User's Manual

2 Documentation Number 232OPSDA1397 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
Figure 1.2: General Block Diagram
Packing List
Examine the shipping carton and the contents for physical
damage. The following items should be in the shipping carton:
1. 232OPSDA module
2. One 232OPSDA 3.5” disk
3. This instruction manual
If any of these items are missing or damaged, contact B&B
Electronics immediately.
Optical Isolation
A/D Converter
TB 3
TB 2
TB 1
A
n
a
l
o
g
I
n
p
u
t
s
TB 4
TB 5
TB 0
A/D 1
A/D 2
A/D 3
Signal
Conditioning
Circuitry
A/D 0
A/D 5
A/D 4
A
/
D
0
A
/
D
1
A
/
D
2
A
/
D
3
A
/
D
0
A
/
D
1
A
/
D
2
A
/
D
3
Terminal Blocks
D
i
g
i
t
a
l
I
/
O
TB 6
TB 7
Microprocessor
Digital Input
Digital Output
RD
RS-232
Tranceiver
Serial Port
DB-25S
TD