We have a Applicom card PCI 1500PFB, S7-300 and Lookout.Digital values can be read from the inputs to PLC, but analogs values can't

[Greg Caesar]

I am not aware of any known problems interfacing to a S7-300 using a PCI 1500PFB card. For general configuration info for many different PLCs, start at www.ni.com and navigate to "Resource Library >> Lookout >> Communication". Their are two tutorial documents on the S7-300 in this location. Beyond that, I would need some more specific information on what happens when you try to read the analogs (problems making connections, any alarms, reads but the value does not match, etc).

Regards,
Greg Caesar
National Instruments,
Applications Engineer