Siemens plcai module collects what the

Siemens plcai module acquisition is an analog signal. Siemens acquisition of 8-way analog signals, each with an accuracy of 13 bits, that is, the analog signal can be converted to a 13-bit binary digital signal 24 two-wire pressure gauge, it is reasonable to 3 modules, but generally to reserve 30% of the number of points.