SBC PCD2.M5 Series - Page 170

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Analogue input modules
Input/output (I/O) modules
6-59
6
Connection concept for two-wire transducers
E1
E0
GND
PCD2.W310/340
0...20 mA
4...20 mA*
ρ
ϑ
24 VDC
Pressure
Tempera-
ture
Input filter
+
E2
*4...20 mA over user program
Two-wire transducers need a 24 VDC-supply in the measuring trunk.
Block diagram
E0
E1
E2
E3
E4
E5
E6
E7
GND
R
source
Voltage
Source
10.000V
Ref.
Voltage
2.500V
Input filter and amplifier
MUX
A
D
Data
I/O Bus
PCD Bus
+5V
GND
/IOOUIT
IODIN
/IOWRITE
IODOUT
I/MS0
IOA0
IOA1
IOA2
IOA3
W340, W350, W360 only
Programming
Classic: Programming examples for the PCD2.W3x0 can be found on the TCS
Supportsite(www.saia-support.com+gettingstarted).
xx7: Thermwarereadsinthevaluesaccordingtotheconguration(I/O
Builder)
● Watchdog: This module cannot be used on the base address 240, because it
would interact with the watchdog, and would cause a malfunction.
● Fordetails,pleaserefertothe"Watchdog"section,whichdescribesthecorrect
use of the watchdog in conjunction with PCD2 components.