SBC PCD2.M5 Series - Page 164

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
6-53
6
Block diagram
INPUT FILTER
E0
E1
E2
E3
E4
E5
E6
E7
ANALOGUE INPUTS
MUX
A
D
BUSY (adr. 15)
DATA OUT
10 bits serial
A/D act. (addr. 15)
Clock
Channel address 0.. 7
I/O Bus
DATA
READ
WRITE
ADDR
PCD Bus
+5 V
GND
+24 V
Voltage
Source
10.000 V
7K5
GND
Ref.
Voltage
2.500 V
..W220 only
Watchdog: This module cannot be used on the base address 240, because it would
interact with the watchdog, and would cause a malfunction.
Programming examples for the PCD3.W2x0 can be found in a separate manual and on the
TCS Support site www.saia-support.com.
xx7andRIOs:thermwarereadsinthevaluesaccordingtotheconguration(I/OBuilderor
networkcongurator).
Watchdog: This module can interact with the watchdog, if it is used on base address 240. In
this case, the last input with address 255 cannot be used.
Fordetails,pleaserefertothe"Watchdog" section, which describes the correct use of the
watchdog in conjunction with PCD3 components.