Saia-Burgess
Controls Ltd.
Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Hardware
PCD3.W2x0
5-41
5
Connection concept for two-wire transducers
Two-wire transducers need a 24 VDC-supply in the measuring trunk.
Block diagram
Programming
Classic:
Programming examples
for the PCD3.W2x0 will be found on the TCS-Sup-
port page.
xx7 and RIOs: the firmware reads the values according to the configuration (I/O
Builder and Network configurator).
Watchdog: This module cannot be used on the base address 240 because it would
interact with the watchdog, which would cause malfunction.
Please refer to the
“Watchdog”
section for details on how to use the watchdog
correctly together with PCD3 components.
IN
P
U
T
F
IL
T
E
R
E0
E1
E2
E3
E4
E5
E6
E7
A
N
A
LO
G
U
E
IN
P
U
T
S
MUX
A
D
BUSY (addr. 15)
DATA OUT
10 bits serial
A/D act. (addr. 15)
Clock
Channel address 0.. 7
I/O
B
us
DATA
READ
WRITE
ADDR
P
C
D
-
B
us
+5 V
GND
+24 V
Voltage
Source
10.000 V
7K5
GND
Ref.
Voltage
2.500 V
..W220 only
E1
E0
GND
PCD3.W210
4...20 mA*
0...20 mA
�
�
24 VDC
Tempera-
ture
Speed
Input-
filter
+
E2
*4...20 mA via userprogram
