B&B Electronics TCDA Manuale Utente
6
Documentation Number TCDA0997 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Figure 3.1: TCDA Connections
NOTE: A 12VDC power supply must be connected to the TCDA’s
2.5mm power jack.
2.5mm power jack.
1. ------- denotes that pin is not used.
2. Pin 17 and 18 are internally connected to each other to provide
2. Pin 17 and 18 are internally connected to each other to provide
5VDC to REF+ for the SDAXX modules.
3. Pin 19 is internally connected to GND to provide 0VDC to REF-
for the SDAXX and SPDA modules.
provide +5V to REF+ in the
modules (AGND to AGND
Pin 17 and 18 are internally
connected in the TCDA to
connected in the TCDA to
XXXSDAXX and XXXSPDA
A/D ch.
A/D ch.
in the ADIO12 module).
REF-
REF+
+5VDC
P
o
w
e
r
S
u
p
p
ly
2
.5
m
m
P
o
w
e
r
Ja
ck
T
C
D
A
M
o
d
u
le
TC #1
19
GND
18
17
19
18
17
GND
7
TC #0
8
9
GND
1
GND
7
8
9
GND
1
Thermocouples
ye
llo
w
re
d
T1-
T1+
channel 1
re
d
ye
llo
w
T2-
T2+
channel 2
A
/D
M
o
d
u
le
RS-485
Port
RS-232
or
Table 3.1: Pinout of TCDA Module
Pin #
Function
Pin #
Function
1 GND 14 -------
2 ------- 15 -------
3 ------- 16 -------
4
2 ------- 15 -------
3 ------- 16 -------
4
-------
17
looped to pin 18
5
-------
18
looped to pin 17
6 ------- 19 GND
7 GND 20 -------
8
7 GND 20 -------
8
TC # 0
21
-------
9
TC # 1
22
-------
10 ------- 23 -------
11 ------- 24 -------
12 ------- 25 -------
13 -------
11 ------- 24 -------
12 ------- 25 -------
13 -------