1-5 Vdc / 4-20 mA, 12-bit $800.00 | GSP600*AS GSP600*AS (GSP600-AS) Blank empty module cover $50.00 | EX10-PRM11 EX10-PRM11 Program Storage Module, for EX100, M20, M40, EX250 & EX500 $490.00 |