SBC PCD2 Series User Manual

Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
8-8
PCD2.W380 & PCD3.W380
PCD2/3.W380,8analogcongurableinputs
8
In voltage measurements, the input is “directly” connected to the ADC.
330k
4k7
220n
ADC
Eingang
Figure 5: Equivalent schematic of input in "voltage" mode
In “Diode” mode, the module measures voltages in an “active” way. The schematic
is the same as the mode for resistance measurements. The output values are
given in [mV]. This mode is useful for temperature sensors as LM235.
7k5
4k7
330k
10V
220n
ADC
Diode
(temp.
Sensor)
Input
Figure 6: Equivalent schematic of input in "diode" mode
8.1.5 Input values acquisition
The module is able to acquire and convert the each channel one by one, with a
totalcycletimeof680μs:
CH0 à CH1 à CH2 à CH3 à CH4 à CH5 à CH6 à CH7 à CH0 à ...
680 μs

SBC PCD2 Series Specifications

General

Brand	SBC
Model	PCD2 Series
Category	I/O Systems
Language	English